电子受体质量浓度对反硝化除磷过程的影响傅金祥

　　:2006-11-28:“863”(2003AA601010);(HJ-200602):(1955—),,,,.:1671-2021(2007)05-0806-04傅金祥1,3,王　颖1,池福强1,张立成2,赵　璐1,韩晋英1,韩墨菲1(1.,110168;2.,100022;3.,110016)　:为研究一种最佳的节能生物除磷方法.在传统SBR反应器中,考察了分别以NO-3-N和NO-2-N为电子受体的反硝化除磷过程中的脱氮吸磷现象.试验表明以NO-3-N为电子受体硝酸型反硝化除磷过程在除磷效果上要优于以NO-2-N为电子受体的亚硝酸型反硝化除磷体系,TP去除率可高出20%,但脱氮效果相对低9%.将电子受体浓度控制在最佳条件下,有利于反硝化脱氮除磷效果.:SBR;;;:TU991.2　　　:A　　　　　,(DPB),,,,[1-3].30%,O2;,,50%;.,[4-6].,PHB,.,,———,[7-8].,,.1　1.1　2SBR,1..15cm,90cm,16L,.1　;2　;3　;4　1　200709235　()JournalofShenyangJianzhuUniversity(NaturalScience)　Sep.　2007Vol.23,No.5　　,:1#2h,NaNO3,4h;2#2h,NaNO2,4h.1.2　,1.1　/℃pHρ(CODCr)/(mg·L-1)ρ(NO-3-N)/(mg·L-1)ρ(NO-2-N)/(mg·L-1)ρ(NH+4-N)/(mg·L-1)ρ(TN)/(mg·L-1)ρ(TP)/(mg·L-1)9～206.2～7.5180～3501～50.5～240～14050～2005～20　　[9].1.3　.3～4g/L,,.,.2　2.1　NO-3-N2h,(5mg/L)NaNO3,NO-3-N.2,,NO-3-N2　15mg/L,TP23%,NO-3-N25～45mg/L,TP60%,70.4%;NO-3-N55mg/L,TP34%,.1#NO-3-N25～45mg/L,.2.2　NO-2-N(2mg/L),1#.3,NO-2-N.NO-24mg/L,TP20%;NO-28～14mg/L,TP35%,10mg/L44%;16mg/L,TP25%,(16mg/L),,.3　2.3　TP1#30mg/L,2#10mg/L,,4.2h,,2h.9.6mg/L7.6mg/L,,.3h,23:807　　,,2#TP1#.5h,6h,.NO-3-NNO-2-N,.,NO-3-NNO-2-N,TP20%.4　TP2.4　TN1#30mg/L,2#10mg/L,,TN,5.2hTN,3h,NO-3NO-2,,3hTN.4h,TN71%80%.5　TN　　2#NO-2-N1#NO-3-N,,,NO-3※NO-2※N2;2#NO-2※N2,NO-3※NO-2,.3　　(1)NO-3-N30mg/L,NO-3-N.NO-2-N,10mg/L.(2),TP20%.(3)NO-3※NO-2,,TN9%.:[1]　,.[M].:,1998.[2]　KubaT,LoosdrechtV.Phosphorusremovalfromwastewaterbyanaerobic-anoxicsequencingbatch[J].WatSciTech,1993,27(5/6):241-252.[3]　,.[J].,2002,3(5):38-41.[4]　.[M].:,2006.[5]　KubaT,LoosdrechtV,HeijnenJJ.PhosphorusandnitrogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdephosphatationandnitrifi-cationinatwo-sludgesystem[J].WaterResearch,1996,30(7):1702-1710.[6]　LeeDS,JeonCO,ParkJM.Biologicalnitrogenre-movalwithenhancedphosphateuptakeinasequencingbatchreactorusingsinglesystem[J].Wat.Res.,2001,35(16):3968-3976.[7]　,,.[J].,2005,25(5):515-518.[8]　HuJY,OngSL,NgWJ,etal.Anewmethodforcharacterizingdenitrifyingphosphorusremovalbacteriabyusingthreedifferenttypesofelectronacceptors[J].Wat.Res.,2003,37(14):3463-3467.[9]　《》.[M].4.:,2002.808　　()23EffectofelectronacceptorondenitrifyingphosphorusremovalFUJinxiang1,3,WANGYing1,ZHANGLicheng2,CHIFuqiang1,ZHAOLu1,HANJinying1,HANGMofei1(1.SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang,China,110168;　2.Depart-mentofMunicipalinBeijingIndustrialUniversity,Beijing,China,100022;　3.ShenyangEcologicalEnvironmentResearchIn-stitute,Shenyang,China110016)Abstract:Theexperimentstudiedtheoptimalconditionsandthemeritoftwodifferentelectronacceptorondenitrifyingphosphorusremoval.IntwoidenticalSBRreactor,thedenitrificationandphosphorousremovalwasinvestigatedindenitrifyingphosphorousremovalprocess,whichseparatelytooknitratenitrogenandni-tritenitrogenastheelectronacceptor.Theresultsindicatedtheprocesstakingnitratenitrogenastheelec-tronacceptorisbetterthanthenitritenitrogeninthephosphorousremoval,andhigherby20%,butworseinthenitrogenremoval,andlowerby9%.It'sbetterfordenitrifyingphosphorousremovalprocesswhentheconcentrationofelectronacceptoriscontrolledinoptimalcondition.Keywords:SBR;denitrifyingphosphorousremovalprocess;electronacceptor;short-cutnitrificationanddenitrification23:809