高浓度含盐含酸有机废水预处理及膜清洗初试

(,,116024)(PAC),(PPESK),,,,,:PAC100mg/L,,CODSS30%90%EDTA,98.3%PAC:2008-05-15:(1982~),,,:(1946~),,,TrytoPretreatOrganicWasteWaterwithHighConcentrationofAcidandSaltandMembraneFoulingSunYangZhangShouhaiYangDalingGaoSongZhangPingpingJianXigao(DepartmentofPolymerMaterials,DalianUniversityofTechnology,LiaoninDalian116024LiaoningResearchCenterofHigh-PerformanceResinEngineeringandTechnology,LiaoninDalian116024)AbstractAUFmembraneofpoly(phthalazinoneethersulfoneketone)(PPESK)integratingpoly-Aluminumchloride(PAC)asflocculantswaschosentopretreatorganicwastewaterwithhighconcentrationofacidandsaltin2steadofthetraditionalpretreatmen.tThedosageofflocculantswerestudied.Theeffectsofhydraulicwashing,differ2entcleaningagents,cleaningtimeontherecoveryofmembranefluxwereinvestigated,andtheoptimummembranewashingmethodswasdetermined.ThebestdosageofPACwas100mg/Lwith30%oftheremovalefficiencyofCODandupto90%ofremovalefficiencyofSS.TheEDTAback-washinggavethebestrecoveryofflux,andtheFRofthemembranewas98.3%;KeywordsPoly(phthalazinoneehtersulfoneketone)pretreatmentwastewatertreatmentUFmembranefoulingPAC,,2:()(,,),,(SS),(COD),,,COD(:PAC,Poly-AluminumChloride),,,,,[1~3])10)22820088ChemicalIndustryTmiesVo.l22,No.8Aug.8.2008[4~6],PAC,(PPESK),,,,,,,,11.1:COD15000mg/L,SS1996mg/L,1250,80510mg/L,pH5.11.2SS:;CODcr:;pH:pH;:1.3(40.7cm2),;791,;751,;Q/STHH01/94WMXCOD,1.4;(PAC),1.5PPESKNMP,,1.6,0.2MPa,30min,0.1MPa,100mg#L-1PEG10000FR(1)(2);F=V/St(1)R=(1-Cp/Cf)@100%(2),F(L#m-2#h-1);V(L);S(m2);t(h);R(%);Cp(%);Cf(%)1.7:,,,,,,,,FR[7](3),,,FR=(Jw-Jfw)/(Jiw-Jfw)@100(3)Jw;Jfw;Jiw22.1500mLPAC,10min,2h,(400))11)20081Vol122,No.83PACpH12,PAC,CODSS,PAC100mg/L,CODSS30%90%PAC,CODSS,,PAC100mg/L,3,PAC,pH2.2,PEG1000099%656L#m-2#h-1(PPESK-UF),,0.2MPa,PPESK-UFCOD:PPESK-UF15L#m-2#h-1COD38%SS100%70%(700nm)2.3PPESK,,,,)))),2.3.1,,,5h90min,,,,44,,,,,,,,,90min,40min,,40~45min2.3.22.3.2.1,1.0%,pH31.0%EDTA,pH1145min11/L/(m2#h)/L/(m2#h)FR/(%)1462394.91562895.6EDTA1464598.31563797.01,,,,,EDTA,98.3%,,97%,)12)20081Vol122,No.85AdvancesinScience&Technology6,95%,EDTA,,EDTA2.3.2.2EDTA5EDTA5,,,,PPESK,,2.4,,,,,,,,,,,,,,35e3(1)PAC100mg/L,,CODSS30%90%(2)EDTA40~45min,,98.3%,PPESK[1],.[J].:,2001,24(6):1~3.[2],.[J].,2003,23(3):1~3.[3],,.[J].,2000,2(5):1~5.[4]PiaA,RocaJAM.Reuseofwastewaterofthetextilein2dustryafteritstreatmentwithacombinationofphysico-chemicaltreatmentandmembranetechnologies[J].Desal2ination,2002,149(1-3):169~174.[5]MignaniM,NosenzoG,GualdiA.Innovativeultrafiltra2tionforwastewaterreuse[J].Desalination,1999,124(1-3):287~292.[6]MarcucciM,CiardelliG,MatteucciA.,eta.lExperi2mentalcampaignsontextilewastewaterforreusebymeansofdifferentmembraneprocesses[J].Desalination,2002,149(1-3):137~143[7]MadaeniSS,MansourpanahY.Chemicalcleaningofre2verseosmosismembranesfouledbywhey[J].Desalina2tion,2004(161):13~24.()()5(),107,,15000t45.5,64,3.9())13)20081Vol122,No.8