A2NSBR双污泥反硝化生物除磷系统效能分析李勇智

25120071()JournalofBeijingTechnologyandBusinessUniversity(NaturalScienceEdition)Vol25No1Jan.2007:16711513(2007)01001005A2NSBR李勇智1,李安安1,彭永臻2,李宇星1(1北京工商大学化学与环境工程学院,北京100037;2北京工业大学环境与能源工程学院,北京100022):采用生活污水和A2NSBR工艺对反硝化除磷过程进行了研究.在进水COD浓度为325mg/L,磷浓度为91mg/L,氨氮浓度为65mg/L的条件下,出水氨氮浓度和磷浓度分别为33mg/L和017mg/L,氮和磷的去除率分别为95%和98%.进水C/N比对A2NSBR反硝化除磷体系的除磷和脱氮效率都有重要影响,在进水C/N比为5时获得了最佳的脱氮和除磷效率;当C/N比小于5时,氮和磷的去除率都有大幅度的下降;当C/N比大于5时,氮的去除率未受到影响,而磷的去除率却有所下降.:生活污水;反硝化吸磷;缺氧吸磷;生物除磷;反硝化聚磷菌:X703:A:20061215:(KM200610011004).:(1971),,,,,.,,.[12].,[34].,[5],[68].,,..,,.,,,C/N,[910].,.,,3.:,,.KubaA2NSBR,.,A2NSBRC/N,.,A2NSBR,,A2NSBR,C/N.111SBR,1.SBR(/SBR),,,,(PHB)10.,.SBR(SBR),,.,,SBR,,PHB,,.,.,.SBR,1A2NSBR13L,85h,6,:1)2h(/SBR)/SBR6L,COD325mg/L,91mg/L,65mg/L,C/N5,KubaC/N34.PHB.2)05h(/SBR),05h,10LSBR.770%,Kuba714%.,.3)25h(SBR),/SBR10L,.4)05h(SBR)25h,05h,,.5)25h(/SBR)SBR10L/SBR,PHB.,,16d.6)05h(/SBR),05h,6L,.12COD5B1A;PO3-4P-;NO-3N;MLSS;NH+4N.NO2NN(1).11251:A2NSBR221A2NSBRA2NSBR,2.2(a),6L/SBR,,42mg/L297mg/L,COD142mg/L.2h,/SBR201mg/L,159mg/L,./SBR,10L201mg/L295mg/LSBR.,23mg/L.SBR3L,208mg/L,.,,,53mg/L.25h,,286mg/L.2(b).SBR30min,10L/SBR,,2(a).,22mg/L./SBR,58mg/L204mg/L.25h,,017mg/L,,33mg/L.30min,6L,33mg/L017mg/L,95%98%.2A2NSBR22C/NA2NSBRA2NSBR,C/N.Kuba,C/N34.,C/N5.,COD,,C/NA2NSBR,3.C/N5,,,./SBR,,.,.C/N5,.,,.,.:,,/SBR,;,12()20071SBR,/SBR,3C/N,.,,,C/N.4COD325mg/L,86mg/LA2NSBR,C/N38.,/SBR44mg/L,,134mg/L.,84mg/L,118mg/L,76%.236mg/L,74%.4C/N38A2NSBR5COD325mg/L455mg/L,C/N71A2NSBR.113mg/L38mg/L,87%92%..5C/N71A2NSBR13251:A2NSBR31)A2NSBR,A2NSBRC/N,95%98%.2),C/NA2NSBR:A2NSBRC/N5.C/N5,,,/SBR;C/N5,,,,.:[1]BakerPS,DoldPL.Denitrificationbehaviousinbiologicalexcessphosphorusremovalactivatedsludgesystems[J].WatRes,1996,27(4):617624.[2]MerzoukiM,BernetN,DelgenesJP,etal.BiologicaldenitrifyingphosphorusremovalinSBR:effectofaddednitrateconcentrationandsludgeretentiontime[J].WatSciTech,2001,43(3):191194.[3]CarlosDMF,GlenTD.Evaluationofthecapacityofphosphorusaccumulatingorganismstousenitrateaswellasoxygenasfinalelectronacceptor:Atheoreticalstudyonpopulationdynamics[J].WatEnvironRes,1997(10):267272.[4]KubaT,SmoldersG,vanLoosdrenchtMCM,etal.Biologicalphosphorusremovalfromwastewaterbuanaerobicanoxicsequencingbatchreactor[J].WatSciTech,1993,27(56):241252.[5],,,.[J].,2004,24(1):4549.[6],,,.[J].,2003,23(5):543546.[7],,./SBR[J].,2003,4(6):912.[8],,,.[J].,2003,25(6):323325.[9]KubaT,WachtmeisterA,vanLoosdrenchtMCM,etal.Effectofnitrateonphosphorusreleaseinbiologicalphosphorusremovalsystems[J].WatSciTech,1994,30(6):263269.[10]KubaT,vanLoosdrenchtMCM,HeijienJJ.PhosphorusandnitrogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdeposphatationandnitrificationinatwosludgesystems[J].WatRes,1996,30(7):17011710.DENITRFYINGPHOSPHORUSREMOVALBYA2NSBRPROCESSLIYongzhi1,LIAnan1,PENGYongzhen2,LIYuxing1(1CollegeofChemicalandEnvironmentalEngineering,BeijingTechnologyandBusinessUniversity,Beijing100037,China;2CollegeofEnvironmentalandEnergyEngineering,BeijingUniversityofTechnology,Beijing100022,China)Abstract:ExperimentswereconductedbyusingA2NSBRprocesstotreatthedomesticwastewater.WhentheconcentrationofCOD,phosphorusandammoniaofinfluentwas325mg/L,91mg/Land65mg/Lrespectively,theconcentrationofammoniaandphosphoruswas33mg/Land017mg/L.Theefficiencyofnitrogenandphosphorusremovalwas95%and98%.TheC/NofinfluenthadimportantinfluenceonthenitrogenandphosphorusremovalofA2NSBRprocess.ThebestefficiencyofnitrogenandphosphorusremovalcouldbeattainedattheC/Nofinfluentwas5.WhenC/Nwaslower5,theefficiencyofnitrogenandphosphorusremovalwasalldecreased.WhenC/Nwashigher5,theefficiencyofnitrogenremovalwasnotinfluencedbuttheefficiencyofphosphorusremovalwasdecreased.Keywords:domesticwastewater;denitrifyingdephosphatation;anoxicphosphorusuptake;biologicalphosphorusremoval;denitrifyingphosphateaccumulationorganisms(:)14()20071