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A2/O21,2,3(1.,243002;2.,264000;3.,255000):A2/O2(///),,:,,60,COD80%60%:A2/O2:X703.1:A:1674-0254(2010)01-0042-05StudyonFilmFormationofA2/O2BiofilterProcessforCokePlantWastewaterTreatmentLIHongli1,JIAPeixin2,HUXiaoming3(1.SchoolofArchitecturalEngineering,AnhuiUniversityofTechnology,Maanshan243002,China;2.YantaiAcademyofUrbanConstructionandDesignCo.Ltd.,Yantai264000,China;3.ZiboHarainEnvironmentalEngineeringCo.Ltd.,Zibo255000,China)Abstract:WetreatedcokeplantwastewaterbyA2/O2biofilterprocess,inthispaperwediscussedthetechni2calprocess,thewayoffilmformationanddifferenttreatmenteffectsduringfilmformationperiod.Theresultsshowedthatintegratingtheartificialinoculationandthenaturalconcentrationandenhancingtheorganicloadinggraduallycanformastablebiofilminthepaddingsurfaceeffectively,whichcanadapttheeffluentwaterfromair-floatingequipmentofacokewastewatertreatmentsystemveryquickly.Ittook60dtoformtheprincipialbiofilmandwemaythinkthefilmformationoftheoverallsystemtobesuccessfulwhenthesystemCOD,NH3-Neliminationratecanstabilizeatabove80%and60%.Keywords:cokeplantwastewater,A2/O2biofilterprocess,filmformation,[1],NH3-N,[2],[3],A/O,A2/O,A/O2,COD[4]A2/O2,,,,,,11.1(:2009-06-30;2009-07-05:,,1984,,:E-mail:lihongli-1984@163.com2420101Vol.16No.1),11COD/(mg/L)18502800/(mg/L)95600/(mg/L)1DO/(mg/L)0.10.2DOpH8.09.5pH/20301.2A1A2O1O2150mm,36mm,,A1A2O1O215.5151212L11000L,678500L11A2/O2A1,;A2;O1;O2,67HRT,A1A267,,O1O2,O28,A2,2:,,A2/O,25%2.1,,COD13001700mg/L95284mg/L,CODP=1001KH2PO4,pH78,2,15,3130,45,HRT15.5h,25302.2O213A2,,2,15,20HRT15h3420101,:A2/O22.3O1O2COD300500mg/L30100mg/L301,DO2mg/L[5],O2NaHCO3,,12,5,,10HRT24h33.1,45,COD232COD32,2,COD84.4%30COD173mg/L3,,120mg/L,96.4%,2.89mg/L,GB89781996(15mg/L)COD,COD,:(1),,pH5.56.5,pH;[6,7],A1,,(2),COD,[8],,,(3),,COD80%,60%,,,,,3.2A1A11,,40,,23,A1COD15%;10%A1pH44A1pH4,30,4420101Vol.16No.1pH50pH0.3,,;,pH,(,.A2/O2[D].,2007.):(1)COD;(2);(3)pHA13.3A240,,,23,COD,A2COD,58%5%A255A25,60%A2,,,CODA2,3.42,O12,COD,COD30,O1COD75%,COD250mg/L,,COD,1,O23,30,O260%,,,,6COD6COD6,COD,,CODCOD1300mg/L,55%,,,;,,,COD,,,,,58%,,,4,A2/O2,,,,,COD80%,60%,55(48)5420101,:A2/O21/m/dB111010090807010908070605032807060504050766656463610070605040301506656463626300605040302060064443424141000504030201015004636261662dB3-345-2610-13,3dB330.12.9dB0.116.40.213.50.311.80.410.60.59.60.68.90.78.30.87.70.97.31.06.91.16.51.26.21.35.91.45.61.55.31.65.11.74.91.84.71.94.52.04.42.14.22.24.02.33.92.43.72.53.62.63.52.73.32.83.22.93.1[1],GB1234890[S].:,1990.[2].GB12348-2008[S].:,2008.[3].[J].,2000,12(2),27-28.[4].[J].,2007,19(2):50-51.[5].GB30962008[S].:,2008.[6].[J].,2005,17(6):46.(45),[1].[J].,1992,12(3):141-146.[2],,,.[J].,2003(6):44-48.[3].()[J].,1992,10(4,5):54-56,56-63.[4],.A2/O[J].,2004,14(1):128-131.[5]GarridoJM.Simultaneousureahydrolysis,formaldehyderemovalanddenitrificationinamultifedupflowfilterunderanoxicandanaerobicconditions[J].WatRes,2001,35(3):691-698.[6],.[J].,2003,29(2):42-44.[7],,.[J].,1996,14(1):10-13.[8].[J].,2000,26(12):50-53.8420101Vol.16No.1