3种填料曝气生物滤池处理效能及硝化特性对比

41220092JOURNALOFHARBININSTITUTEOFTECHNOLOGYVol41No2Feb.20093张守彬1,2,邱立平2,杜茂安1,马军1(1.,150090;2.,250022):为考察天然斜发沸石页岩陶粒和石灰岩碎石曝气生物滤池的处理效能,利用模型试验对比分析3种填料滤池的氨氮及pH空间分布特征,探讨进水负荷及pH对3种滤池硝化效率的影响规律.结果表明,在较高的进水pH(pH65)条件下,沸石BAF的氨氮去除能力优于石灰岩BAF和陶粒BAF.提高进水有机物负荷氨氮负荷到一定程度将抑制曝气生物滤池的硝化效率,增加进水pH可有效提高3种填料BAF的氨氮去除率.沸石陶粒和石灰岩曝气生物滤池均具有较好的有机物和悬浮物去除能力,沸石BAF和石灰岩BAF的硝化除氨效率优于陶粒BAF.石灰岩BAF能够很好地适应进水pH的变化,具有稳定的硝化效率,比较适于处理低pH和高氨氮负荷的污水.:曝气生物滤池;硝化特性;pH;沸石;陶粒;石灰岩:TU375:A:0367-6234(2009)02-0057-04Treatmentefficiencyandnitrificationpropertiesinthreebiologicalaeratedfilters(BAF)withdifferentmediaZHANGShoubin1,2,QIULiping2,DUMaoan1,MAJun1(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.SchoolofCivilEngineeringandArchitecture,UniversityofJinan,Jinan250022,China)Abstract:Aparallelpilot-scalestudywascarriedoutontreatmentefficiencyandnitrificationpropertiesofthreebiologicalaeratedfilters(BAF)filledwithzeolite,ceramistandcarbonatemedia,respectively.ThedistributionofammoniumnitrogenandpHvalueinthefilterbedofthethreeBAFsandtheinfluenceofinfluentloadingandpHonnitrificationwerealsoinvestigated.ItwasobservedthatthenitrificationperformanceinzeoliteBAFwasbetterthanthatofcarbonateBAFandceramistBAFwhentheinfluentpHvaluewasmorethan65.ThenitrificationinallthreeBAFswasinhibitedwhenincreasedtheinfluentorganicmatterandammonialoadingtoacertaindegree,andenhancedbyincreasingtheinfluentpHvalue.ResultsshowthatallthreeBAFshavepromisingCODandSSremovalefficiencies,andthenitrificationperformanceinzeoliteBAFandcarbonateBAFissuperiortothatofceramistBAF.ThecarbonateBAFisconsideredmoresuitabletotreatthewastewaterwithhigherammoniaconcentrationandlowerpHvalue,whichhasstablenitrificationefficiencyandbetteradaptabilitytovariedinfluentpHvalues.Keywords:biologicalaeratedfilter(BAF);nitrificationproperties;pHvalue;zeolite;carbonate;ceramist:2007-03-23.:(2005BS08008);(Y2006B39);(J06I01);(B0501).:(1980),,,;(1946),,,,;(1962),,,.[1].BAF,BAF,BAF,BAF[2].BAF,,,[3].,BAF[4].BAF,[4-8],,.BAFBAFBAFCOD,3,,BAF.1实验113,150mm,25m.1,18m.NH4ClK2HPO4,10%,HClNaOHNaHCO3(2).1mmkgm-3kgm-3%m2g-13~5232411164246583~5286822623873563~5159811945584162CODmgL-1mgL-1mgL-1mgL-1mgL-1mgL-1pH132~4855226~574311~68247~910~0010~00152~811218~28,51.12m,1m,+,2~3min,3~5min,9~11min,10L/(m2s),10L/(m2s).CODTPTN[9],8~20h,3,12~36h.SS,,[4].2结果与讨论21COD132~4855mg/L,226~574mg/L,311~682mg/L,47~91mg/L,pH52~81,18~28,51,HRT04~25h,3COD1.1,BAF.BAFBAFBAF,BAF(1).,.[3],.1BAFBAF,[5-6].1313BAF30%15%,,BAF.13BAF,BAF(836%)BAF(816%)BAF(735%).235841BAF.2,BAFBAF,;BAF,,.222BAF,20~22,125h,51,BAF(3).3333BAF:BAF0~04m,04~08m,08~2m;BAFBAF,(0~06m),(06~2m).3,,BAF.BAF(4).4,,COD.,4CODSS,BAF,,,;,,,,3BAFBAF.,[10].,,,,,,.592,:3BAF.23,COD3,5,6.5COD65,6,COD,BAF.12kg/(m3d),3BAF60%~90%;12kg/(m3d),.24pH7COD15kg/(m3d),10kg/(m3d),22~28,125h,51,3pH.7,pH,3,pH.pH65,,.,,;BAF,,,3BAFBAFBAF,pH.pH,,,3,BAF,,pH65,BAF,BAFpH,BAF.,BAFpH,BAFpH,,BAFBAFBAF.7pH3结论1),BAF.2)BAFBAFBAF,3,.,pH3BAF.3)BAFpH,.BAFpH.pH,BAFBAFBAF.参考文献:[1]CHENJJ,MCCARTYD,SLACKD,etal.Fullscalestudiesofasimplifiedaeratedfilter(BAF)fororganicandanitrogenremoval[J].WatSciandTechno,l2000,41(4-5):1-4.(65)6041.3),SBR,,.4),113kg/(m3d),.参考文献:[1]JETTENMSM.Towardsamoresustainablemunicipalwastewatertreatmentssystem[J].WaterSciTech,1997,35(9):171-180.[2]JETTENMS.Theanaerobicoxidationofammonium[J].FEMSMicrobiologyReviews,1999,22(5):421-437.[3]RUIZG,JEISOND,CHAMYR.Nitrificationwithhighnitriteaccumulationforthetreatmentofwastewaterwithhighammoniaconcentration[J].WatRes,2003,37(6):1371-1377.[4],.[J].,2000,17(4):233,241.[5]ROBERA,BURNE,WANYY,etal.Bacterialureasesininfectiousdiseases[J].MicrobesandInfection,2000,2:533-542.[6]ANTHONISENAC,LOEHRRC,PRAKASAMTBS,etal.Inhibitionofnitrificationbyammoniaandnitrousacid[J].WaterPollutControlFederation,1976,48:835-843.[7],,.pH[J].,2005,37(7):1664-1666.[8]SUTHERSANS,GANCZARCEZYKJ.Inhibitionofnitriteoxidationduringnitrification:Someobservations[J].WaterPollutRes,1986,21:257-262.[9]GARRIDOJM,BENTHUMvanWAJ,LOOSDRECHTvanMCM,etal.Influenceofdissolvedoxygenconcentrationonnitriteaccumulationinabiofilmairliftsuspensionreactor[J].BiotechnolBioeng,1997,53:168-175.[10]BERNETN,PENGD,DELGENESJP,etal.Nitrificationatlowoxygenconcentrationinbiofilmreactor[J].EnvironEng,2001,127:266-272.[11]JAYAMOHANS,OHGAKIS,HANKIK.EffectofDOonkineticsofnitrification[J].WaterSupply,1988,6:141-148.[12],,.[J].,2005,26(1):63-67.[13],.[M].:,1998.(刘彤)(60)[2].[J].,2005,30(7):7-10.[3]KENTTD,FITZPATRICKCSB,WILLIAMSSC.Testingofbiologicalaeratedfilter(BAF)media[J].WatSciTech,1996,34(3-4):363-370.[4].[R].:,2006.[5]YUY,FENGY,QIUL,etal.Effectofgrain-slagmediaforthetreatmentofwastewaterinabiologicalaeratedfilter[J].BioresourceTechnology,2008,99(11):4120-4123.[6]HANS,YUEQ,YUEM,etal.Effectofsludge-flyashceramicparticles(SFCP)onsyntheticwastewatertreatmentinanA/Ocombinedbiologicalaeratedfilter[J].BioresourceTechnology,2009,100(6):1149-1155.[7]ROZICM,STEFANONVICSC,KURANJICAS.Ammoniumnitrogenremovalfromwaterbytreatmentwithclaysandzeolites[J].WatRes,2000,34(14):3675-3681.[8]HES,XUEG,KONGH.Theper