变压吸附空分制氧和CO分离在煤化工中的应用

CO,,,(,100871):(VPSA)10000m3/h,90%95%,01330135kWh/m3O2,,,2020000m3/h,CO(VPSA)CO,CO(9919%):;;;CO;:TQ53:A:0253-4320(2007)S2-0121-04OxygenSeparationfromAirandCOSeparationbyPSAZHANGJia2ping,TANGWei,GENGYun2feng,XIEYou2chang(CollegeofChemistryandPioneerCo.,PekingUniversity,Beijing100871,China)Abstract:TwonewtechnologiesaboutgasseparationbyPSAarereportedinthispaper.HighlyefficientadsorbentandVPSAtechnologyforlargescaleoxygenseparationfromair.Morethan20largescaleVPSA2O2unitshavebeenbuildinChinatosupplycheapoxygenformetallurgyandotherindustries.Theunitscanproduceoxygen10000m3/h.Withapurityof90%-95%,theenergycostof0133-0135kWh/m3O2.Anditisfastinstartingandstopping,andflexibleinoperation.ThecostislowwhentheO2demandisunder201000m3/handnotthehighpurity.HighlyefficientCOadsorbentandVPSAtechnologyforlargescaleCOseparation.TheCOadsorbentismadebymonolayerdispersionofCuClonazeolite.TheadsorbenthasveryhighcapacityandselectivityforCO,becausetheadsorbenthasagreatamountofCu+ionsonitssurface.Usingthisadsorbent,aVPSAprocesshasbeendevelopedandmorethantenlargescaleVPSA2COunitshavebeenbuildinChinatosupplyhighpurityCO(99%).Keywords:Adsorbent;PSA;O2separation;COseparation;Coalchemicalengineering:2007-09-30:(1966-),,,;,(1934-),,,,,,[e-mail]1,,,,,,,,,,,,,,90%95%(Ar),,(20%)(10min)(20000m3/h),12,,,,,,,,,12127(2)Nov.2007200711ModernChemicalIndustry,,,,,,2,1%,,95%1;2;3;4;5;6;7;81(VPSA)2070[1-2]CaACaA,(0131!)(0110!),Ca2+CaA,,CaA,N2,,1989C1C1Chao[3],(Si/Al1)XLiLSX,CaALi+,,LiLSXLi+CaACa2+,LiLSX,CaA1/41/5,,,LiLSX,,,CaALiLSX,XX,Li+1XNa+K+,NaKLSX,Na+K+Li+,98%Li+,,XNa+K+98%Li+98%,5,Li+613[4],3315,Li+,,1995,LiLSX19997,,,X,,100%,,[5-7]20007,PU-8CaA2,22mL/g,CaA23;CaA3;3PU-8,22LiLSXCaA(30)1PU-8;2P;3B3PU-8(25)22127(2),(VPSA)[7],,112m,6m10000m3/h,,93%95%,01330135kW/m3O2,(60%),,20,,,20064(VPSA)42,TDIMDI,,,20063650t,4000980t,1100,310t,,,,,,,[8],,,,,,,,80,[9-13],CO,80[14-15]Cu+,CuCl,[16-21],,,PU-1,CO5[18]PU-1COCH4N2H2,CO2,COCH4N2H2,CO25PU-1(25)PU-1CO,(VPSA)CO2002,CO,,COPU-1CO,CO1700m3,20032,CO:017018MPa,CO2321200711:CO,COPU-1VPSA(6),COPU-1,H2N2CH4,,,CO,,2,,,,,CO,,CO,CO,,,A,B,C,D;V1,V2,V3,V4,V5,V66VPSACO,,,CO30%N217%CO28%CH4212%O2014%,CO,99%,85%,CH4210-4,CO,N2CH4CO7COCO,11001200/t,71700m3/hCO111112/t,2006CO4600m3/h,CO,20031CO,,CO,10CO,310000m3,CO,2PU-1,,2005,,2006[1]RalphTYang.[M]//,.:,1991.[2]RaviKumar.Vacuumswingadsorptionprocessforoxygenproduction:Ahistoricalperspective[J].SeparationSciandTechnol,1996,31(7):877.[3]ChaoCC.US,4859217[P].1989;4964889[P].1990.[4]CoeCG,KirnerJF,PierantozziR,etal.US,5152813[P].1992.[5],,,.MAX[J].,2002,23(50):772.[6]JiangH,TangW,ZhangJP,etal.Studyontheadsorptionpropertiesoflithiumion2exchangelowsilicaXzeolite,Chang2HaLeeed.AdsorptionScienceandTechnology,147,WordScientific,2003.[7],,,.:[C]//,:,2005,981.(126)42127(2)60Co,,,[9]8-MOP(),511%,61122%212,,,,,,,,[9],,495nm[10]3,,pH,311,,Kim,12g/L,120h76g/L,55%,Mg2+K+2,,KH2PO4,,KH2PO4014g/L2216g/L,[5]312,[7],350r/min600r/min,1315g/L2914g/L[28],150r/min200r/min,12g/L22g/L313pHpHpH710,pH515,pH710515Lee[26](124)[8]GeosgeE.Haddeland,CarbonMonoxideRecovery,RIInternationalRe2port,No.123,1979.[9]BenkmannC.AdsorptiveCO2recoveryfromsteelworkwastegases[J].LindeReportsonScienceandTechnology,1988,44:8.[10]HiraiH,WadaK,KomiyamaM.Activecarbon2supportedcopper()chlorideascarbonmonoxidesolidadsorbent[J].ChemLetter,1983,261.[11],,,.:,CN1215627A[P].1995.[12]KazuoTajima,YoOsada.HighPurityCOGasRecoveryProcessbyPressureSwingAdsorptionMethod,NipponKokanTechnicalReport,O2verseasNo.50(1987).[13]GoldenTC,GuroDE,KratzWC,etal.APCIsCOVSA:Design,Scale2upandPlantPerformance,FrancisMeunierad.FundamentalsofAdsorption6,Elsevier,1998,695.[14],,,.[J].:B,1982,8:673.[15]XieYouchang,TangYougi.Spontaneousmonolayerdispersionofoxidesandsaltsontosurfacesofsupports:Applicationstoheterogeneouscataly2sis[J].AdvCatal,1990,37:1.[16],,,.:CN,86102838B[P].1986.[17]XieYC,BuNY,TangYQ,etal,AdsorbentsforUseintheSeparationofCarbonMonoxideand/orUnsaturatedHydrocarbonsfromMixedGases:US,4917711[P].1990;CanadaPatent,1304343[P].1992.[18]XieYC,YangG,QiuJG,etal.HighlyEfficientAdsorbentforSepara2tionofCarbonMonoxide[M]//MSuzukyFundamentalsofAdsorption.Tokyo:Kodensha,1993.737.[19]XieYC,ZhangJP,QiuJG,etal.ZeolitemodifiedbycuClforsepa2ratingCOfromgasmixturescontainingCO2[J].Adsorption,1996,3:27.[20],,,.CuCl/[J].,1997,7:115.[21]ZhangJP,PanXM,FuJP,etal.Solid/SolidAdsorptionandItsAp2plicationtoPreparationofAdsorbents,F.Meuniered.FundamentalsofAdsorption,1998,557.62127(2)