SBR去除废水中的氨氮杜军

23　1　　　Vol.23　No.120001COALCONVERSIONJan.2000SBR去除废水中的氨氮杜　军1)　鲍卫仁2)　李文英3)　朱素渝4)　　　　介绍了循序间歇式反应器用于生物脱氮的基本原理和工艺特点,讨论了影响循序间歇式反应的因素.分析认为循序间歇式生物脱氮工艺是一种新的、不需要外加碳源的脱氮方法,并具有操作灵活、能适应多种处理要求的新工艺.　生物脱氮,循序间歇式反应器,活性污泥法　X7030　引　言,CODBOD,.,,:A/O(/)、A-A/O(-/)、SBR.SBR(se-quencingbatchreactor),IrvineGorony[1,2],.[3～5]1　SBR工艺流程SBR、、、、[6],1.1　SBRFig.1　SchematicrepresentationoftheSBRoperation:,,SBR;BODCODSBR.:,,、.:,,.:.:,,.2　SBR影响因素,SBR.pH、、、.、.SBR,.2.1　.Miller.　1);2);3);4),,,030024　　:1999-10-13SBR,.[7]IrvineSBR90%.[8]NotreDame,A:0.025kgBOD/(kgMLSS·d)B:0.05kgBOD/(kgMLSS·d),1.1　(mg/L)Table1　SummaryofaverageinfluentandeffluentdataforloadAandBWastewatercomponentInfluentEffluentABBOD150.06.04.0SS130.04.02.0NH4+-N22.00.50.3NOx--N0.12.61.4Inorganicnitrogen25.13.31.6Nitrogenremovedrates/%86.094.0　　,,.23.,.2　Table2　SummaryofammoniaoxidationratesLoadOxidationrateskgBOD/(kgMLSS·d)mgNH4+-N/L·hmgNH4+-N/gMLSS·h0.0255.80.90.0508.42.63　Table3　SummaryofoxidizednitrogenremovedratesLoadOxidizednitrogenremovedratesDuringinfluentAfterinfluentkgBOD/(kgMLSS·d)kgNOx--N/(kgMLSS·d)kgNOx--N/(kgMLSS·d)0.0250.50.40.0501.40.7　　Silverstein[9]BOD0.04kgBOD/(kgMLSS·d),0.08kgBOD/(kgMLSS·d)NH4+-N0.01kgNH4+-N/(kgMLSS·d),0.02kgNH4+-N/(kgMLSS·d)SBR,45.4　(mg/L)Table4　SummaryofaverageinfluentandeffluentdataforhighloadandlowloadWastewatercomponentInfluentHighloadLowloadEffluentHighloadLowloadFTOC4002009.46.6NH4+-N100505.20.5Organicnitrogen301512　0.7NOx--N1.63.2Nitrogenremovedrates,%55　93　5　(mg/L)Table5　Summaryofammoniaoxidationandoxidizedni-trogenremovedratesLoadOxidationratesOxidizednitrogenremovedratesLowload0.0220.014Highload0.0110.009.,,.2.2　、、,,SBR,、.PalisIrvineSBRSBR.[10]:9h、13h、1h1h.1#,2#6、,,4h,.,95%.,2#1#.(SS)、,1#,7.NOx--N,,NOx--N,,312.6　2Table6　AlternatingaerationsequencesusedinReactor2Hour/hAerationsequencesHour/hAerationsequences1AN5A2A7AN4AN9A　　Note:A=Aerobic;AN=Anoxic.7　(mg/L)Table7　Summaryofaverageinfluentandeffluentdataforreactor1#and2#WastewatercomponentInfluentEffluent1#2#BOD150.06.06.0SS130.015.06.0NH4+-N22.00.20.5NOx--N0.124.62.6Inorganicnitrogen22.124.43.1Nitrogenremovedrates,%86.030　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　20002　NH3NOx-NFig.2　Oxidizednitrogenandammoniaconcentra-tioninalternatingaeration3　SBR工艺特点,SBR.,SBR,.,,.,SBR.[12](1).,.,,.,,,,,,.SBR,.,,..SBR,,,SBR,,(MLSS).,MLSS(F/M),.,SBR.(2),SBR..、,、;,.,-/,SBR.:()→(,)→→,.(3),SBR,,、,,,.(4),SBR,SVI(sludgevolumeindex)100,.,()().,,,,.SBR.,,,.,,,.,SBR.,.SBR,.(5),.SBR,,,311　　　　　　　　　　　　　　　　　　SBRSBR,,MLSS.,MLSSF/M,.,SBR.(6),SBR、.,,,.4　结束语(1),.(2)COD,pH,.(3)pH、、、,.　　　1　MurthyDUS,AroraML,CopemanJLetal.AnalysisofFull-ScaleSBROperationatGrunelyContonLowa.JWaterPollutControlFed,1987,59(3):132～1382　AllemanJE,IrvineRL.Storage-InducedDenitrificationUsingSequencingBatchReactorOperation.WaterRes,1980,(14):1483～14883　AbufayedAA,SchroederED.PerformanceofSBR/DenitrificationwithaPrimarySludgeCarbonSource.JWaterPollutControlFed,1986,58(5):387～3974　,　,..,199311(1):3～75　ChristensenMH.BiologicalDenitrificationinWaterTreatment:ALiteratureReview.ProgWaterTechnol,1975,47(7):339～3456　.SBR.,1994,(2):17～247　IrvineRL.SequencingBatchTreatmentofWasterwaterinRuralAreas.JWaterPollutControlFed,1979,51(1):244～2548　BarnardJL.BiologicalNutrientRemovalWithouttheAdditionofChemicals.WaterRes,1975(9):485～4909　IrvineRL.MunicipalApplicationofSequencingBatchTreatmentatCulverIndiana.JWaterPollutControlFed,1983,55(5):484～48810　SilversteinJ,SchroederED.PerformanceofSBRActivedSludgeProcesseswithNitrification/Denitrification.JWaterPollutControlFed,1983,55(4):377～38411　PalisJC,IrvineRL.NitrogenRemovalinaLow-LoadSingleTankSequencingBatchReactor.JWaterPollutControlFed,1985,57(1):82～8612　.SBR.,1993,9(2):29～31NITROGENREMOVALINSEQUENCINGBATCHREACTORDuJun　BaoWeiren　LiWenyingandZhuSuyu(ShanxiKeylabofCoalScienceandTechnology,TaiyuanUniversityofTechnology030024,Taiyuan)ABSTRACT　Theprinciplesandprocesscharacteristicofammoniaremovalfromwastewaterbysequencingbatchreactors(SBR)areexplained.TheinfluencingfactorsofcokingwastewatertreatmentbySBRmethodarediscussed.ItisconcludedthatSBRprovidedaviabletreatmentasanalternativefornitrogenremovalandflexibleoperatingwaystosuitvarioustreatments.KEYWORDS　NH3-Nremoval,sequencingbatchreactor(SBR),biochemicalmethod32　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　2000