高浓度有机废水厌氧膜生物工艺处理的中试研究

:025322468(2001)20120034205:X703:A,,(,200092),,(,200233):ADUF,(1)SRT50d,COD,;(2)pH710,(39);(3)110315kg/(kgd),ADUF.:;;Apilot2scalestudyofhighstrengthorganicwastewatertreatmentusinganaerobicdigestion2ultrafiltrationprocessWUZhichao,GUGuowei,HEYiliang(SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092)ZHANGMingxu,MAZhiliang,XIEFenqin(ShanghaiAcademyofEnvironmentalSciences,Shanghai200233)Abstract:TheresultsofpilotstudyADUFprocessforthetreatmentofhighconcentrationorganicwastewaterwasintroduced.(1)TheCODremovalefficiencywashighandthefluxvariationwasstablewhentheanerobicsludgeretentiontimewas50days.(2)Whenpossible,theanaerobicsludgetankshouldapplytheonlinepHcontrolsystem,andtheincreaseofoperationtemperaturewillbebenefitfortheproess(3)Sludgeloadingbetween1.0315kg(COD)/kg(VSS)d)willnotaffectthemembranebiologicalprocess.Keywords:highstrengthorganicwastewater;anaerobicdigestion;ultrafiltration:1999212203;:2000204203:(1966),,(),2(Anaerobicdigestion2ultrafiltration,ADUF).A.Beaubien[1],018019kg/(kgd),COD95%,,,,.S.Elmaleh[2],.O.Ince[3].Kwang2hoChoo[4],,(MgNH4PO46H2O),.W.R.Ross[5]ADUF,21kg/m3,116m/s,450kPa,35,837L/(m2h).AhmadunFakhrul2Razi[6]ADUF,21120011ACTASCIENTIAECIRCUMSTANTIAEVol.21,No.1Jan.,200110000,3100038000mg/L,1917kg/(m3d),COD90%.,ADUF.1.pHpH.HPL,0164m2,,20000300005000070000.300L,,,450L.,100,COD,..2211(SRT),SRT.ADUF,,SRT.1SRT50dPAN700Fig.1ThefluxvariationofPAN700membranewiththetimeundertheSRT50days,SRT50d(SRT),1270000(PAN700)SRT50d21d.SRT50d,PAN1616579120L/(m2h),60155L/(m2h),SRT,,MLVSS/MLSS,PAN019068140L/(m2h),40194L/(m2h).2,68d(21d),,,,,531:.MLSS,,40000mg/L,,,.221PAN700Fig.2ThefluxvariationofPAN700membranewiththetimeafter21daysundernosludgedis2chargingcondition1SRTADUFCOD.,SRT50d,,COD.,,,,,,.1SRT2CODTable1TheADUFprocessCODremovalefficiencyunderdifferentSRTconditionsCOD,mg/LCOD,%,mg/L,meq/LSRT44304843379214892950d1340426188015154486212pHpH,710.ADUF,,,,,,pH.,pH,pH610615,pH710,,pH,pH610815,,,COD.pH(,pH618),pH,,COD,,,pH810.,,,,.213,.,,,,,,6321,,,,,,,,.1,,33000050000(PES300PES500).,,,,.,,,3,PES300,PES500.,,,,,,.,.3PESFig.3Thefluxvariationoftwodifferentcut2offmolecularweightsafterdismantling214,.,,,,.2,,33,,,,,,.,,().2Table2TheinfluenceoftemperatureonmembranefluxofADUFprocess,MPa,L/h,L/(m2h)PES300PES500PAN700012010397039181923194119012010370033131114142319215,,,MLVSS500010000mg/L,731:MLSS40000mg/L,MLVSS10000mg/L,.,20d.3.,,(625kg/(m3d)),COD,.,50kg/(m3d),COD.,.3Table3TheinfluenceoforganicloadingontheoperationefficiencyofADUFprocess,kg/(kgd)COD,mg/LCOD,%,L/(m2h)PES300PES500PAN700/,MPa1127827391189101517521160481600120/0103114610625279273171711018100281800120/010311959739192780121414011125341650123/0103212113508260880171315018145461350122/0104315137085357790141418521160441100120/01033:(1)50d,COD,.(2)ph,,,.(3),,.(4),110315kg/(kgd)6102510kg/(m3d),COD,.:[1]BeaubienA.Designandoperationofanaerobicmembranebioreactors:developmentofafiltrationtestingstrategy[J].JournalofMembraneScience,1996,109:173184[2]ElmalehS.Croos2flowfiltrationofananaerobicmethanogenicsuspension[J].JournalofMembraneScience,1997,131:261274[3]InceO.Compositionofthemicrobialpopulationinamembraneanaerobicreactorsystemduringstart2up[J].WatRes,1997,31(1):110[4]Kwang2hoChoo.Hydrodynamicbehaviorofanaerobicbiosolidsduringcrossflowfiltrationinthemembraneanaerobicbiore2actor[J].WatRes,1998,32(11):33873397[5]RossWR.PracticalapplicationoftheADUFprocesstothefull2scaletreatmentofamaizeprocessingeffluent[J].WatSciTech,1992,25(10):2739[6]AhmadunFakhrul2Razi.Ultrafiltrationmembraneseparationforanaerobicwastewatertreatment[J].WatSciTech,1994,30(12):3213278321