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:025322468(2003)0620721205:X171:A1,2,2,1,2(1.,130021;2.,130026):.,,,.,COD3.:;;;Wastewatertreatmentbyhighefficienthydrolysis2acidogenosisprocessHANXiangkui1,SANGLianhai2,YEChangbing2,YINJun1,TANGJie2(1.DepartmentofEnvironmentEngineering,Ji2linArchitecturalandCivilEngineeringInstitute,Changchun130021;2.CollegeofEnvironmentalandNaturalResources,JilinUniversity,Changchun130026)Abstract:Ahighefficienthydrolysis2acidificationprocessforwastewatertreatentwasdemonstratedinthispaper.Byimprovingthehydrauliccharacteristic,thereweremoreturbulentcurrentandeddyflowsformedinthereactorandmasstransferandtheefficiencyoftreatmentwereim2proved.Incomparison,theremovalefficiencyforsolubleorganiccomponentsoflowerconcentrationsinthenewreactorwas3timeshigherthanthatinthetraditionalreactor.Keywords:wastewatertreatment;hydrolysis2acidificationprocess;COD:2002211208;:2003205228:(:99004):(1954),,:(0431)5935012[1,2].,UASB(UpflowAnaerobicSludgeBed)EGSB(ExpandedGranularSludgeBed),,,[3,4].,UASBEGSB[5].COD,UASB(204)%[5].5:;;;;[6].,,,.,..,,.,,..,,,.236200311ACTASCIENTIAECIRCUMSTANTIAEVol.23,No.6Nov.,2003,.1,2,.100cm,10cm,719L,,.1.1Fig.1Schematicdiagramofreactor10G0426,10m,016LPmin,.,,24.,,,.1,,COD.2,COD1000mgPL,1#,1,.3,COD,.,62COD,.22.1COD450mgPL3800mgPL2,24,pH7,(HRT)4h.,1#200%400%600%800%.1,02#2Fig.2BlackflowratiovsremovalrateofCOD.COD2.2,,COD.600%,COD.,.,COD.,,,.,,COD,.600%,COD5611%,COD3014%.2.2HRTCODCOD450mgPL3800mgPL2,24,pH227237,1#600%.,HRT1h2h3h4h.,1,CODHRT3.3CODFig.3HRTvsremovalrateofCOD3,,HRT,COD.HRT3h4h,1#COD51165%52132%;2#13197%14193%,1#HRT1h,COD45130%.,HRTCOD1#2#315.,.,,,,HRT,COD.,,,HRT2h.2.3CODCOD300600mgPL()16005700mgPL2,24,pH7,HRT3h,1#600%,,4.4CODFig.4InfluentCODvsremovalrateofCOD4,,2#COD12%16%.1#40%,COD400500mgPL,COD50%.COD80mgP(Lh)(1192kgP(m3d)),,..,COD,COD[1].,COD,COD.,,,,,.,2#,1#COD,COD3865mgP(Lh),COD147342mgP(Lh)(31538121kgP(m3d)).,.2.4CODCOD450mgPL,24,pH7,600%,HRT4h,1#,5.3276:5CODFig.5RemovalrateofCODvsheightofreactor5,0125m,COD40%,015m,50%.COD,,COD,.2.5pH24,HRT3h,pH71037133,pH,6.,,1#pH2#,.pHCOD,,1#,,.6pHpHFig.6EnfluentpHvsinfluentpH2.6,1#,,,,..,,,[7].,,,,,.,3,().,[8].,,,,;,,,.,,,[9].,,,,,.,,,,.,(),,.42723COD,COD,COD,COD.,COD,.3(1),,,.(2),COD300600mgPL,COD45%,50%,COD3,.(3),,,,.,.:[1].()[M].:,1991.8291[2]PohlandFG,GhoshS.Developmentsinanaerobicstabilizationoforganicwastes,thetwo2phaseconcept[J].EnvirLett,1971,1:255266[3]LetingaG,HulshoffPolLW.UASBprocessdesignforvarioustypesofwastewaters[J].WaterSciTech,1991,24:87107[4]WentzelMC,MoosbruggerRE,etal.Tentativeguidelinesforwasteselection,processdesign,operationandcontrolofupflowanaero2bicsludgebedreators[J].WaterSciTechnol,1995,31(12):3142[5]Young2HoA,Kyung2SokM,RichardES.Pre2acidificationanaerobicsludgebedprocesstreatingbrewerywastewater[J].WaterRe2search,2001,35(18):42674276[6],.[J].,1999,32(6):3538[7],.[M].:,1997.4955[8].[M].:,1998.98103[9],.2[M].:,1990.10225276: