ChE 182 Major #1 Acrylic Acid Process

21 Pages·1999·0.45 MB·English

ChE 182
Major #1
sseco rdPi ccAilyrcA
dnuorgkcaB
ehT tnalp ta hcihw uoy es re da ryeculyittolcnlyaeprfrm curedanuiaccma ni tinU 003 ybeht
cniotiytlaadtia xc.foeonelypor p t nyatliPcapa csi no eht redro fo 000 ,c0i5rte msnot rep raeyfo
.tcudorp- yeblbal asadsaecudo rdpi ccaite chat i,wdi ccailyrca
Acrylic Acid Production Reactions
:swoll o sfeanelypo rmpo rnfoitcudo rdpi ccailyr cra osfnoitca eerhT
3
C H + O fi C H O + H O
3 6 2 2 3 4 2 2 (1)
enelyporp cilyrca dica
5
C H + O fi C H O + OC + H O
3 6 2 2 2 4 2 2 2 (2)
enelyporp citeca dica
9
C H + O fi 3 OC + 3 H O (3)
3 6 2 2 2 2
:mr oe fhfe torsaciten inkoitca eerhT
Ø E ø
- r = A pxe - i p p
i i Œ œ enelyporp negyxo
º TR ß
erehw id n,aevo braebm unnoitca eer h sti
i E A
i i
lomk/lack m/lomk 3 ) ar Pohkt(caer 2
1 15,000 1.59 · 10 5
2 25,000 1.81 · 10 8
3 20,000 8.83 · 10 5
2
Process Description
m e odsnareiefflsyp oerhpT ega r.oktnat riA d essiser psmaoc a ecruos f o.negyxo maetSsi
desu o te dli avtmosrraeplhlt arbof c iemhrt ethateohxe .fnooitcae r ret fgAn i,edbexi mehtsdeef
retne eht .rotcaer rotcaeR tneulffe sdeecorp ot a hcneuq rewot )103-T( erehw eht noitcaersi
y,lddeihpcanre uoqt di o,rvneaohittr auhdftiixwo a lo occilyr cdai ceal c.ymcaeerrts lanoitiddA
yrevocer fo cilyrca dica dna citeca dica srucco ni na ,rebrosba .203-T ehT maerts gnivaeleht
noitprosba noitces si a ,etulid suoeuqa dica .erutxim tI neht sdeecorp ot na noitcartxe ,tinu-X
,103 hcihw sniatnoc dna rotcartxe dna a tnevlos yrevocer .rewot sihT tinu saw dengised dnasi
det a rrteec dpa.norputrno oCycobtc art xmEaertS 5ys1lnliaaut tnlrolicav fo e hctily rdciacadna
citeca dica def ot .103-X lan inFoitacifi rsurpucco ni ,303-T erehw 9.99 %elom cilyrca dicasi
decudorp sa eht mottob ,tcudorp dna 59 %elom citeca dica si decudorp sa eht pot .tcudorp ehT
cilyrc adic atcudorp si deloo croirp ot gnieb tnes ot .egarots ehT cilyr c eadriuctaadrleupomhest
.noitaziremyl ospuoenatno pdsio vorated rnCoi° 0d9eec xreeven
Short-Term Problem
eW evah neeb gnivah smelborp htiw .303-T nI eht ,tsap ew evah dah elbuort gniteemeht
citeca dica tcudorp-y by t,inrouiptacifi checpishw sah denethgit revo eht .sraey 303-T sahneeb
.sno idt e as ,hhcton n7s ciitIrg9u nsrfm ei9pcitai idds1i iMcroliretteetc odeephaecesghamutot
roirp ot eht launna tuhs ,nwod a yart gnidaol yduts fo eht rewot dewohs taht noitarepo tataht
emi tsa wy reesv o.lg cnoitdo olf s it hnnT aoteiamth a tnc ecoiyhift ttiidec riceducaplpasuotcon
eb desaercni rehtruf tuohtiw gnirewol eht cilyrca dica ,ytirup hcihw ,si fo ,esruoc ehterom
important product.
tI saw dediced ot egnahc eht ngised fo eht nmuloc gynbitti f3o0r3t-eTr htiwof ru wen.syart
ehT lanigiro ngised fo eht nmuloc dah ruof lanoitidda syart woleb eht ,deef tub esehterew
devomer ynam sraey ,oga eht nosaer rof gniod os won gnieb .nwonknu nehW siht saw ,enoda
wen deef elzzon saw dellatsni ruof syart evoba eht lanigiro deef ,elzzon tub eht lanigirodeef
elzzon saw tf e.ltcatni htiW e hntoitidd afo eht ruof wen syart dna eht nruter ot e hltanigidreoef
,elzzon eht rebmun fo syart evoba eht deef saw desaercni ot esaercni eht citeca dica.ytirup
sliateD fo eht nmuloc noitarepo roirp ot eht hcraM 7991 tuhs nwod dna eht snoitacifidom oteht
.x3idnep p nAdieliat eed rnaw otdu hes hgtnir uddetnemelp mnimuloc
nehW eht nmuloc saw thguorb no enil ni ylrae lirpA ,7991 eht citeca dica ytirup ,sawsa
,detcep xdeesaercni dna won yltnerruc si ylthgils ni ssecxe fo .noitacificeps ecniS ehtnmuloc
,tiforter emos lanoitidda segnahc ni ecnamrofrep fo tinU 003 evah neeb .devresbo ,tsriFeht
cilyrca dica ,spmup 403-P ,B/A evah deriuqer tnacifin g,iescnanetniam dna htob sgniraebdna
d iccialy r ec,ha)tF° 0sf0so1e c nxliel( e tp yosg rhnaeiv r,udd n.od ceegSn a doehsatbcrhellepmi
tcudorp sah deliaf ot teem sti rol o,cnoitacifice phscihw si retaw .etihw tseT selpmas morfeht
egarots knat wohs eht tcudorp ot eb ,yduolc dna siht sah desuac emos nrecnoc morf ruo
sremotsuc ohw eriuqer tcirts ecnerehda ot siht .noitacificeps stseT fo eht gnilooc retawmetsys
dewohs eht telni gnilooc retaw erutarepmet ot eb C°53 gnirud siht taeh .evaw tnerrucnoChtiw
cilyr cea hott nriotibih nsiret ehmci h,wpm ugpnirotin ormotibih nei h ntties p nusa amwelbo rspiht
3
deigcaa rkontast n i. nroeidtraoz isorsteemryplp outpsI dseiv etialhe tbssol fo r oethitbsiahwni
.si hfntooitamrifn oecriuq eetr wu,bnoitacifice prsol ofscos oe l hfetosu aecht
gi srsuaoY shmte i lsd w ,bee trnosvts oorurneeofip aeeg httsc smgetaisbnuz uiosyothltitasna
eht cilyrca dica ,tcudorp dna ot tseggus elbissop seidemer rof eseht .smelborp detsegguS
.nw otdu hrsehto ntauoht idwetnemelp m eoiebtl bedabluo hsseidemer
Long-Term Problem
l asnnorietcindo dcnAi eht tn aeldpulcn iemdhretes tad-engrancmonelid ro fcilyr cdaicadna
eht deen ot esae rnconiitcudo rsplevel .rehtruf A %02 esaercni ni cilyrca dica noitcudorp sieht
devor peoem vtbidalh u doknwcaenel tns tmiaoub lnoocitacifi r eu,hpttn e.sr eetrbAp mtuengrat
rsoa dhgn ne. i v dmktreo c ierrtaaswefnpi od evAtidc sleeenurbsooacce ryctniic aeyprnaoacfeb
w,oylticapac- h ef g esoairyhuhebtht rduefkceneltto bdeelbd uroec w eotht ateh pteo mhnoesvig
.) FwSo(lFar p,ugSnik cnampu lp ooecrrdusserp
nA esaercni ni noitcudorp yticapac si a mret-gnol laog taht lliw ylerus eriuqerlanoitidda
l a.tsieprauctidnepxe ehT hcneuq dna noitca rstnxoeitces era gn ideebtagitsevni yb rehtospuorg
dna ,proCotcartxE .ylevitcepser ruoY tnemngissa si ot etagitsevni tahw si deriuqer otesaercni
ytic afpoa creoh t tgcdna niepalrooool cyb ,.y %le0 lt2udaao lmcmye uuiihomftthiissnceiempS
lanoitidda tsoc ni eht rotcaer dna gnilooc pool ,103-R( ,103-E dna 103-P )B/A detaicossahtiw
elacs pu cilyrca dica fo noitcudorp yb .%02 fI ereht era lareves tsoc-wol ,sevitanretlaeht
.sisyla ncaimono ceetairporp p nagani sduerapm o ecdbluo hssevitanret lease h ftyotilibatiforp
Deliverables
A nettirw troper fo ruoy ,stluser na sisylana fo ruoyuser ,stl ruoy ,snoisulcnoc dnaruoy
snoitadnemmocer si deriuqer yb 00:9 ,ma ,yadnoM rebmevoN ,3 .7991 erehT lliw eb nalaro
noitatneserp fo ruoy stluser hcihw lliw eb deludehcs neewteb ,yadnoM rebmevoN ,3 7991dna
.wo lnee b vesirtgaro pl e adrnrneoatt ietrhuw tosblai a. t7e re9r,ed9o7b1Mme v,oyNadirF
Report Format
sihT troper dluohs eb .feirb tsoM fo eht troper dluohs eb na evitucexe ,yrammus tonot
de e,cdxeec ad0pe1sp -y,,etssle nbg souaheiopcztdii adhr ,dnwarsnamuiemosmuyomsnogcaeird
.elanoitar serugiF dna selbat yam eb dedulcn iod( ton tnu otcsniag aegap )timil ni ehetvitucexe
.yrammus nA xidneppa dluohs eb dehcatta hcihw sedulcni smeti hcus sa eht detseuqer
edbluo htsnemeta tystilaitnedifn oe.c hwToll o ofyts a eedbluo hssnoitalucl aecs e. hsTnoitaluclac
e hyt rte sveagla pfo. terhotper
ehT nettirw troper si a yrev tnatropmi trap fo eht .tnemngissa ylrooP nettirw ro/dna
dezinagro nettirw stroper lliw eriuqer .gnitirw-er eB erus ot wollof eht tamrof deniltuo nieht
.etir w r -soaedfrnu oler lbgtiawm rdoefbircs e erwhpotl leoortf u.ls itarFo pneertt i rreowdfiug
4
Oral Presentation
uoY lliw eb detcepxe ot tneserp dna dnefed ruoy stluser ot ss’e TvtSinteamtengeasnearmper
emos emit neewteb rebmevoN 3 dna rebmevoN ,7 .7991 ruoY noitatneserp dluohs eb02-51
,setunim dewollof yb tuoba a 03 etunim noitseuq dna rewsna .doirep ekaM niatrec tahtuoy
era p o.edstrllnp uaeuomohnYsg i t rstrfusn aooaaep y tct grnis noiinips atm seierierohmaftperp
.trop erru ofgyoninnig ee bhtndtaiedn aeoshbteicnerapsna rrtu ofyyop odcr aah
Late Reports
:ylp plal isweitlan eeprev egsniwoll oef h.Telbatpecca neu rsatrop eertaL
• late report on due date before noon: one letter grade
• late report after noon on due date: two letter grades
• et atlrope reno yad :etal ee rrhettsteedlarg
• eda rggnil i: aeft ayl aed nnoa hetrom
5
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erugiF ,1 no eht txen ,egap si a teehswolf fo tinU 003 sa ti saw .dengised ehT maertselbat
, ss h ne, cgsoihninwifcghiotiiiwtlithsaldnwe ronedsefodapcio raf sa ew , wtocneklf eerhtlautca
s ngo niritotiiadrrnpeo pcoot eht tuhs.nwod

7
el bwa oTml aFe:el1 rbtaST
Stream No. 1 2 3 4 5 6 7 8 9
Temperature (°C) 25 159 25 191 250 310 63 40 40
Pressure (bar) 1.0 6.0 11.5 4.3 3.0 3.5 2.0 2.4 1
Vapor Fraction 1.0 1.0 1.0 1.0 0.0 1.0 0.0 0.0 0.0
ssaM wolF )h/ennot( 39.05 17.88 5.34 62.27 1070.0 62.27 3.08 1895. 37.89
)h /wl ooe lmlFko(M 1362.9 992.3 127.0 2482.2 - 2444.0 148.5 85200.0 1342.9
w oel lFtonMenopmoC Molten salt
(kmol/h)
enelyporP - - 127.0 127.0 - 14.7 - - 14.7
Nitrogen 1056.7 - - 1056.7 - 1056.7 - - 1056.7
negyxO 280.9 - - 280.9 - 51.9 - - 51.9
endoibxroaiCD - - - - - 60.5 - - 60.5
Water 25.3 992.3 - 1017.6 - 1165.9 140.9 78870 150.1
d icciAtecA - - - - - 6.54 0.65 415 1.11
d icciAlyrcA - - - - - 87.79 6.99 5915 7.97
8
)edle bu:an1Ti tme wnalooeblcraF(tTS
Stream No. 10 11 12 13 14 15 16 17 18
Temperature (°C) 50 48 25 102 90 47 47 40
Pressure (bar) 2.4 1.0 5.0 1.10 0.19 .07 1.1 2.5
Vapor Fraction 0.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0
ssaM )who/leFnnot( 1922.5 37.35 2.54 20.84 6.63 11.59 0.37 6.26
)h/lo mw koe(llFoM 86449.6 1335.4 141.0 1156.43 93.19 199.66 6.34 86.85
w oel lFtonMenopmoC
(kmol/h)
enelyporP - 14.7 - - - - - -
Nitrogen - 1056.7 - - - - - -
negyxO - 51.9 - - - - - -
endoibxroaiCD - 60.5 - - - - - -
Water 80026.7 150.2 141.0 1156.4 0.30 9.45 0.30 -
d icciAtecA 421.1 0.46 - 0.03 6.08 189.9 6.03 0.05
d icciAlyrcA 6001.8 0.98 - - 86.81 0.31 0.01 86. 80
9
Table 2: Utility Summary
em amNaertS cw to E-301 cw to E-302 lps to E-303 * cw to E-304 cw to E-305
Cp°meT 32 32 160 32 32
erus serraPb 4.00 4.00 10.00 4.00 4.00
0ne1itarwolF 3 h/gk 1,995 1,923 2.190 235.4 16.70
* dreetg ant eaadhherc lexdtpentuaosrehdt
10
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Cost Information
Raw Materials
)eda rrgemylo pe(nelyporP eeS rge ntliratocepikemrReahMC
Products
cilyrcA dic A eeS rge ntliratocepikemrReahMC
dic AcitecA eeS rge ntliratocepikemrReahMC
Utility Costs
4e.l3 beaeTS
Equipment Costs and Cost Factor
TSOC PeAsCU