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FCC112111．4300792．430072FCC、—200L/hPTFEFCC。1865h10NTU10000NTU。FCCX703C1000－4602201621－0104－04FieldStudyonTreatmentofFCCCatalystProductionWastewaterbyHollowFiberMembraneTANGYan-qiang1WANGHong-ping12MAXue-qing1XIAOＲui11．SchoolofＲesourcesandEnvironmentalScienceWuhanUniversityWuhan430079China2．HubeiProvincialCollaborativeInnovationCenterforWaterＲesourcesSecurityWuhan430072ChinaAbstractThewastewaterfromgaswashinginFCCcatalystproductionischaracterizedbystrongacidandhighconcentrationofsuspendedsolids．Afieldtestsystemwithwaterproductioncapacityof200L/hwasbuiltusingprecipitationandhollowfibermembranefiltration．PTFEhollowfibermembranewasusedtoremovesuspendedsolidsfromthewastewater．Thetreatmentefficiencyandthefluxchangewerestudied．Thesystemwasoperatedcontinuouslyfor1865hours．Theoperationresultsindicatedthattheturbidityofeffluentwaslessthan10NTUandthepermeatefluxwasstablewhenthewastewaterqualitywasnormal．Butthereweretwosignificantchangesinwastewaterqualityduringoperationandthepre-cipitationwasineffective．Theturbidityofincomingwaterformembranetankreached10000NTU．Thequalityofpermeatebecameworseandthepermeatefluxdecreaseddramaticallybecauseofmembranefouling．Thepermeatefluxcannotberecoveredfullybyaerationorbackwashingsoitisnecessarytocar-ryoutstudyonchemicalwashing．KeywordsFCCcatalystwastewaterfromgaswashinghollowfibermembraneFCC、1。2～4pH·401·3221201611CHINAWATEＲ＆WASTEWATEＲVol．32No．21Nov．2016。56FCC17。pH6～87pH。pH。、、、、89。FCC。/。11.1、、、1、A、B。1Fig．1SchematicdiagramofexperimentalsetupPTFE0．2～0．4μm0．8mm1．6mmpH1～14＜0．05MPa25m2。1.21865hA、B———。5～50kPa200L/h。1.3、、、。、、HACH2100ANMicrotracS3500。22.12.1.1FCC35～55℃pH1～33000～10000NTU。200～300NTU2D10=2．72μmD50=8．53μmD90=43．29μm。2Fig．2Variationofeffluentturbidityfromsedimentationtankwithrunningtime150～270h1000～1150h。·501·．watergasheat．comFCC322110000NTU2。2.1.2A、B。10NTUA、B100200NTU3。3A、BFig．3Variationofeffluentturbidityfrommembranetankswithrunningtime2.25、1020kPa———4。4A、Fig．4VariationoftransmembranepressureandflowrateofmembranetankAwithrunningtimeS15kPa200L/h80L/h。200L/h10kPaS2、100L/hS1。200L/h20kPa200L/h。2.3。200L/h。DarcyJ=ΔPμＲ1J=QA2JΔPμＲQA。Ｒ。ＲM、ＲCＲPJ=ΔPμＲM+ＲC+ＲP3k=QΔP=AμＲM+ＲC+ＲP4ＲM、、910ＲC、1011、ＲP。A·601·3221．watergasheat．comμkＲPＲCk。5kS1kS2k。kk4。kS3k。5kFig．5Variationofkwithrunningtime3①—FCC——3000～10000NTU10NTU。②。。1．J．2015417136－139．2．J．2015439190－191．3．J．2010384308－310．4．J．2015341211－14．5．/J．200723653－54．6．VJ．201336891－96．7．J．200334340－43．8Le-ClechPChenVFaneTAG．FoulinginmembranebioreactorsusedinwastewatertreatmentJ．JMembrSci20062841/217－53．9LeeEJKimKYLeeYSetal．Astudyonthehigh-fluxMBＲsystemusingPTFEflatsheetmembraneswithchemicalbackwashingJ．Desalination2012306135－40．10BaiＲLeowHF．Microfiltrationofactivatedsludgewastewater—theeffectofsystemoperationparametersJ．SepPurifTechnol2002292189－198．11PradhanMVigneswaranSAimＲBetal．Modellingofparticledepositioninasubmergedmembranemicrofiltra-tionsystemJ．Desalination2014350414－20．1991－。E－mailtyq828@163．com2016－05－11·701·．watergasheat．comFCC3221