AAO与AO工艺污泥反硝化除磷菌构成研究_高志广

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

20091,,,90%。(2),,。、。,、,,。(3),。,,。(4),,,。,,,,。:[1].———[N].,1994-8.[2],,,.[R].,2004.[3].[R].2004.[4],,,.[J].,2005,(8).[5],,,.、()[J].,2003,10(1):11-12.[6],.[J].,2007,18(3):87-90.[7],.[K].:,1991:138-145.[8],,,.[J].,2007,21(10):88-92.[9],,.[J].,2004,30(124):24-25,28.[10],.[J].,2006,22(6):41-42.[11]GB3838-2002,[S].!!!!!!!!!!!!!!##############################################[]2009-01-07[]、(50138010)[](1978-),(),,,,(Tel)13991295920。AAOAO1,2,2(1.,710075;2.,200092):、。//(AAO)/(AO),。(PO),、(PON)、(PONn)3,AAO354∶16∶30,AO377∶3∶20。PHB。:;;β;;X703A1672-9900200901-0015-04StudyonclassificationofdenitrifyingphosphorusremovalbacteriainAAOunitandAOunitGAOZhi-guang1,ZHOUQi2,GUGuo-wei2(1.NorthwestElectricPowerDesignInstitute,Xi’an710075,China;2.StateKeyLabofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China)Abstrct:Moreandmoreattentionispaidondenitrifyingphosphorusremovalbecauseofitsbrightforegroundoncarbonandenergysaving.Realsewagefed,bench-scale,studyandbatchtestsarecarriedoutwithanaerobic-anoxic-aerobic(AAO)unitandanaerobic-aerobic(AO)unit.Processofphosphorusremovalwithnitrateandnitriteaselectronicacceptorsarerecorded.Phosphorusaccumulativeorganisms(PAOs)intheeachunitisclassifiedintothreeclassesnamedPO(onecanonlyutilizeoxygentotakeupphosphorus),PON(theycanusebothoxygenandnitrate)andPONn(anewgroupofphosphorusremovalbacteria,whichcoulduseoxygen,nitrateornitritetotakeupphosphorus).Accordingtoresultofexperiments,proportionofPO,PONandPONninPAOsofAAOunitandAOunitis54∶16∶30and77∶3∶20respectively.Finally,statisticalrelationshipbetweenPHBdecreaseandphosphorusremovalisdescribed.Keywords:denitrifyingphosphorusremoval;classificationofdenitrifyingphosphorusremovalbacteria;PHB;nitrate;nitrite2080,。,,,·15·20091。/(A/A)SBR[1~3]。,A/A,[4~5],,[6~7]。,AAO。AAOAO,。Hu[8],(DBP)PON(、)PONn(、),PHB。11.11AOAAO。,//1.6h、1.6h4.8h,AOAAO8d12d,2~3mg/L。,。1.2Wachtmeister、Meinhold[9~10],,DBP。:(1)AAO2.6L,3,,2h,、PHB;(2)3,KH2PO4;(3)2,KNO330mg/L。3mg/L;(4),;(5),CODP,PHB;(6)AOAAO。DPB,:(1)AAO2.6L;(2)();(3)2,KNO330mg/L,NaNO230mg/L;(4)KNO3NaNO2,;(5)。AO。1.3、《》[11]。;α,752N。PHB、、、,HP-5。22.11,AOAAO3。,,AAO72%。,AAOCOD,CODPHAs,COD。。AAO61%,。2.2DPB、,,。2AAO,AAO(MLVSS=2714mg/L)5.59mgP/(gMLVSS/h),2.57mgP/(gM-LVSS/h)。,AAO46%,AO(MLVSS=2813mg/L)10.80mgP/(gMLVSS/h),2.49mgP/(gMLVSS/h),23%,AAO。AO,AAO,,,PHB,,PO,DPB1/(mg/L)CODCODPPPP/%/%AAO3920795.327.110.60.19972AO3921495.330.6-0.19840,,:AAOAO·16·20091,,PO。,AAO//DPB。2.3DPB[8,12]。(P)PO()DPB,DPBPON(、)PONn(、)。4。AAO(MLVSS=2753mg/L)2.14mgP/(gMLVSS/h),1.40mgP/(gMLVSS/h);AO(MLVSS=1985mg/L)1.47mgP/(gMLVSS/h),1.29mgP/(gMLVSS/h)。DPBPONnPON,AAOAO2。2,AO,AAOPO,DPB。AAOPON/PPONn/PAO,PON/P。AAO,。,,PONn,PON。2.4PHBPHB,,。Keren-Jespersen[13],、PHB。5、6AAOPHB。AAOAO。PHB。2,AOAAOPHB。DPB,AAOPON/P,,PONPONnPHB。3CODPHB2PHBPO/P/%PON/P/%PONn/P/%ΔPΔPHBAAO541630ΔP=3.9962e0.1794ΔPHB()ΔP=2.5052e0.2181ΔPHB()AO77320ΔP=1.7182e0.1576ΔPHB()ΔP=1.7396e0.1832ΔPHB(),,:AAOAO·17·20091,AAO,。,AAOAODPB46%23%,AAO。AAODPB,PONPONn35%65%。AODPB,PONPONn13%87%。AOAAOPHB。:[1]NgWJ,OngSL,HuJY.Denitrifyingphosphorusremovalbyanaerobic/anoxicsequencingbatchreactor[J].WaterScienceandTechnology,2001,144(1):187-194.[2],,,.A/ASBRPHB[J].,2005,27(3):80-84.[3],,./SBR[J].,2003,4(6):9-12.[4],,.[J].,2002,18(9):4-7.[5],,,.[J].,2003,19(3):8-10.[6],,,.A2O[J].,2005,56(8):1565-1570.[7],,,.SUFRCOD[J].(),2005,28(1):121-125.[8]HuJY,OngSL,NgWJ,etal.Anewmethodforcharacterizingdenitrifyingphosphorusremovalbacteriabyusingthreedifferenttypesofelectronacceptors[J].WatRes,2003,37:3463-3471.[9]WachtmeisterA,KubaT,vanLoosdrechtMCM,etal.Asludgecharacterizationassayforaerobicanddenitrifyingphosphorusremov-ingsludge[J].WatRes,1997,31(3):471-478.[10]MeinholdJ,FilipeCDM,DaiggerGT,etal.Characterizationofthedenitrifyingfractionofphosphateaccumulatingorganismsinbiologi-calphosphateremoval[J].WatSciTech,1999,39(1):31-42.[11]《》.()[M].:,1989.[12],,,.[J].,2005,25(5):515-518.[13]JensPeter,Keren-Jespersen,MogensHenze,eta1.Biologicalphos-phorusreleaseanduptakeunderalternationanaerobicandanoxicconditionsinafixed-filmreactor[J].WatRes,1993,27(4):617-624.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![]2009-01-14[](20071D0900500324)[](1975-),(),,,,(Tel)13522700331。Fenton,,,(,101102):Fenton,COD,。30%H2O2400mg/L,Fe2+/H2O2()1∶5,0.5h,pH3,PAC100mg/L。COD70.6%,CODGB8978-1996《》,,。:Fenton;;X703.1A1672-99002009-01-0018-03Studyoncoke-plantwastewatertreatmentbyFentonoxidation-coagulationprecipitationmethodCHENJin-song,WENYi-bo,WANGKai,LITian-zeng(BeijingSoundEnvironmentalProtectionGroup,Beijing101102,China)Abstract:Theeffluentfromsecondarysedimentationtankofcoke-plantwastewaterbiochemicaltreatmentplantwastreatedbyFentonoxidation-coagulationprecipitationmethod.BasedonCODremovalrateandoperatingcost,appropriatereactionconditionswereproposed.Thedoseof30%H2O2was400mg/L.ThemolarrationofFe2+toH2O2was1∶5,andreactiontimeandpHwere0.5hand3respectively.PACdosewas100mg/L.TheresultsshowedthattheremovalratesofCODwas70.6%,andtheCODeffluentqualitysatisfiedthecriteriaspecifiedinIntegratedWastewaterDischargeStandard(GB8978-1996).Theprocessshowedconsiderableoperatingco

1 / 4
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功