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OAA/SBR112231.0100512.0710013.061000OAA/SBR0.04~0.09kg-COD/kgMLSS·d0.25~0.63kgCOD/kgMLSS·d。OAA/SBR。OAA/SBRTN88.8%97.1%TN5.872.15mg/LCOD90%COD39mg/L《》GB18918—2002A。OAA/SBRX703C1000-4602201619-0080-04ZD201511NJZY16084ZD20131061Anti-shockLoadingPerformanceofOAA/SBRProcessinBiologicalNitrogenRemovalLIHui-dong1ZHANGLin12LIUJun-liang2GAOGui-zhi31.CollegeofCivilEngineeringInnerMongoliaUniversityofTechnologyHohhot010051China2.CollegeofUrbanandRuralConstructionAgriculturalUniversityofHebeiBaoding071001China3.DepartmentofCivilEngineeringHebeiUniversityofWaterResourcesandElectricEngineeringCangzhou061000ChinaAbstractThenewOAA/SBRprocesswasutilizedtotreatnitricwastewaterandthepollutantre-movalefficiencyatlowloadingrateof0.04to0.09kgCOD/kgMLSS·dandhighloadingrateof0.25to0.63kgCOD/kgMLSS·dwasinvestigated.TheresultsrevealedthatthelevelofloadingratehadinfluenceontheactivityofmicroorganismsintheOAA/SBRsystemandunderdifferentloadsdifferentmicrobialstrainswouldobtaincompetitiveadvantageinthesamereactor.OAA/SBRhadastrongcapa-bilityofanti-shockloadingandincreasingloadingratewasfavorableforthebiologicalnitrogenremovalinthesystem.UnderthetwokindsofloadingratesabovementionedtheremovalratesofTNwere88.8%and97.1%withtheeffluentTNconcentrationsof5.87mg/Land2.15mg/LrespectivelyandtheremovalratesofCODwerebothmorethan90%withtheaverageeffluentCODconcentrationofbe-low39mg/LwhichcouldmeetthefirstlevelAcriteriaspecifiedintheDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlantGB18918-2002.·08·3219201610CHINAWATER&WASTEWATERVol.32No.19Oct.2016KeywordsOAA/SBRprocessbiologicalnitrogenremovalshockloadingstability1~4OAA/SBR///。OAA/SBR。OAA/SBR、。11.1OAA/SBR1。OAA/SBR90mm、2000mm190mm、1000mm190mm、1000mm400mm×800mm×400mm。、、、、、、。。、、。283794979786曝气混合液回流175897101进水79977979出水污泥排放1.蠕动泵2.预曝气池3.缺氧池4.厌氧池5.间歇曝气池6.空气压缩机7.阀门8.搅拌机9.取样口10.溢流口1OAA/SBRFig.1FlowchartofOAA/SBRprocess1.218.3~26.2℃。1~45d20.022m3、、、HRT2、2、2、4h150%MLSS2.35~3.89g/L0.04~0.09kgCOD/kgMLSS·dDO1.0~2.3、3.1~4.1mg/L0.5h、1/3。46~90d20.022m3、、、HRT2、2、2、4h150%SRT30dMLSS4.21~5.08g/L0.25~0.63kgCOD/kgMLSS·dDO1.5~2.5、3.5~4.5mg/L0.5h、1/3。/、、。COD<50mg/L、NH+4-N90%。1.3COD、NH+4-N、NO-3-N、TN、PO3-4-P72~180、40.1~75.2、0.8~1.5、42.5~78.5、1.5~2.3mg/LpH7.2~8.0COD、NH+4-N、NO-3-N、TN、PO3-4-P635~1500、52.5~83.5、0.9~1.5、54.0~85.0、1.8~2.9mg/LpH7.4~8.3。1.4NH+4-NNO-3-NNO-2-NN-1--CODTN-pHPHB-5pHMLSS。22.1OAA/SBRCOD·18·.watergasheat.comOAA/SBR32192。、COD。60%55%。CODCODCODCOD。CODDOCOD。1009080706050403020100COD去除率/%预曝气区缺氧区厌氧区间歇曝气区低负荷高负荷2CODFig.2RemovalrateofCODindifferentunitsCOD。CODCOD。CODCOD。、CODCOD、。CODCOD。COD。OAA/SBR。2.2OAA/SBRTNNH+4-N3。TN88.8%97.1%93.2%98.3%TN5.872.15mg/LC/NNH+4-N96.6%97.6%。TNNO-x-N。DONO-3-NNO-2-N、TNNH+4-N。进水TN出水TNTN去除率进水NH4-N出水NH4-NNH4-N去除率1009080706050403020100浓度/(mg·L-1)10510095908580去除率/%2468101214161820高负荷低负荷+t/d++3OAA/SBRTN、NH+4-NFig.3RemovalefficiencyofTNandNH+4-NinOAA/SBR2.3、OAA/SBRCODCOD90%TN85%。COD4.6~12.7mg/L8.7mg/LCOD34.8~47.6mg/L38.9mg/L。COD①COD·28·3219.watergasheat.com、5CODCODCOD②CODCODCOD③OAA/SBRDO1.8、3.7mg/LDO2~4mg/LDOO2DO。、OAA/SBRTN2.155.87mg/L。BOD5/TKN≥46。C/N27。DO。。C/NTN96%。OAA/SBR、TN。OAA/SBRCODTN《》GB18918—2002A。OAA/SBR、。3①OAA/SBRCOD。。②OAA/SBR。、TN93.2%98.3%TN5.872.15mg/L。NO-x-NNH+4-N。③OAA/SBR、CODTNA。1KhinTAnnachhatreAP.Novelmicrobialnitrogenre-movalprocessesJ.BiotechnolAdv2004227519-532.2.D.2013.3.J.200925983-86.4.A2/OJ.200925137-9.5.J.2008132-35.6.M.2009.7.C/NJ.2009292225-230.1974-、、。E-maillihuidong@imut.edu.cn2016-03-21·38·.watergasheat.comOAA/SBR3219
本文标题:OAASBR生物脱氮工艺的抗冲击负荷性能李会东
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