EGSBBAF集成系统实现厌氧氨氧化甲烷化和短程硝化反硝化张代钧

EGSB-BAF张代钧1,2,阎青1,祖波1,31.,4000302.,,4000303.,400074:(EGSB)(BAF),EGSBBAF,BAFEGSB,,,Q()50mgPLQ(CODCr)500mgPL.:200%,CODCr,9214%,9714%8016%;Q(),Q(),Q()Q(CODCr)1105,4130,21563513mgPL;CODCr,11770,0113701164kgP(m3#d).,EGSB-BAF1103LPd,CODCr3710%;,3519%,4714%,1617%.:EGSB-BAF;;;:X703:A:1001-6929(2009)04-0467-06AnaerobicAmmoniumOxidation,MethanogenesisandShortcutNitrification-DenitrificationbyEGSB-BAFIntegratedSystemZHANGDai-jun1,2,YANQing1,ZUBo1,31.DepartmentofEnvironmentalScience,ChongqingUniversity,Chongqing400030,China2.KeyLaboratoryofSouthwestChinaResourcesExploitation&EnvironmentalDisasterControlEngineering,StateMinistryofEducation,ChongqingUniversity,Chongqing400030,China3.SchoolofRiverandOceanEngineering,ChongqingJiaotongUniversity,Chongqing400074,ChinaAbstract:Anaerobicammoniumoxidation,methanogenesisandshortcutnitrification-denitrificationweresuccessfullycoupledinasystemintegratingEGSBandBAFreactorswithoutaddingNO2--Nintheinfluent.TheeffluentofEGSBwastreatedbyshortcutnitrificationinBAF,whiletheeffluentofBAFwasrecycledtoEGSBtoprovideNO2--Nforthelatter.AsyntheticwastewatercontainingQ(CODCr)of500mgPLandQ(NH4+-N)of50mgPLwastreatedbytheEGSB-BAFintegratedsystemwithdifferentouterrecycleratiosused.TheexperimentalresultsdemonstratedthattheremovalefficienciesofCODCr,NH4+-Nandtotalnitrogenreached9214%,9714%,and8016%respectivelyattheouterrecycleratioof200%.TheQ(NH4+-N),Q(NO2--N),Q(NO3--N),andQ(CODCr)intheeffluentofthesystemwere1105,4130,2156,and3513mgPLrespectively.TheremovalloadingratesofCODCr,totalnitrogenandammoniumwere11770,01137,and01164kgP(m3#d)respectively.Comparedwiththeconventionalactivatedsludgeprocess,theEGSB-BAFintegratedsystemreclaimedCH4of1103LPdfromthewastewater,whichwasabout3710%oftheCODCrremovalinthesystem.Inthetotalnitrogenremovalofthesystem,anaerobicammoniumoxidationaccountedforabout3519%,shortcutnitrificationanddenitrificationabout4714%,andcompletenitrificationanddenitrificationabout1617%.Keywords:EGSB-BAFintegratedsystem;anaerobicammoniumoxidation;methanogenesis;shortcutnitrification-denitrification:2008-07-04:2008-10-06:(50378094):(1963-),,,,,,[e-mail].,-,.,,22420094ResearchofEnvironmentalSciencesVol.22,No.4Apr.,2009DOI10.13198/j.res.2009.04.89.zhangdj.018.,2:;[1].,[2-3],(BAF)[4-5].(EGSB)(BAF),EGSBBAF,BAFEGSB,,[6].,BAFEGSB(),,,.11,EGSB,BAF..EGSB215L,61mm,P13.BAF61mm,690mm,30mm,(5134mm)600mm,60mm,210L.EGSBBAF,,32~35e;,pH713~813.EGSB4186mPh,BAFQ(DO)018~112mgPL.2,EGSBHRT412h,CODCr+,Q(CODCr)500mgPL,Q1(NH4)2SO42716mgPL,Q(KH2PO4)3104mgPL,Q(K2HPO4)3196mgPL,Q(NaHCO3)2000mgPL,Q(NH4Cl)14816mgPL,Q(NaNO2)18715mgPL.240d,,CODCr,,85%,35%,9919%67%1BAF13mLPmin,Q()50mgPL,Q(CODCr)(+)100mgPL,200%20d,Q()011mgPL,Q(CODCr)30mgPL,Q()45mgPL,Q()5mgPL,BAF.1);2);3);4);5);6);7);8);9);10);11);12);13);14);15);16);17);18);19);20)pH;21)DO;22);23);24)1EGSBFig.1SchematicflowchartfortheintegrationofEGSBreactorandBAFreactorBAF,EGSB,2,100%,200%,300%500%,.13mLPmin,Q(CODCr)(+)500mgPL,Q1(NH4)2SO42716mgPL,Q(KH2PO4)3104mgPL,Q(K2HPO4)3196mgPL,Q(NaHCO3)2000mgPL,Q(NH4Cl)14816mgPL;210mLPL1:Q(EDTA)510gPL,Q(FeSO4#7H2O)510gPL,Q(ZnSO4#7H2O)212gPL,Q(CoCl2#6H2O)116gPL,Q(CaCl2#2H2O)515gPL,Q(MnCl2#4H2O)510gPL,Q(CuSO4#5H2O)116gPL,Q(MgSO4#7H2O)510gPL,Q1(NH4)6Mo7O24#4H2O2111gPL,Q(NiSO4#6H2O)0142gPL.N-(1)-Q();Q();Q(CODCr);Q(MLSS);pHpH,[7].2EGSB-BAF60d.10d,.2.12.1.146822EGSB,EGSBQ()Q()0.BAFEGSB,.2,100%,BAFEGSB,,BAF()Q()Q();200%,BAFQ()4130mgPL,Q()2156mgPL.,EGSB,EGSB,Q()Q().2Q()Q()Fig.2Theeffectofouterrecycleratioonthemassconcentrationofnitriteandnitrateinthesystem2.1.23,100%,6815%.,BAF,,;,EGSB(2),EGSB,.200%,,BAFQ()1105mgPL,8016%.,BAF,;,EGSB,.3Q()Q()Fig.3Theeffectofouterrecycleratioonthemassconcentrationofammoniumnitrogenandtotalnitrogeninthesystem2.1.3CODCr4,EGSBQ(CODCr)450mgPL,EGSBQ(CODCr)110mgPL,BAFQ(CODCr)40mgPL,.,,EGSB.4Q(CODCr)Fig.4TheeffectofouterrecycleratioonthemassconcentrationofCODCrinthesystem5200%Q(CODCr)Fig.5ThevariationofmassconcentrationofCODCrinthesystemattheouterrecycleratioof200%2.2200%5,6,200%,CODCr,4694:EGSB-BAF6200%Q(),Q()Q()Fig.6Thevariationsofmassconcentrationofammoniumnitrogen,nitrite,andnitrateinthesystemattheouterrecycleratioof200%Q()Q(),57d.,1,2.2,EGSB,CODCr,,.1200%Table1Thestableoperationperformanceforthesystemattheouterrecycleratioof200%QP(mgPL)EGSBEGSBBAFP%40150121501107971401035041360)013802157)CODCr4611310514351492134019121581080142200%Table2Massbalanceinthesystemattheouterrecycleratioof200%P(kgPd)P(kgPd)P%EGSBBAFEGSBBAFCODCr8164@10-34104@10-33193@10-37197@10-3501749136162@10-71164@10-4-2145@10-4-8109@10-5))7106@10-61103@10-4-1144@10-4-4110@10-5))7157@10-49155@10-56142@10-47137@10-4121987117165@10-43163@10-42153@10-46115@10-458194111:.33.1EGSB,=11311@[8].2,[e-mail],EGSB1125@10-4kgPd,(-)319@10-5kgPd,1103@10-4kgPd(2).,EGSB,6019%,1017%,2814%.CODCr,CODCr(YH),YHCODCrCODCr.YH0167[9],EGSB(2),CODCr2101@10-48193@10-4kgPd,[e-mail].2,EGSBCODCr4104@10-3kgPd,CODCr,CODCr,CODCr2195@10-3kgPd,1103LPd,EGSBCODCr7219%,CODCr3710%.,EGSBO25180@10-44143@10-5kgPd,CODCr1191@10-31135@10-4kgPd,O26124@10-4kgPdCODCr21