氨回收工艺方案的选择林璐璐

20162043334·239·(211100)[]ASPENPLUS5[][]TQ[]A[]1007-1865(2016)20-0239-03ProcessProjectSelectionforAmmoniaRecoveryLinLulu(SINOPECNanjingEngineering&ConstructionInc(SNEI),Nanjing211100,China)Abstract:Kakalinereactionproducesalotofexhaustgascontainingammoniainpesticidefactory.Theammoniacanberecoveredinawayofabsorptionbywaterandsteamstrippingdesorption.Thisarticleintroducestheprocessflowofammoniarecovery.TheASPENPLUSsoftwareisusedtosimulateandanalyzetheprocessofammoniarecovery.Inordertomakeexhaustgasmeetingemissionstandard,threesectionabsorptionmethodisapplied.Andtemperatureofdesaltedwateriscooledto5bybrineinthefirstabsorption.DesorptionofMPsteamdirectstripping,whichistheoptimalprocessproject,isdeterminedbycomparisonandanalysis.Keywords:ammoniaabsorptiondesorptionMPsteamstrippingprocess(22%NaOH92%IDAN)10%~15%ASPENPLUS12kt/a1500.06MPag550.5MPag352.2MPag210129401C1—C2—E1—E2—E3—E4—E5—T1—V1—P1—P2—P3—P4—1Fig.1ProcessFlowDiagramofMPsteamstrippingammoniarecovery[]2016-10-15[](1980-)201620·240·(3240)40(-15-5)5215%(wt%)5515099.5%(wt%)0.5%(wt%)2.10.3MPag98.7%2C1—C2—E1—E2—E3—E4—E5—E6—E7—T1—V1—V2—V3—P1—P2—P3—P4—2Fig.2ProcessFlowDiagramofLPsteamstrippingammoniarecovery2.1MPag99.8%4012508kW2.1MPag4886kg/h39088(8000h)39088×68/=265.8(2.1MPag68/[1])3965kW0.3MPag6716kg/h5372853728×60/=322.4(0.3MPag60/),121Tab.1ProcessparameterstableofmainstreamsinMPsteamstrippingconditions/50.020.440.0211.2217.375.9/bar1.61.219.519.522.020.01.01.00.00.01.00.0/(kmol·h-1)115.718.388.3453.1267.6175.6/(kg·h-1)2192.0523.61505.08163.44820.03163.4/(m3·h-1)1837.2368.02.610.4456.53.4/(Gcal·h-1)-1.50.0-1.4-29.3-15.1-11.8N20.1820.7570.001000O20.0550.2290.001000NH30.6860.0010.998000H2O0.0780.013011120162043334·241·2Tab.2ProcessparameterstableofmainstreamsinLPsteamstrippingconditions/50.018.240.0133.7143.860.2/bar1.61.23.03.04.03.01.01.01.00.01.00.0/(kmol·h-1)115.718.289.2452.3372.8174.7/(kg·h-1)2192.0522.51521.88147.66716.03147.6/(m3·h-1)1837.2364.0756.29.33151.53.3/(Gcal·h-1)-1.50.0-1.0-30.0-21.2-11.8N20.1820.7590.001000O20.0550.2290.001000NH30.6860.0010.987000H2O0.0780.0110.0111112.2313150ppm3Tab.3ProcessparameterstableofmainstreamsinMPsteamdirectstrippingconditions/50.05.640.0211217.3129.1/bar1.61.218.819.522.020.01.01.00.00.01.00.0/(kmol·h-1)115.718.088.3730.9277.5453.4/(kg·h-1)2192.0518.71505.513167.85000.08167.8/(m3·h-1)1837.2344.12.617.1473.59.4/(Gcal·h-1)-1.50.0-1.4-47.1-15.7-30.0N20.1820.7640.001000O20.0550.2310.001000NH30.68600.996000H2O0.0780.0050.0021113.3.14[1]Tab.4Mainequipmentlist[1]Φ800/1000X24638Q345R1Φ700/1000X26405Q345R,16Mn1Φ450X6000F=78.2m2Q345R1Φ300X3000F=14.2m2Q345R1Φ600X6000F=148.3m2Q345R2Φ500X6000F=90.8m2Q345R2Φ700X6000F=203.5m2Q345R2Q=30m3/hH=50m2Q=15m3/hH=280m0Cr18Ni92Q=10m3/hH=100m0Cr18Ni92Q=100m3/hH=32m2Φ9000X10000Q235-A2Φ1600X200013.2(1)5550.02MPag0.06MPag(2)602111.85MPag1.9MPag(3)2180m221112955150(4)401.85MPag4(1)(2)(243)20162043334·243·πTPP-NH22TPP1HNMR(CDCl3)Fig.21HNMRTPPspectrum(CDCl3)3004005006007008000.00.51.01.52.02.53.0651594557518417Q-bandB-bandAbsorptionWavelength/nm3TPP-NH2(CH2Cl20.2mg·mL-1)Fig.3UV-Visspectraofcis-TPP-(NH2)2inCH2Cl2solution(0.2mg·mL-1)2.4TPP-NH24δH=-2.73ppmNHH(d)3.97ppm7.03ppm7.73ppm8.21ppmTPP-NH24TPP-NH21HNMR(CDCl3)Fig.41HNMRspectraofTPP-NH2inCDCl33420nmB500~700nmQ3.5TPP-NH2[1]DoughertyTJGomerCJHendersonBWetalPhotodynamictherapy[J]JournaloftheNationalCancerInstitute199890(12)889-905[2]SchmookTBuddeKUlrichCetalSuccessfultreatmentofnephrogenicfibrosingdermopathyinakidneytransplantrecipientwithphotodynamictherapy[J]NephrologyDialysisTransplantation200520(1)220-222[3]AckroydRBrownNJDavisMFetalPhotodynamictherapyfordysplasticBarrett'soesophagusaprospectivedoubleblindrandomizedplacebocontrolledtrial[J]Gut200047(5)612-617[4]TardivoJPGiglioADPaschoalLHetalNewphotodynamictherapyprotocoltotreatAIDS-relatedKaposi'ssarcoma[J]PhotomedicineandLaserTherapy200624(4)528-531[5]FurreIEShahzidiSLuksieneZetalTargetingPBRbyhexaminolevulinate-mediatedphotodynamictherapyinducesapoptosisthroughtranslocationofapoptosis-inducingfactorinhumanleukemiacells[J]CancerResearch200565(23)11051-11060(238)[1][J]2010495[2][J]2013455[3]()2003[4][J]2004(3)[5]198446[6]200909[7]HansenRDFCCSlide-valveproblemcanberemediedOGJ198318139[8][J]200122(4)36-37[9][J]1987[10]HG/T20570.15-1999[11]42002[12]GB50474[13]Q/SY1399(241)(3)0.01%(4)ASPENPLUSPSRK(5)201011[1][J]201132(6)43-45[2][J]201235(12)33-35