©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,150090,E2mail:qipeishi@sina.com):,,(MWCO),MWCO1kDa90%10%,.450120MPa10L/s,.,NaOHEDTA,87%.:;;;;:X703:A:0367-6234(2005)08-1138-04SoyproteinwastewatertreatmentandresourcereclamationwithultrafiltrationQIPei2shi,LUSi2hao(SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China,E2mail:qipeishi@sina.com)Abstract:Thispilotstudyoninvestigatingthesoyproteinwastewatertreatmentandresourcereclamationwithultrafiltrationinvolvedthepretreatmentstrategies,effectofmembranemolecularweightcutoff(MWCO)andoperatingparametersaswellasmembranecleaningtechnology.ApolysulphoneUFmembranewithMWCO10kDawasselectedinthatitsproteinandoligosaccharidesretainratioswerearound90%and10%respectively.Temperature45,TMP012MPa,feedvelocity10L/sandpH415wererecommendedforensuringthelongtermUFprocessatarelativelyhigherpermeateflux.AstoresumingthefluxofUFafterfouling,thecombina2tionofNaOHandEDTAwasprovedtobeanidealagentuponitsfluxrecoveryrateof87%.Keywords:ultrafiltration(UF);soyproteinwastewater;protein;oligosaccharides;resourcereclamation:2003-12-30.:(1955-),,,.,BOD550008000mg/L,COD1800020000mg/L,.,,[1],,.,,.,.,COD800010000mg/L,,COD100mg/L[2],,.,[36],.,,,(MWCO)pH(TMP),.11111.90cm©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(100),90min,,,;,5.,,,.113:;:-;:HPLC(Waters-244;:Bondapak-Cu;:80;:,1mL/min;:;:8).COD:;:;pH.2211,.:100,(90min)(015m).1,,91143%,COD27%,10%.(2),,,,.131500156011901410130015201170138COD(mg/L)pH111701631774912415211050157129451041472(MWCO,10kDa,,45;pH,70;,10L/s;TMP,0.20MPa)212MWCO35,,,,.MWCO6kDa(SP),95%,(JV),;MWCO20kDa50kDa70%,;MWCO10kDa90%,(SO)10%,,14L/(m2h).,COD7000mg/L,Goldsmith[2]800010000mg/LCOD.,MWCO10kDa.21321311,,,,,50,,4050[3,6].45.93118,:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7].,pH415,pH;pH415,(6).(pH=415),,.21314TMPTMP,,,.,,(7),1h,.3,1410L/(m2h),0120MPa.[8],,.,1h,TMP.,,,,[9].6pH(MWCO,10kDa;,10L/s;TMP,0.2MPa;,45)7(MWCO,10kDa;,10L/s;pH,4.5;,45)21315,,8.4,,200min,.,.M.Balakrishnan[10],.,;,,,.Dornier[11],,.,10L/s15L/s,,,.214041137©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7,12].8(MWCO,10kDa;,10L/s;pH,4.5;,45)NaClO,2.2L/m2h%110%NaOH5514131048138313110%HCl5511131039116210110%NaOH+EDTA54191310491486190.1%NaOCl5417131044167518110%5512131050118719,[6,12].,8719%.,..2,110%NaOH110%HCl0.1%NaOCl,8313%.110%NaOHEDTA8619%,NaOH,EDTA,,.31),COD,,,.2),91%,COD27%,10%.3)MWCO10kDa,COD7000mg/L.4)MWCO10kDa,45pH415,10L/s(012MPa).5)NaOHEDTA,90%.:[1],.[J].,1998,(9):29-31.[2]GOLDSMITHRL.Treatmentofsoywheybymembraneprocess[J].FoodProcessingWastes,1973,(3):514-520.[3],.[J].,2000,26(5):36-38.[4],.[J].,2001,11(3):26-27.[5],.[J].,2000,8(5):17-19.[6],.[J].,2000,26(6):6-10,26.[7]INGMARHH,PEDROP.Theeffectofprotein2proteinandprotein-membraneinteractionsonmembranefoulinginultrafiltration[J].JournalofMembraneScience,2000,(9):79-90.[8].[M].:,2000.[9]KISHIHARAS,FIJIS,KOMOTOM.Studyontheper2formanceofultrafiltrationmembraneinseparationoflimejuice[J].IntSugarJ,83(1981)35-39.[10]BALAKRISHNANM,DUAM,BHAGATJJ.Effectofoperatingparametersonsugarcanejuiceultrafiltration:resultsofafieldexperience[J].SeparationandPurifi2cationTechnology.2000,(19):209-220.[11]DORNIERM,DECLOUXM,LEBERTA,etal.Studyonperformanceofultrafiltrationmembraneintreatmentofsurfacewater[J].JournalofFoodProcessEng,1994,(17):73-92.[12],.[J].,2001,26(5):22-25.()14118,: