Biorefineries and Chemical Processes Design, Integration and Sustainability Analysis Jhuma Sadhukhan Kok Siew Ng Elias Martinez H. Biorefineries and Chemical Processes Biorefineries and Chemical Processes Design, Integration and Sustainability Analysis JHUMASADHUKHAN CentreforEnvironmentalStrategy,UniversityofSurrey,UK KOKSIEWNG CentreforProcessIntegration,UniversityofManchester,UK ELIASMARTINEZHERNANDEZ CentreforEnvironmentalStrategy,UniversityofSurrey,UK Thiseditionfirstpublished2014 ©2014JohnWiley&Sons,Ltd Registeredoffice JohnWiley&SonsLtd,TheAtrium,SouthernGate,Chichester,WestSussex,PO198SQ,UnitedKingdom Fordetailsofourglobaleditorialoffices,forcustomerservicesandforinformationabouthowtoapplyforpermissiontoreusethecopyrightmaterialin thisbookpleaseseeourwebsiteatwww.wiley.com. TherightoftheauthortobeidentifiedastheauthorofthisworkhasbeenassertedinaccordancewiththeCopyright,DesignsandPatentsAct1988. 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LibraryofCongressCataloging-in-PublicationData Sadhukhan,Jhuma,author. Biorefineriesandchemicalprocesses:design,integrationandsustainabilityanalysis/JhumaSadhukhan,KokSiewNg,EliasMartinezHernandez. pagescm Includesindex. ISBN978-1-119-99086-4(paperback) 1.Biomass–Refining.2.Biomasschemicals–Technologicalinnovations.3.Biomasschemicalsindustry.4.Biomassenergyindustries–Environmental aspects.I.Ng,KokSiew,author.II.Hernandez,EliasMartinez.III.Title. TP155.2.E58S342014 662′.88–dc23 2013049101 AcataloguerecordforthisbookisavailablefromtheBritishLibrary. ISBN:9781119990864 Setin9/11ptTimesbyAptaraInc.,NewDelhi,India Contents Preface xiii Acknowledgments xvii AbouttheAuthors xxi CompanionWebsite xxiii Nomenclature xxv I INTRODUCTION 1 1 Introduction 3 1.1 FundamentalsoftheBiorefineryConcept 3 1.1.1 BiorefineryPrinciples 3 1.1.2 BiorefineryTypesandDevelopment 4 1.2 BiorefineryFeaturesandNomenclature 5 1.3 BiorefineryFeedstock:Biomass 7 1.3.1 ChemicalNatureofBiorefineryFeedstocks 8 1.3.2 FeedstockCharacterization 10 1.4 ProcessesandPlatforms 12 1.5 BiorefineryProducts 15 1.6 OptimizationofPreprocessingandFractionationforBioBasedManufacturing 18 1.6.1 BackgroundofLignin 26 1.7 ElectrochemistryApplicationinBiorefineries 31 1.8 IntroductiontoEnergyandWaterSystems 34 1.9 EvaluatingBiorefineryPerformances 36 1.9.1 PerformanceIndicators 36 1.9.2 LifeCycleAnalysis 38 1.10 Chapters 38 1.11 Summary 38 References 39 II TOOLS 43 2 EconomicAnalysis 45 2.1 Introduction 45 2.2 GeneralEconomicConceptsandTerminology 46 2.2.1 CapitalCostandBatteryLimits 46 2.2.2 CostIndex 46 2.2.3 EconomiesofScale 47 2.2.4 OperatingCost 48 vi Contents 2.2.5 CashFlows 49 2.2.6 TimeValueofMoney 49 2.2.7 DiscountedCashFlowAnalysisandNetPresentValue 50 2.2.8 ProfitabilityAnalysis 52 2.2.9 LearningEffect 53 2.3 Methodology 54 2.3.1 CapitalCostEstimation 54 2.3.2 ProfitabilityAnalysis 55 2.4 CostEstimationandCorrelation 55 2.4.1 CapitalCost 55 2.4.2 OperatingCost 58 2.5 Summary 59 2.6 Exercises 60 References 61 3 HeatIntegrationandUtilitySystemDesign 63 3.1 Introduction 63 3.2 ProcessIntegration 64 3.3 AnalysisofHeatExchangerNetworkUsingPinchTechnology 65 3.3.1 DataExtraction 66 3.3.2 ConstructionofTemperature–EnthalpyProfiles 69 3.3.3 ApplicationoftheGraphicalApproachforEnergyRecovery 76 3.4 UtilitySystem 83 3.4.1 ComponentsinUtilitySystem 83 3.5 ConceptualDesignofHeatRecoverySystemforCogeneration 88 3.5.1 ConventionalApproach 88 3.5.2 HeuristicBasedApproach 88 3.6 Summary 91 References 91 4 LifeCycleAssessment 93 4.1 LifeCycleThinking 93 4.2 PolicyContext 96 4.3 LifeCycleAssessment(LCA) 96 4.4 LCA:GoalandScopeDefinition 100 4.5 LCA:InventoryAnalysis 104 4.6 LCA:ImpactAssessment 111 4.6.1 GlobalWarmingPotential 114 4.6.2 LandUse 115 4.6.3 ResourceUse 119 4.6.4 OzoneLayerDepletion 121 4.6.5 AcidificationPotential 123 4.6.6 PhotochemicalOxidantCreationPotential 126 4.6.7 AquaticEcotoxicity 127 4.6.8 EutrophicationPotential 127 4.6.9 Biodiversity 128 4.7 LCA:Interpretation 128 4.7.1 Stand-AloneLCA 128 4.7.2 AccountingLCA 129 4.7.3 ChangeOrientedLCA 129 4.7.4 AllocationMethod 129 Contents vii 4.8 LCIAMethods 130 4.9 FutureR&DNeeds 145 References 145 5 DataUncertaintyandMulticriteriaAnalyses 147 5.1 DataUncertaintyAnalysis 147 5.1.1 DominanceAnalysis 148 5.1.2 ContributionAnalysis 149 5.1.3 ScenarioAnalysis 151 5.1.4 SensitivityAnalysis 153 5.1.5 MonteCarloSimulation 154 5.2 MulticriteriaAnalysis 159 5.2.1 EconomicValueandEnvironmentalImpactAnalysisofBiorefinerySystems 160 5.2.2 SocioeconomicAnalysis 163 5.3 Summary 165 References 165 6 ValueAnalysis 167 6.1 ValueonProcessing(VOP)andCostofProduction(COP)ofProcessNetworkStreams 168 6.2 ValueAnalysisHeuristics 172 6.2.1 DiscountedCashFlowAnalysis 173 6.3 StreamEconomicProfile 175 6.4 ConceptofBoundaryandEvaluationofEconomicMarginofaProcessNetwork 175 6.5 StreamProfitabilityAnalysis 176 6.5.1 ValueAnalysistoDetermineNecessaryandSufficientConditionforStreamstobe ProfitableorNonprofitable 181 6.6 Summary 187 References 187 7 CombinedEconomicValueandEnvironmentalImpact(EVEI)Analysis 189 7.1 Introduction 189 7.2 EquivalencyBetweenEconomicandEnvironmentalImpactConcepts 190 7.3 EvaluationofStreams 196 7.4 EnvironmentalImpactProfile 200 7.5 ProductEconomicValueandEnvironmentalImpact(EVEI)Profile 201 7.6 Summary 204 References 205 8 Optimization 207 8.1 Introduction 207 8.2 LinearOptimization 208 8.2.1 Step1:RewritinginStandardLPFormat 210 8.2.2 Step2:InitializingtheSimplexMethod 211 8.2.3 Step3:ObtaininganInitialBasicSolution 212 8.2.4 Step4:DeterminingSimplexDirections 212 8.2.5 Step5:DeterminingtheMaximumStepSizebytheMinimumRatioRule 213 8.2.6 Step6:UpdatingtheBasicVariables 214 8.3 NonlinearOptimization 218 8.3.1 GradientBasedMethods 219 8.3.2 GeneralizedReducedGradient(GRG)Algorithm 226 viii Contents 8.4 MixedIntegerLinearorNonlinearOptimization 239 8.4.1 BranchandBoundMethod 240 8.5 StochasticMethod 243 8.5.1 GeneticAlgorithm(GA) 244 8.5.2 Non-dominatedSortingGeneticAlgorithm(NSGA)Optimization 246 8.5.3 GAinMATLAB 248 8.6 Summary 248 References 248 III PROCESSSYNTHESISANDDESIGN 251 9 GenericReactors:ThermochemicalProcessingofBiomass 253 9.1 Introduction 253 9.2 GeneralFeaturesofThermochemicalConversionProcesses 254 9.3 Combustion 257 9.4 Gasification 258 9.4.1 TheProcess 258 9.4.2 TypesofGasifier 260 9.4.3 DesignConsiderations 260 9.5 Pyrolysis 262 9.5.1 WhatisBio-Oil? 262 9.5.2 HowIsBio-OilObtainedfromBiomass? 264 9.5.3 HowFastPyrolysisWorks 265 9.6 Summary 270 Exercises 270 References 270 10 ReactionThermodynamics 271 10.1 Introduction 271 10.2 FundamentalsofDesignCalculation 272 10.2.1 HeatofCombustion 272 10.2.2 HigherandLowerHeatingValues 276 10.2.3 AdiabaticFlameTemperature 278 10.2.4 TheoreticalAir-to-FuelRatio 279 10.2.5 ColdGasEfficiency 280 10.2.6 HotGasEfficiency 281 10.2.7 EquivalenceRatio 281 10.2.8 CarbonConversion 282 10.2.9 HeatofReaction 282 10.3 ProcessDesign:SynthesisandModeling 282 10.3.1 CombustionModel 282 10.3.2 GasificationModel 283 10.3.3 PyrolysisModel 289 10.4 Summary 291 Exercises 291 References 292 11 ReactionandSeparationProcessSynthesis:ChemicalProductionfromBiomass 295 11.1 ChemicalsfromBiomass:AnOverview 296 11.2 BioreactorandKinetics 297