Table Of Content

Part Number: Aspen Plus® 11.1 September 2001 Copyright (c) 1981-2001 by Aspen Technology, Inc. All rights reserved. Aspen Plus®, Aspen Properties®, Aspen Engineering Suite, AspenTech®, ModelManager, the aspen leaf logo and Plantelligence are trademarks or registered trademarks of Aspen Technology, Inc., Cambridge, MA.   BATCHFRAC and RATEFRAC are trademarks of Koch Engineering Company, Inc. All other brand and product names are trademarks or registered trademarks of their respective companies. This manual is intended as a guide to using AspenTech’s software. This documentation contains AspenTech proprietary and confidential information and may not be disclosed, used, or copied without the prior consent of AspenTech or as set forth in the applicable license agreement. Users are solely responsible for the proper use of the software and the application of the results obtained. Although AspenTech has tested the software and reviewed the documentation, the sole warranty for the software may be found in the applicable license agreement between AspenTech and the user. ASPENTECH MAKES NO WARRANTY OR REPRESENTATION, EITHER EXPRESSED OR IMPLIED, WITH RESPECT TO THIS DOCUMENTATION, ITS QUALITY, PERFORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. Corporate Aspen Technology, Inc. Ten Canal Park Cambridge, MA 02141-2201 USA Phone: (1) (617) 949-1021 Toll Free: (1) (888) 996-7001 Fax: (1) (617) 949-1724 URL: http://www.aspentech.com Division Design, Simulation and Optimization Systems Aspen Technology, Inc. Ten Canal Park Cambridge, MA 02141-2201 USA Phone: (617) 949-1000 Fax: (617) 949-1030 Contents The User Interface 1-1 Overview..........................................................................................................................1-1 Connecting to the Aspen Plus Host Computer.................................................................1-1 The Aspen Plus Main Window.........................................................................................1-3 Aspen Plus Toolbars.............................................................................................1-4 The Process Flowsheet Window.......................................................................................1-5 The Model Library............................................................................................................1-5 Selecting a Unit Operation Model from the Model Library.................................1-5 Selecting the Stream Type from the Model Library.............................................1-6 The Data Browser.............................................................................................................1-7 The Parts of the Data Browser..............................................................................1-8 Displaying Forms and Sheets in the Data Browser..............................................1-8 Status Indicators...................................................................................................1-9 Using Next..........................................................................................................1-10 Using the Previous and Next Sheet Buttons.......................................................1-11 Using the Go Back and Go Forward Buttons.....................................................1-11 Using the Object Manager..............................................................................................1-12 Deleting Objects and Clearing Forms................................................................1-13 Using the Expert System When You Make Changes.....................................................1-13 Using Shortcut Keys.......................................................................................................1-14 General Shortcut Keys........................................................................................1-14 Shortcut Keys for Working with Blocks and Streams........................................1-14 Shortcut Keys for Editing...................................................................................1-15 Shortcut Keys for Working with Files................................................................1-15 Shortcut Keys for Working with Flowsheets.....................................................1-15 Shortcut Keys for Help.......................................................................................1-15 Shortcut Keys for Plotting..................................................................................1-16 Shortcut Keys for Working with Regions..........................................................1-16 Shortcut Keys for Running Simulations.............................................................1-16 Shortcut Keys for Viewing.................................................................................1-17 Supplying Comments.....................................................................................................1-17 Creating a Simulation Model 2-1 Overview..........................................................................................................................2-1 Aspen Plus 11.1 User Guide Contents • iii Process Simulation Using Aspen Plus..............................................................................2-1 Creating a New Run.........................................................................................................2-2 Starting Aspen Plus and Creating a New Run......................................................2-2 Creating a New Run in Aspen Plus......................................................................2-3 Selecting a Template........................................................................................................2-3 About the Built-In Templates...............................................................................2-3 Selecting a Run Type........................................................................................................2-4 Completing Input Specifications for a Run......................................................................2-6 Completion Status for the Flowsheet....................................................................2-7 Completion Status on Forms................................................................................2-7 About the Templates.........................................................................................................2-9 About the General Template.................................................................................2-9 About the Petroleum Template...........................................................................2-10 About the Gas Processing Template...................................................................2-13 About the Air Separation Template....................................................................2-14 About the Chemicals Template..........................................................................2-15 About the Electrolytes Template........................................................................2-16 About the Specialty Chemicals Template..........................................................2-17 About the Pharmaceuticals Template.................................................................2-18 About the Hydrometallurgy Template................................................................2-19 About the Pyrometallurgy Template..................................................................2-20 About the Solids Template.................................................................................2-20 Using the Online Applications Library..........................................................................2-22 Accessing the Online Applications Library........................................................2-22 Creating an Equation Oriented Problem.........................................................................2-23 Using Aspen Plus Help 3-1 Overview..........................................................................................................................3-1 Getting Help.....................................................................................................................3-1 Using the Back Button..........................................................................................3-2 Searching for Help on a Topic..........................................................................................3-2 Displaying Help on Dialog Boxes, Forms and Sheets......................................................3-2 Displaying Help on Screen Elements...............................................................................3-2 Getting Step by Step Help................................................................................................3-3 Getting Reference Information.........................................................................................3-3 Getting Printed Information..............................................................................................3-3 Printing Help.........................................................................................................3-3 Getting Printed Documentation............................................................................3-3 Linking to Aspen Tech Home Page..................................................................................3-4 Contacting Aspen Plus Technical Support.......................................................................3-4 Improving Help.................................................................................................................3-6 Defining the Flowsheet 4-1 Overview..........................................................................................................................4-1 Creating a Process Flowsheet...........................................................................................4-1 Mouse Pointer Shapes..........................................................................................4-2 iv • Contents Aspen Plus 11.1 User Guide Placing Blocks......................................................................................................4-2 Placing Streams and Connecting Blocks..............................................................4-4 Using Heat and Work Streams.........................................................................................4-7 Using PseudoProduct Streams..........................................................................................4-7 Viewing The Flowsheet....................................................................................................4-7 Adjusting the Zoom Level....................................................................................4-8 Using the Scrollbars..............................................................................................4-8 Using the Process Flowsheet Toolbar..................................................................4-9 Using the Data Browser to Find Blocks in a Large Flowsheet............................4-9 Using Bookmarks...............................................................................................4-10 Using Pan............................................................................................................4-10 Checking Flowsheet Completeness................................................................................4-10 Modifying the Flowsheet................................................................................................4-11 Changing Flowsheet Connectivity......................................................................4-11 Improving the Appearance of the Flowsheet......................................................4-13 About Flowsheet Sections..............................................................................................4-20 Creating a Flowsheet Section.............................................................................4-20 Specifying the Current Section...........................................................................4-21 Using the Section Toolbar..................................................................................4-21 Moving Blocks to a New Section.......................................................................4-21 Specifying the Stream Class for a Section..........................................................4-21 Viewing the Current Section..............................................................................4-22 Printing a Flowsheet...........................................................................................4-22 Global Information for Calculations 5-1 Overview..........................................................................................................................5-1 About Global Information................................................................................................5-1 Entering Global Specifications.........................................................................................5-2 Global Sheet.........................................................................................................5-2 Description Sheet..................................................................................................5-5 Accounting Sheet..................................................................................................5-6 Diagnostic Sheet...................................................................................................5-6 Setup Simulation Options.................................................................................................5-7 Calculations Sheet................................................................................................5-7 Flash Convergence Sheet....................................................................................5-12 System Sheet.......................................................................................................5-13 Limits Sheet........................................................................................................5-13 Units of Measure............................................................................................................5-13 Selecting Units of Measure.................................................................................5-14 Report Options................................................................................................................5-17 Customizing the Stream Report..........................................................................5-19 Specifying Components 6-1 Overview..........................................................................................................................6-1 Forms for Specifying Component Information................................................................6-2 About Databanks..............................................................................................................6-2 Aspen Plus 11.1 User Guide Contents • v Contents and Use of the Aspen Plus Databanks...................................................6-3 Specifying Components from a Databank........................................................................6-4 Specifying Non-Databank Components...........................................................................6-7 Using the User-Defined Component Wizard........................................................6-8 Adding a Component......................................................................................................6-15 Inserting a Component........................................................................................6-15 Renaming a Component.................................................................................................6-16 Deleting a Component....................................................................................................6-16 Reordering the Component List.....................................................................................6-16 Generating Electrolyte Components and Reactions.......................................................6-17 Generating the List of Components....................................................................6-17 Identifying Solid Components........................................................................................6-20 Conventional Solids............................................................................................6-20 Nonconventional Solids......................................................................................6-20 About Component Attributes.........................................................................................6-21 Assigning Attributes to Conventional Components...........................................6-21 Assigning Attributes to Nonconventional Components.....................................6-22 Specifying Supercritical (HENRY) Components...........................................................6-22 Defining a Set of Henry’s Components..............................................................6-23 Specifying UNIFAC Groups..........................................................................................6-24 Defining Component Groups..........................................................................................6-25 Defining a Component Group............................................................................6-25 Component Groups and Tear Stream Convergence...........................................6-26 Physical Property Methods 7-1 Overview..........................................................................................................................7-1 What Is a Property Method?.............................................................................................7-1 Creating New Property Methods......................................................................................7-2 Available Property Methods.............................................................................................7-2 Ideal Property Methods........................................................................................7-2 Equation of State Property Methods.....................................................................7-3 Activity Coefficient Property Methods................................................................7-3 Property Methods for Special Systems.................................................................7-5 Choosing a Property Method............................................................................................7-5 Recommended Property Methods for Different Applications..............................7-5 Guidelines for Choosing a Property Method......................................................7-10 Specifying the Global Property Method.............................................................7-11 Specifying a Property Method for a Flowsheet Section.....................................7-12 Specifying a Local Property Method..................................................................7-12 Defining Supercritical Components...............................................................................7-13 Using Free Water Calculations.......................................................................................7-14 Specifying Properties for the Free-Water Phase.................................................7-15 Special Method for K-Value of Water in the Organic Phase.............................7-15 Specifying Electrolyte Calculations...............................................................................7-16 Modifying Property Methods.........................................................................................7-17 Modifying a Built-in Property Method...............................................................7-17 vi • Contents Aspen Plus 11.1 User Guide Making Advanced Modifications to a Property Method....................................7-18 Property Methods for Nonconventional Components....................................................7-19 Nonconventional Property Models.....................................................................7-19 Specifying the Models for Nonconventional Components.................................7-20 Physical Property Parameters and Data 8-1 Overview..........................................................................................................................8-1 About Parameters and Data..............................................................................................8-1 Determining Property Parameter Requirements...............................................................8-2 Parameter Requirements for Mass and Energy Balance Simulations..................8-2 Parameter Requirements for Henry’s Law............................................................8-3 Parameter Requirements for Thermodynamic Reference State...........................8-3 Retrieving Parameters from Databanks............................................................................8-4 Retrieving Pure Component Parameters...............................................................8-4 Retrieving Equation-of-State Binary Parameters.................................................8-5 Retrieving Activity Coefficient Binary Parameters..............................................8-6 Retrieving Henry’s Law Constants.......................................................................8-7 Retrieving Electrolyte Binary and Pair Parameters..............................................8-7 Entering Property Parameters...........................................................................................8-7 Forms for Entering Property Parameters..............................................................8-8 How to Enter Property Parameters.......................................................................8-8 Entering Pure Component Constants....................................................................8-9 Entering Pure Component Correlation Parameters............................................8-10 Entering Parameters for Nonconventional Components....................................8-11 Entering Scalar Binary Parameters.....................................................................8-12 Entering Temperature-Dependent Binary Parameters........................................8-13 Entering Binary Parameters from DECHEMA..................................................8-14 Estimating Binary Parameters for Activity Coefficient Models........................8-16 Entering Electrolyte Pair Parameters..................................................................8-16 Entering Ternary Parameters..............................................................................8-17 Using Tabular Data and Polynomial Coefficients..........................................................8-20 Tabpoly Properties..............................................................................................8-20 How Aspen Plus Uses Your Tabular Data and Polynomial Coefficients...........8-21 Entering Tabular Data........................................................................................8-22 Entering Polynomial Coefficients for the General Polynomial Model..............8-24 Adjusting Reference States for Tabular Data and Polynomials.........................8-24 Adjusting Tabular Data or Polynomials for the Effect of Pressure....................8-26 Using Property Data Packages.......................................................................................8-27 Using a Data Package.........................................................................................8-27 Ammonia-Water Data Package..........................................................................8-27 Ethylene Data Package.......................................................................................8-27 Using Electrolyte Amines Data Packages..........................................................8-28 Flue Gas Treatment Data Package......................................................................8-29 Formaldehyde-Methanol-Water Data Package..................................................8-29 Glycol Dehydration Data Package.....................................................................8-30 Pitzer Data Packages..........................................................................................8-30 Aspen Plus 11.1 User Guide Contents • vii Methyl-amine Data Package...............................................................................8-31 Using Other Electrolyte Data Packages..............................................................8-31 Specifying Streams 9-1 Overview..........................................................................................................................9-1 Specifying Material Streams............................................................................................9-2 Entering Specifications for Streams.....................................................................9-2 Possible Stream Thermodynamic Condition Specifications................................9-3 Mass-Balance-Only Calculations.....................................................................................9-3 Entering Stream Composition..........................................................................................9-4 Using Standard Liquid Volume............................................................................9-4 Specifying Particle Size Distribution...............................................................................9-6 Specifying Component Attribute Values..........................................................................9-6 About Stream Property Analysis......................................................................................9-8 Stream Analysis Types.........................................................................................9-8 Analyzing Stream Properties............................................................................................9-9 Generating PT-Envelopes...............................................................................................9-12 Creating a PT-Envelope from a Stream..............................................................9-12 About Stream Classes.....................................................................................................9-15 Using Stream Classes.....................................................................................................9-15 Using Predefined Stream Classes.......................................................................9-16 Creating or Modifying Stream Classes...............................................................9-16 Specifying a Global Stream Class......................................................................9-17 Specifying Stream Classes for Flowsheet Sections............................................9-18 Specifying Stream Classes for Individual Streams.............................................9-18 Defining New Substreams..............................................................................................9-19 About Particle Size Distributions...................................................................................9-19 Changing Particle Size Distribution Intervals....................................................9-20 Creating New Particle Size Distributions...........................................................9-20 Specifying Heat Streams................................................................................................9-21 Working with Load Streams...........................................................................................9-21 Specifying Work Streams...............................................................................................9-22 Using PseudoProduct Streams........................................................................................9-24 About Stream Libraries..................................................................................................9-24 Accessing Stream Libraries................................................................................9-25 Unit Operation Models 10-1 Overview........................................................................................................................10-1 Choosing the Right Unit Operation Model.....................................................................10-1 Mixers and Splitters........................................................................................................10-3 Mixer..................................................................................................................10-3 FSplit..................................................................................................................10-3 SSplit..................................................................................................................10-3 Separators.......................................................................................................................10-4 Flash2..................................................................................................................10-4 Flash3..................................................................................................................10-5 viii • Contents Aspen Plus 11.1 User Guide Decanter..............................................................................................................10-5 Sep......................................................................................................................10-5 Sep2....................................................................................................................10-5 Heat Exchangers.............................................................................................................10-6 Heater..................................................................................................................10-6 HeatX..................................................................................................................10-6 MHeatX............................................................................................................10-10 HxFlux..............................................................................................................10-10 Hetran...............................................................................................................10-10 Aerotran............................................................................................................10-11 HTRI-Xist.........................................................................................................10-11 Columns........................................................................................................................10-12 DSTWU............................................................................................................10-12 Distl..................................................................................................................10-13 SCFrac..............................................................................................................10-13 RadFrac.............................................................................................................10-13 MultiFrac..........................................................................................................10-17 PetroFrac...........................................................................................................10-18 RateFrac............................................................................................................10-21 Batch Distillation - BatchFrac..........................................................................10-22 Extract...............................................................................................................10-22 Reactors........................................................................................................................10-23 RStoic...............................................................................................................10-23 RYield...............................................................................................................10-23 REquil...............................................................................................................10-23 RGibbs..............................................................................................................10-24 RCSTR.............................................................................................................10-24 RPlug................................................................................................................10-24 RBatch..............................................................................................................10-25 Pressure Changers.........................................................................................................10-25 Pump.................................................................................................................10-25 Compr...............................................................................................................10-25 MCompr...........................................................................................................10-25 Pipeline.............................................................................................................10-26 Pipe...................................................................................................................10-26 Valve.................................................................................................................10-26 Manipulators.................................................................................................................10-26 Mult..................................................................................................................10-26 Dupl..................................................................................................................10-26 ClChng..............................................................................................................10-26 Analyzer............................................................................................................10-26 Feedbl...............................................................................................................10-27 Selector.............................................................................................................10-27 Measurement....................................................................................................10-27 Solids............................................................................................................................10-27 Crystallizer........................................................................................................10-27 Aspen Plus 11.1 User Guide Contents • ix Crusher..............................................................................................................10-28 Screen...............................................................................................................10-28 FabFl.................................................................................................................10-28 Cyclone.............................................................................................................10-28 VScrub..............................................................................................................10-28 ESP...................................................................................................................10-28 HyCyc...............................................................................................................10-29 CFuge................................................................................................................10-29 Filter..................................................................................................................10-29 SWash...............................................................................................................10-29 CCD..................................................................................................................10-29 User Models..................................................................................................................10-29 Fortran and Excel Unit Operation Models.......................................................10-30 CAPE-OPEN COM Unit Operation Models....................................................10-30 Aspen Modeler Flowsheets..............................................................................10-31 User3.................................................................................................................10-34 Hierarchy......................................................................................................................10-34 Specifying Unit Operation Models...............................................................................10-34 Overriding Global Specifications for a Block..............................................................10-35 Requesting Heating/Cooling Curve Calculations.........................................................10-36 How to Request Heating/Cooling Curves........................................................10-36 Running Your Simulation 11-1 Overview........................................................................................................................11-1 Running the Simulation Interactively.............................................................................11-2 Commands for Controlling Simulations.............................................................11-3 Changing Interactive Simulation Speed.............................................................11-4 Reinitializing SM Simulation Calculations........................................................11-4 Reinitializing EO Simulation Calculations........................................................11-5 Viewing the Status of the Simulation.................................................................11-6 Checking the Status of Calculations...................................................................11-7 Checking the Simulation History.......................................................................11-7 Running the Simulation on the Aspen Plus Host Computer..........................................11-8 Communicating with a Remote Aspen Plus Host Computer.............................11-9 Running a Simulation Batch (Background)....................................................................11-9 Starting a Batch Run...........................................................................................11-9 Checking the Status of a Batch Run...................................................................11-9 Running Aspen Plus Standalone...................................................................................11-10 Editing the Input File for Standalone Runs......................................................11-10 Changing Run Settings and User Databanks................................................................11-12 Interactively Load Results................................................................................11-13 Animate Flowsheet...........................................................................................11-13 Allow Run Only When Input is Complete.......................................................11-13 Edit Keyword Input Data Before Starting Calculations...................................11-13 Copy Data Regression and Property Constant Estimation Results onto Property Parameter Forms...............................................................................................11-13 x • Contents Aspen Plus 11.1 User Guide

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Part Number: Aspen Plus® 11.1 September 2001 Copyright (c) 1981-2001 by Aspen Technology, Inc. All rights reserved. Aspen Plus®, Aspen Properties®, Aspen Engineering Suite, AspenTech®, ModelManager, the aspen leaf logo and Plantelligence are trademarks or registered trademarks of Aspen Technology, Inc., Cambridge, MA.   BATCHFRAC and RATEFRAC are trademarks of Koch Engineering Company, Inc. All other brand and product names are trademarks or registered trademarks of their respective companies. This manual is intended as a guide to using AspenTech’s software. This documentation contains AspenTech proprietary and confidential information and may not be disclosed, used, or copied without the prior consent of AspenTech or as set forth in the applicable license agreement. Users are solely responsible for the proper use of the software and the application of the results obtained. Although AspenTech has tested the software and reviewed the documentation, the sole warranty for the software may be found in the applicable license agreement between AspenTech and the user. ASPENTECH MAKES NO WARRANTY OR REPRESENTATION, EITHER EXPRESSED OR IMPLIED, WITH RESPECT TO THIS DOCUMENTATION, ITS QUALITY, PERFORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. Corporate Aspen Technology, Inc. Ten Canal Park Cambridge, MA 02141-2201 USA Phone: (1) (617) 949-1021 Toll Free: (1) (888) 996-7001 Fax: (1) (617) 949-1724 URL: http://www.aspentech.com Division Design, Simulation and Optimization Systems Aspen Technology, Inc. Ten Canal Park Cambridge, MA 02141-2201 USA Phone: (617) 949-1000 Fax: (617) 949-1030 Contents The User Interface 1-1 Overview..........................................................................................................................1-1 Connecting to the Aspen Plus Host Computer.................................................................1-1 The Aspen Plus Main Window.........................................................................................1-3 Aspen Plus Toolbars.............................................................................................1-4 The Process Flowsheet Window.......................................................................................1-5 The Model Library............................................................................................................1-5 Selecting a Unit Operation Model from the Model Library.................................1-5 Selecting the Stream Type from the Model Library.............................................1-6 The Data Browser.............................................................................................................1-7 The Parts of the Data Browser..............................................................................1-8 Displaying Forms and Sheets in the Data Browser..............................................1-8 Status Indicators...................................................................................................1-9 Using Next..........................................................................................................1-10 Using the Previous and Next Sheet Buttons.......................................................1-11 Using the Go Back and Go Forward Buttons.....................................................1-11 Using the Object Manager..............................................................................................1-12 Deleting Objects and Clearing Forms................................................................1-13 Using the Expert System When You Make Changes.....................................................1-13 Using Shortcut Keys.......................................................................................................1-14 General Shortcut Keys........................................................................................1-14 Shortcut Keys for Working with Blocks and Streams........................................1-14 Shortcut Keys for Editing...................................................................................1-15 Shortcut Keys for Working with Files................................................................1-15 Shortcut Keys for Working with Flowsheets.....................................................1-15 Shortcut Keys for Help.......................................................................................1-15 Shortcut Keys for Plotting..................................................................................1-16 Shortcut Keys for Working with Regions..........................................................1-16 Shortcut Keys for Running Simulations.............................................................1-16 Shortcut Keys for Viewing.................................................................................1-17 Supplying Comments.....................................................................................................1-17 Creating a Simulation Model 2-1 Overview..........................................................................................................................2-1 Aspen Plus 11.1 User Guide Contents • iii Process Simulation Using Aspen Plus..............................................................................2-1 Creating a New Run.........................................................................................................2-2 Starting Aspen Plus and Creating a New Run......................................................2-2 Creating a New Run in Aspen Plus......................................................................2-3 Selecting a Template........................................................................................................2-3 About the Built-In Templates...............................................................................2-3 Selecting a Run Type........................................................................................................2-4 Completing Input Specifications for a Run......................................................................2-6 Completion Status for the Flowsheet....................................................................2-7 Completion Status on Forms................................................................................2-7 About the Templates.........................................................................................................2-9 About the General Template.................................................................................2-9 About the Petroleum Template...........................................................................2-10 About the Gas Processing Template...................................................................2-13 About the Air Separation Template....................................................................2-14 About the Chemicals Template..........................................................................2-15 About the Electrolytes Template........................................................................2-16 About the Specialty Chemicals Template..........................................................2-17 About the Pharmaceuticals Template.................................................................2-18 About the Hydrometallurgy Template................................................................2-19 About the Pyrometallurgy Template..................................................................2-20 About the Solids Template.................................................................................2-20 Using the Online Applications Library..........................................................................2-22 Accessing the Online Applications Library........................................................2-22 Creating an Equation Oriented Problem.........................................................................2-23 Using Aspen Plus Help 3-1 Overview..........................................................................................................................3-1 Getting Help.....................................................................................................................3-1 Using the Back Button..........................................................................................3-2 Searching for Help on a Topic..........................................................................................3-2 Displaying Help on Dialog Boxes, Forms and Sheets......................................................3-2 Displaying Help on Screen Elements...............................................................................3-2 Getting Step by Step Help................................................................................................3-3 Getting Reference Information.........................................................................................3-3 Getting Printed Information..............................................................................................3-3 Printing Help.........................................................................................................3-3 Getting Printed Documentation............................................................................3-3 Linking to Aspen Tech Home Page..................................................................................3-4 Contacting Aspen Plus Technical Support.......................................................................3-4 Improving Help.................................................................................................................3-6 Defining the Flowsheet 4-1 Overview..........................................................................................................................4-1 Creating a Process Flowsheet...........................................................................................4-1 Mouse Pointer Shapes..........................................................................................4-2 iv • Contents Aspen Plus 11.1 User Guide Placing Blocks......................................................................................................4-2 Placing Streams and Connecting Blocks..............................................................4-4 Using Heat and Work Streams.........................................................................................4-7 Using PseudoProduct Streams..........................................................................................4-7 Viewing The Flowsheet....................................................................................................4-7 Adjusting the Zoom Level....................................................................................4-8 Using the Scrollbars..............................................................................................4-8 Using the Process Flowsheet Toolbar..................................................................4-9 Using the Data Browser to Find Blocks in a Large Flowsheet............................4-9 Using Bookmarks...............................................................................................4-10 Using Pan............................................................................................................4-10 Checking Flowsheet Completeness................................................................................4-10 Modifying the Flowsheet................................................................................................4-11 Changing Flowsheet Connectivity......................................................................4-11 Improving the Appearance of the Flowsheet......................................................4-13 About Flowsheet Sections..............................................................................................4-20 Creating a Flowsheet Section.............................................................................4-20 Specifying the Current Section...........................................................................4-21 Using the Section Toolbar..................................................................................4-21 Moving Blocks to a New Section.......................................................................4-21 Specifying the Stream Class for a Section..........................................................4-21 Viewing the Current Section..............................................................................4-22 Printing a Flowsheet...........................................................................................4-22 Global Information for Calculations 5-1 Overview..........................................................................................................................5-1 About Global Information................................................................................................5-1 Entering Global Specifications.........................................................................................5-2 Global Sheet.........................................................................................................5-2 Description Sheet..................................................................................................5-5 Accounting Sheet..................................................................................................5-6 Diagnostic Sheet...................................................................................................5-6 Setup Simulation Options.................................................................................................5-7 Calculations Sheet................................................................................................5-7 Flash Convergence Sheet....................................................................................5-12 System Sheet.......................................................................................................5-13 Limits Sheet........................................................................................................5-13 Units of Measure............................................................................................................5-13 Selecting Units of Measure.................................................................................5-14 Report Options................................................................................................................5-17 Customizing the Stream Report..........................................................................5-19 Specifying Components 6-1 Overview..........................................................................................................................6-1 Forms for Specifying Component Information................................................................6-2 About Databanks..............................................................................................................6-2 Aspen Plus 11.1 User Guide Contents • v Contents and Use of the Aspen Plus Databanks...................................................6-3 Specifying Components from a Databank........................................................................6-4 Specifying Non-Databank Components...........................................................................6-7 Using the User-Defined Component Wizard........................................................6-8 Adding a Component......................................................................................................6-15 Inserting a Component........................................................................................6-15 Renaming a Component.................................................................................................6-16 Deleting a Component....................................................................................................6-16 Reordering the Component List.....................................................................................6-16 Generating Electrolyte Components and Reactions.......................................................6-17 Generating the List of Components....................................................................6-17 Identifying Solid Components........................................................................................6-20 Conventional Solids............................................................................................6-20 Nonconventional Solids......................................................................................6-20 About Component Attributes.........................................................................................6-21 Assigning Attributes to Conventional Components...........................................6-21 Assigning Attributes to Nonconventional Components.....................................6-22 Specifying Supercritical (HENRY) Components...........................................................6-22 Defining a Set of Henry’s Components..............................................................6-23 Specifying UNIFAC Groups..........................................................................................6-24 Defining Component Groups..........................................................................................6-25 Defining a Component Group............................................................................6-25 Component Groups and Tear Stream Convergence...........................................6-26 Physical Property Methods 7-1 Overview..........................................................................................................................7-1 What Is a Property Method?.............................................................................................7-1 Creating New Property Methods......................................................................................7-2 Available Property Methods.............................................................................................7-2 Ideal Property Methods........................................................................................7-2 Equation of State Property Methods.....................................................................7-3 Activity Coefficient Property Methods................................................................7-3 Property Methods for Special Systems.................................................................7-5 Choosing a Property Method............................................................................................7-5 Recommended Property Methods for Different Applications..............................7-5 Guidelines for Choosing a Property Method......................................................7-10 Specifying the Global Property Method.............................................................7-11 Specifying a Property Method for a Flowsheet Section.....................................7-12 Specifying a Local Property Method..................................................................7-12 Defining Supercritical Components...............................................................................7-13 Using Free Water Calculations.......................................................................................7-14 Specifying Properties for the Free-Water Phase.................................................7-15 Special Method for K-Value of Water in the Organic Phase.............................7-15 Specifying Electrolyte Calculations...............................................................................7-16 Modifying Property Methods.........................................................................................7-17 Modifying a Built-in Property Method...............................................................7-17 vi • Contents Aspen Plus 11.1 User Guide Making Advanced Modifications to a Property Method....................................7-18 Property Methods for Nonconventional Components....................................................7-19 Nonconventional Property Models.....................................................................7-19 Specifying the Models for Nonconventional Components.................................7-20 Physical Property Parameters and Data 8-1 Overview..........................................................................................................................8-1 About Parameters and Data..............................................................................................8-1 Determining Property Parameter Requirements...............................................................8-2 Parameter Requirements for Mass and Energy Balance Simulations..................8-2 Parameter Requirements for Henry’s Law............................................................8-3 Parameter Requirements for Thermodynamic Reference State...........................8-3 Retrieving Parameters from Databanks............................................................................8-4 Retrieving Pure Component Parameters...............................................................8-4 Retrieving Equation-of-State Binary Parameters.................................................8-5 Retrieving Activity Coefficient Binary Parameters..............................................8-6 Retrieving Henry’s Law Constants.......................................................................8-7 Retrieving Electrolyte Binary and Pair Parameters..............................................8-7 Entering Property Parameters...........................................................................................8-7 Forms for Entering Property Parameters..............................................................8-8 How to Enter Property Parameters.......................................................................8-8 Entering Pure Component Constants....................................................................8-9 Entering Pure Component Correlation Parameters............................................8-10 Entering Parameters for Nonconventional Components....................................8-11 Entering Scalar Binary Parameters.....................................................................8-12 Entering Temperature-Dependent Binary Parameters........................................8-13 Entering Binary Parameters from DECHEMA..................................................8-14 Estimating Binary Parameters for Activity Coefficient Models........................8-16 Entering Electrolyte Pair Parameters..................................................................8-16 Entering Ternary Parameters..............................................................................8-17 Using Tabular Data and Polynomial Coefficients..........................................................8-20 Tabpoly Properties..............................................................................................8-20 How Aspen Plus Uses Your Tabular Data and Polynomial Coefficients...........8-21 Entering Tabular Data........................................................................................8-22 Entering Polynomial Coefficients for the General Polynomial Model..............8-24 Adjusting Reference States for Tabular Data and Polynomials.........................8-24 Adjusting Tabular Data or Polynomials for the Effect of Pressure....................8-26 Using Property Data Packages.......................................................................................8-27 Using a Data Package.........................................................................................8-27 Ammonia-Water Data Package..........................................................................8-27 Ethylene Data Package.......................................................................................8-27 Using Electrolyte Amines Data Packages..........................................................8-28 Flue Gas Treatment Data Package......................................................................8-29 Formaldehyde-Methanol-Water Data Package..................................................8-29 Glycol Dehydration Data Package.....................................................................8-30 Pitzer Data Packages..........................................................................................8-30 Aspen Plus 11.1 User Guide Contents • vii Methyl-amine Data Package...............................................................................8-31 Using Other Electrolyte Data Packages..............................................................8-31 Specifying Streams 9-1 Overview..........................................................................................................................9-1 Specifying Material Streams............................................................................................9-2 Entering Specifications for Streams.....................................................................9-2 Possible Stream Thermodynamic Condition Specifications................................9-3 Mass-Balance-Only Calculations.....................................................................................9-3 Entering Stream Composition..........................................................................................9-4 Using Standard Liquid Volume............................................................................9-4 Specifying Particle Size Distribution...............................................................................9-6 Specifying Component Attribute Values..........................................................................9-6 About Stream Property Analysis......................................................................................9-8 Stream Analysis Types.........................................................................................9-8 Analyzing Stream Properties............................................................................................9-9 Generating PT-Envelopes...............................................................................................9-12 Creating a PT-Envelope from a Stream..............................................................9-12 About Stream Classes.....................................................................................................9-15 Using Stream Classes.....................................................................................................9-15 Using Predefined Stream Classes.......................................................................9-16 Creating or Modifying Stream Classes...............................................................9-16 Specifying a Global Stream Class......................................................................9-17 Specifying Stream Classes for Flowsheet Sections............................................9-18 Specifying Stream Classes for Individual Streams.............................................9-18 Defining New Substreams..............................................................................................9-19 About Particle Size Distributions...................................................................................9-19 Changing Particle Size Distribution Intervals....................................................9-20 Creating New Particle Size Distributions...........................................................9-20 Specifying Heat Streams................................................................................................9-21 Working with Load Streams...........................................................................................9-21 Specifying Work Streams...............................................................................................9-22 Using PseudoProduct Streams........................................................................................9-24 About Stream Libraries..................................................................................................9-24 Accessing Stream Libraries................................................................................9-25 Unit Operation Models 10-1 Overview........................................................................................................................10-1 Choosing the Right Unit Operation Model.....................................................................10-1 Mixers and Splitters........................................................................................................10-3 Mixer..................................................................................................................10-3 FSplit..................................................................................................................10-3 SSplit..................................................................................................................10-3 Separators.......................................................................................................................10-4 Flash2..................................................................................................................10-4 Flash3..................................................................................................................10-5 viii • Contents Aspen Plus 11.1 User Guide Decanter..............................................................................................................10-5 Sep......................................................................................................................10-5 Sep2....................................................................................................................10-5 Heat Exchangers.............................................................................................................10-6 Heater..................................................................................................................10-6 HeatX..................................................................................................................10-6 MHeatX............................................................................................................10-10 HxFlux..............................................................................................................10-10 Hetran...............................................................................................................10-10 Aerotran............................................................................................................10-11 HTRI-Xist.........................................................................................................10-11 Columns........................................................................................................................10-12 DSTWU............................................................................................................10-12 Distl..................................................................................................................10-13 SCFrac..............................................................................................................10-13 RadFrac.............................................................................................................10-13 MultiFrac..........................................................................................................10-17 PetroFrac...........................................................................................................10-18 RateFrac............................................................................................................10-21 Batch Distillation - BatchFrac..........................................................................10-22 Extract...............................................................................................................10-22 Reactors........................................................................................................................10-23 RStoic...............................................................................................................10-23 RYield...............................................................................................................10-23 REquil...............................................................................................................10-23 RGibbs..............................................................................................................10-24 RCSTR.............................................................................................................10-24 RPlug................................................................................................................10-24 RBatch..............................................................................................................10-25 Pressure Changers.........................................................................................................10-25 Pump.................................................................................................................10-25 Compr...............................................................................................................10-25 MCompr...........................................................................................................10-25 Pipeline.............................................................................................................10-26 Pipe...................................................................................................................10-26 Valve.................................................................................................................10-26 Manipulators.................................................................................................................10-26 Mult..................................................................................................................10-26 Dupl..................................................................................................................10-26 ClChng..............................................................................................................10-26 Analyzer............................................................................................................10-26 Feedbl...............................................................................................................10-27 Selector.............................................................................................................10-27 Measurement....................................................................................................10-27 Solids............................................................................................................................10-27 Crystallizer........................................................................................................10-27 Aspen Plus 11.1 User Guide Contents • ix Crusher..............................................................................................................10-28 Screen...............................................................................................................10-28 FabFl.................................................................................................................10-28 Cyclone.............................................................................................................10-28 VScrub..............................................................................................................10-28 ESP...................................................................................................................10-28 HyCyc...............................................................................................................10-29 CFuge................................................................................................................10-29 Filter..................................................................................................................10-29 SWash...............................................................................................................10-29 CCD..................................................................................................................10-29 User Models..................................................................................................................10-29 Fortran and Excel Unit Operation Models.......................................................10-30 CAPE-OPEN COM Unit Operation Models....................................................10-30 Aspen Modeler Flowsheets..............................................................................10-31 User3.................................................................................................................10-34 Hierarchy......................................................................................................................10-34 Specifying Unit Operation Models...............................................................................10-34 Overriding Global Specifications for a Block..............................................................10-35 Requesting Heating/Cooling Curve Calculations.........................................................10-36 How to Request Heating/Cooling Curves........................................................10-36 Running Your Simulation 11-1 Overview........................................................................................................................11-1 Running the Simulation Interactively.............................................................................11-2 Commands for Controlling Simulations.............................................................11-3 Changing Interactive Simulation Speed.............................................................11-4 Reinitializing SM Simulation Calculations........................................................11-4 Reinitializing EO Simulation Calculations........................................................11-5 Viewing the Status of the Simulation.................................................................11-6 Checking the Status of Calculations...................................................................11-7 Checking the Simulation History.......................................................................11-7 Running the Simulation on the Aspen Plus Host Computer..........................................11-8 Communicating with a Remote Aspen Plus Host Computer.............................11-9 Running a Simulation Batch (Background)....................................................................11-9 Starting a Batch Run...........................................................................................11-9 Checking the Status of a Batch Run...................................................................11-9 Running Aspen Plus Standalone...................................................................................11-10 Editing the Input File for Standalone Runs......................................................11-10 Changing Run Settings and User Databanks................................................................11-12 Interactively Load Results................................................................................11-13 Animate Flowsheet...........................................................................................11-13 Allow Run Only When Input is Complete.......................................................11-13 Edit Keyword Input Data Before Starting Calculations...................................11-13 Copy Data Regression and Property Constant Estimation Results onto Property Parameter Forms...............................................................................................11-13 x • Contents Aspen Plus 11.1 User Guide

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