3种填料曝气生物滤池处理效能及硝化特性对比张守彬

41　220092　　　　　　　　　JOURNALOFHARBININSTITUTEOFTECHNOLOGY　Vol.41No.2Feb.2009　　　　　　3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(pH6.5)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)withdifferentmediaZHANGShou-bin1,2,QIULi-ping2,DUMao-an1,MAJun1(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.SchoolofCivilEngineeringandArchitecture,UniversityofJinan,Jinan250022,China)Abstract:Aparallelpilot-scalestudywascarriedoutontreatmentefficiencyandnitrificationpropertiesofthreebiologicalaeratedfilters(BAF)filledwithzeolite,ceramistandcarbonatemedia,respectively.Thedis-tributionofammoniumnitrogenandpHvalueinthefilterbedofthethreeBAFsandtheinfluenceofinfluentloadingandpHonnitrificationwerealsoinvestigated.Itwasobservedthatthenitrificationperformanceinzeo-liteBAFwasbetterthanthatofcarbonateBAFandceramistBAFwhentheinfluentpHvaluewasmorethan6.5.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],,.BAF、BAFBAFCOD、、、,3,,BAF.1　实　验1.1　3,150mm,2.5m.1,1.8m.、、NH4Cl、K2HPO4,10%,HCl、NaOHNaHCO3(2).1　mmkg·m-3kg·m-3%m2·g-13～52324111642.46.583～52868226238.73.563～51598119455.84.162　CODmg·L-1mg·L-1mg·L-1mg·L-1mg·L-1mg·L-1pH132～485.522.6～57.431.1～68.24.7～9.10～0.010～0.015.2～8.11.2　18～28℃,5∶1.1.2m,1m,—+—,2～3min,3～5min,9～11min,10L/(m2·s),10L/(m2·s).COD、TP、、TN[9],8～20h,3,12～36h.SS,,[4].2　结果与讨论2.1　COD132～485.5mg/L,22.6～57.4mg/L,31.1～68.2mg/L,4.7～9.1mg/L,pH5.2～8.1,18～28℃,5∶1,HRT0.4～2.5h,3COD、、、1.1,、BAF.BAFBAFBAF,BAF(1).,.、[3],.1BAFBAF,[5-6].1　3　　13BAF30%15%,,BAF.　　13BAF,BAF(83.6%)BAF(81.6%)BAF(73.5%).23·58·　　　　　　　　　　　　　　　　　　　　　41　BAF.2,BAFBAF,;BAF,,.2　2.2　BAF,20～22℃,1.25h,5∶1,BAF(3).3　3　　33BAF:BAF0～0.4m,0.4～0.8m,0.8～2m;BAFBAF,(0～0.6m),(0.6～2m).3,,BAF.BAF、(4).4,,、COD.,4　COD、SS,BAF,,,;,,,,3BAFBAF.,、[10].,,,,,,.·59·2,:3BAF.2.3　,COD、3,5,6.5　COD6　　　5,6,COD,BAF.1.2kg/(m3·d),3BAF60%～90%;1.2kg/(m3·d),.2.4　pH7COD1.5kg/(m3·d),1.0kg/(m3·d),22～28℃,1.25h,5∶1,3pH.7,pH,3,pH.pH6.5,,.,,;BAF,,,3BAFBAFBAF,pH.pH,,,3,BAF,,pH6.5,BAF,BAFpH,BAF.,BAFpH,BAFpH,,BAFBAFBAF、.7　pH3　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].WatSciandTechnol,2000,41(4-5):1-4.(65)·60·　　　　　　　　　　　　　　　　　　　　　41　.3),SBR,,.4)、、,1.13kg/(m3·d),.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.Bacterialurea-sesininfectiousdiseases[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.Inhibitionofni-triteoxidationduringnitrification:Someobservations[J].WaterPollutRes,1986,21:257-262.[9]GARRIDOJM,BENTHUMvanWAJ,LOOS-DRECHTvanMCM,etal.Influenceofdissolvedoxy-genconcentrationonnitriteaccumulationinabiofilmairliftsuspensionreactor[J].BiotechnolBioeng,1997,53:168-175.[10]BERNETN,PENGD,DELGENESJP,etal.Nitrifi-cationatlowoxygenconcentrationinbiofilmreactor[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-slagmediaforthetreatmentofwastewaterinabiologicalaer-atedfilter[J].BioresourceTechnology,2008,99(11):4120-4123.[6]HANS,YUEQ,YUEM,etal.Effectofsludge-flyashceramicparticles(SFCP)onsyntheticwastewatertreatmentinanA/Oc