分段式SBR与传统SBR工艺的对比研究

SBRSBR,,,(,430079):SBR,,SBR,SBR;SBRSBRSBR:SBRCODNH+42N97.33%96.63%99.76%;SBRCODNH+42N96.98%93.45%98.63%;SBRCODNH+42N95.87%88.47%98.15%,SBRSBRNH32N:SBR;SBR;;:X70311:A:167121556(2008)01200702043ResearchontheComparisonofStagedSBRandConventionalSBRHUYuan2zhi,SONGBi2yu,SUNQing,LIUJing(SchoolofResourceandEnvironmentalScience,WuhanUniversity,Wuhan430079,China)Abstract:AerationandsedimentationprocessofconventionalSBRweredividedintoseveralstagesintime,andundertheconditionsofdifferentstagesofanaerobic/oxic/anoxicalternation,theresearchwasmadeontheoperationofthestagedSBRandthecomparisonofstagedSBRandconventionalSBR.TheoptimumprocessingconditionsoftheconventionalSBR,two2stageSBRandthree2stageSBRwereachievedbyde2signingorthogonalexperiments.TheresultsshowedthattheremovalrateofCOD,NH+42Nandtotalphosphorof97.33%,96.63%and99.76%wereobtainedbyusingthree2stageSBR,theremovalrateofCOD,NH+42Nandtotalphosphorof96.98%,93.45%and98.63%wereobtainedbyusingtwo2stageSBR,andtheremovalrateofCOD,NH+42Nandtotalphosphorof95.87%,88.47%and98.15%wereobtainedbyusingconventionalSBR.ItcanbeseenthatthestagedSBRhasbetterremovalrateoforgan2isms,nitrogenandtotalphosphorthantheconventionalSBR.Keywords:stagedSBR;conventionalSBR;nitrogenremoval;phosphorremoval0,,,SBR[1]SBR[2]SBR[35],SBR,[6,7],,SBR[8,9]SBRSBR,SBRSBR,,,,SBRSBR15120083SafetyandEnvironmentalEngineeringVol.15No.1Mar.20083:2007205221:2007207204:(1985),,,E2mail:[e-mail]11.1,CODCrNH+42NP,NaHCO3pH11(mg/L)Table1Influentindexes(mg/L)COD20001500.155195.616.51.2,SBR1,1L,,,DOpH1SBRFig.1SBRexperimentandcontrolsystem1.;2.;3.;4.;5.YSI55/552D;6.;7.pH;8.pHS22C;9.;10.;11.1.3SBRSBRSBR,10h,,1/3,MLSS=3000mg/L,SBR:7h30min30min60min1hSBR:3h45min15min30min3h45min15min30min1hSBR:2h30min10min20min2h30min10min20min2h30min10min20min1hSBRSBR,33,22Table2FactorsandlevelsoforthogonaltestdesignABCpH//(m3h-1)17.5200.1528.0250.2038.5300.251.4CODNH+42N[10],COD,NH+42N,,22.1SBRSBR33SBR(mg/L)Table3EffluentindexesofconventionalSBR(mg/L)COD1104.028.5910.462288.822.8890.3243127.236.9931.923484.027.0230.532591.223.3340.5186140.030.5803.3947104.017.2920.4488136.029.9512.5969164.033.1674.611SBR,R,COD,:pH,CODpH8.0200.25m3/h,COD2000mg/L,171:SBRSBRCOD82.5mg/L,95.87%,:pH,pH8.0200.25m3/h,150mg/L,17.292mg/L,88.47%,:pH,pH7.5200.25m3/h,16.5mg/L,0.305mg/L,98.15%2.2SBRSBR44SBR(mg/L)Table4Effluentindexesoftwo2stageSBR(mg/L)COD1115.234.9094.367267.218.7690.749362.415.0641.9234108.819.4790.715580.016.4990.618668.020.6100.3107160.020.6100.5898152.016.3050.243965.69.8280.310SBR,R,COD,:pH,CODpH7.5300.20m3/h,COD2000mg/L,COD60.4mg/L,96.98%,:pH,pH8.5300.20m3/h,150mg/L,9.828mg/L,93.45%,:pH,pH8.5300.25m3/h,16.5mg/L,0.225mg/L,98.63%2.3SBRSBR5SBR,R,5SBR(mg/L)Table5Effluentindexesofthree2stageSBR(mg/L)COD164.018.2950.420256.08.4320.040396.014.3550.052480.012.9850.1505128.05.7570.046696.016.1130.618756.010.3400.097864.010.3400.071983.210.9900.203COD,:pH,CODpH8.5200.20m3/h,COD2000mg/L,COD53.5mg/L,97.33%,:pH,pH8.5250.25m3/h,150mg/L,5.056mg/L,96.63%,:pH,pH8.5250.25m3/h,16.5mg/L,0.038mg/L,99.76%SBRSBR20mg/L,,,:SBRSBRSBR,SBRSBRSBR,,,,,,PHB,,PHB,27153SBRSBRSBRCODNH+42N95.87%88.47%98.15%,SBRCODNH+42N96.98%93.45%98.63%,SBRCODNH+42N97.33%96.63%99.76%COD,,:[1],,,.SBR[J].,2002,23(2):50-54.[2]Jones,W.L.Operationofathree2stageSBRsystemfornitro2genremovalwastewater[J].ResearchJournalWPCF,1990,62(3):268-273.[3],,,.SBR[J].,1999,15(3):54-56.[4].SBR[D].,2004.[5]Bue,T.H.,S.Soo.,T.M.Tak.Membranesequencingbatchreactorsystemforthetreatmentofdairyindustrywastewater[J].ProcessBiochemistry,2003,39(2):221-231.[6],,,.SBR[J].,2001,22(2):87-90.[7],./SBR[J].,2001,22(4):117-119.[8]Pierson,J.A.,S.G.Pavlostathis.Real2timemonitoringandcontrolofsequencingbatchreactorsforsecondarytreatmentofapoultryprocessingwastewater[J].WaterEnvironmentRe2search,2000,72(5):585-592.[9]Yu,R.F.,S.L.Liaw,C.N.Chang,etal.Applyingreal2timecontroltoenhancetheperformanceofnitrogenofnitrogenre2movalinthecontinuous2flowSBRsystem[J].Wat.Sci.Tech.,1998,38(3):271-280.[10].[M].:,1989.:(1963),,,,E2mail:[e-mail](69)[12],,.[J].(),2004,44(6):766-769.[13],,,.[J].,2002,6(11):546-551.[14],,,.EPS[J].,2004,24(4):613-618.[15]Wiln,B.M.,B.Jin,P.Lant.Theinfluenceofkeychemicalcon2stituentsinactivatedsludgeonsurfaceandflocculatingproper2ties[J].Wat.Res.,2003,37:2127-2139.[16],,.[J].,2004,24(5):623-626.[17],,,.[J].,2007,28(4):795-799.[18]Jin,B.,B.M.Wiln.Acomprehensiveinsightintofloccharac2teristicsandtheirimpactoncompressibilityandsettleabilityofactivatedsludge[J].Chemical.EngineeringJournal,2003,95:221-234.[19]Forster,C.F.Factorsinvolvedinthesettlementofactivatedsludge-I:Nutrientsandsurfacepolymers[J].Wat.Res.,1985,19(12):1259-1264.[20]Goodwin,J.A.S.,C.F.Forster.Afurtherexaminationintothecompostionofactivatedsludgesurfacesinrelationtotheirset2tlingcharacterisitic[J].Wat.Res.,1985,19(4),527-533.[21]Chao,A.C.,T.M.Keinath.Influnceofprocessloadingintensityonsludgeclarificationandthickeningcharacteristics[J].Wat.Res.,1979,13(10):1213-1223.[22],,,.Ca2+pH[J].,2004,24(4):437-441.[23],,,.[J].,2004,5(5):