蜂窝胞壁厌氧生物滤池处理焦化废水的中试研究张光海

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[1]。A/A/O[2-3]。A/A/O。11.1131MBR。400L。。1.2COD1500~3000mg·L-1NH3-N80~250mg·L-1TN100~300mg·L-115~30℃pH7~9。1.3CODNH3-NTNpHpH。22.1。3g·L-1、243002A/A/OCODpH、。COD2370mg·L-1NH3-N165mg·L-1COD37%30%、COD、pH。CODNH3-N。X784A1000-3770(2010)02-0092-032009-06-011984-13637109547E-mailqdzhangguang@163.com   1A/A/OFig.1SchematicdiagramofA/A/Oprocess36220102TECHNOLOGYOFWATERTREATMENTVol.36No.2Feb.,201092DOI:10.16796/j.cnki.1000-3770.2010.02.025COD400mg·L-1。5d4~5。20d。1。10~20L·h-1。2.22.2.1CODCOD2。2COD25%~50%37%A/A/OCOD22%。2。。。。[4]。30h3mm。2COD。3CODCODCOD3.0kg·m-3·d-1。。2.2.24NH3-NNH3-N30%。NH3-NNH3-N[5-7]。NH3-N。NH3-NpHNH3NH3。2.2.3pHpHpH。56pH。5pH。pHNH3。pH7~8pH0.00.51.01.52.02.53.03.50.00.10.20.30.40.50.60.70.8/kgmd/kgmd3CODFig.3TheremovalloadofCODwiththeinfluentloadofCOD01020304050607080050010001500200025003000/%/dCOD/mgL0204060801002CODFig.2CODremovalintheanaerobicreactor01020304050607080050100150200250300350/%/dNH-N/mgL0204060801004Fig.4Ammonificationeffectintheanaerobicreactor937.5。pH6.5~8.0。6。15℃10%20~26℃30%。2.2.4A/A/OCODNH3-NA/A/O1。A/A/OCOD93%COD150mg·L-1NH3-N92%NH3-N15mg·L-1。3COD37%30%CODpH7.520~26℃。A/A/OCOD150mg·L-1NH3-N15mg·L-1。A/A/O。[1].[C].,2001.[2].[M].:,2002.[3][]RE.[M].,.:,2001.[4],,,.[J].,1997,13(3):13-16.[5],,,.[J]..2001,4(22):86-90.[6],.[J].,2007,1(33):39-41.[7],,.[M].:,2006./%COD/mg·L-1ρ(NH3-N)/mg·L-123701651550208750621431393921A/A/OTab.1AveragevaluesofA/A/Oprocess6.57.07.58.08.59.001020304050607080/%pH5pHFig.5ChangesofammonificationratewithpH1012141618202224260102030405060/%6Fig.6ChangesofammonificationratewithtemperaturePILOTSTUDYONTHEANAEROBICBIOLOGICALFILTERWITHCELLULARSTRUCTUREDFIBERFILLINGSFORTHECOKINGWASTEWATERTREATMENTZhangGuanghai,MaoYi,CaiJianan(SchoolofArchitecturalEngineering,AnhuiUniversityofTechnology,Ma′anshan243002,China)Abstract:ThecokingwastewaterwastreatedwiththeanaerobicbiologicalfilterwithcellularstructuredfiberfillingsinA/A/Oprocess.TheremovalofCOD,theammonificationrateofNH3-NandtheammonificationratewiththechangesofpHandtemperaturewerestudiedintheanaerobicreactor.TheresultsshowedthattheaverageremovalrateofCODandtheammonificationratewere37%and30%whentheinfluentCODwas2370mg·L-1andNH3-Nwas165mg·L-1duringtheanaerobicreactor.Comparingwiththetraditionalanaerobicreactor,theanaerobicbiologicalfilterwascharacterizedbyitshigherhydraulicload,higherremovalrateofCOD,andmoremedialconditionofpHandtemperature.TheeffluentconcentrationofCODandNH3-NachievedthesecondarystandardcriteriaspecifiedinIntegratedStandardofWastewaterDischargeduringtheA/A/Oprocess.Keywords:anaerobicbiologicalfilter;cellularstructuredfiberfillings;cokingwastewater;air-lift;ammonification36294

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