A3OMBR工艺反硝化除磷性能研究

A3/O-MBＲ610065A3/O-MBＲγ100%α100%、200%、300%。IIρCOD50mg/L。200%TN、TP75.46%88.94%ρTN、ρTP14.97mg/L0.48mg/L。/200%95.47%II23.07mg/L0.2136g/d。A3/O-MBＲDOI10.13205/j．hjgc．201605010PEＲFOＲMANCEOFDENITＲIFYINGPHOSPHOＲUSＲEMOVALINA3/O-MBＲPＲOCESSFENGYuan-pingPUWei-xiaoCHENWen-qingCollegeofArchitectureandEnvironmentSichuanUniversityChengdu610065ChinaAbstractInordertoexplorenitrogenandphosphorusremovalbyself-designedA3/O-MBＲprocessthepaperusedthesyntheticdomesticsewageastreatmentobjectfocusedonthecharacteristicsofdenitrifyingphosphorusremovalwheninternalreturnratioγof100%andnitraterecyclingratioαof100%200%300%respectively．TheresultsshowedthatanoxiczoneIIwasakeyprocesstodenitrifyingphosphorusremovalandthesystemhadexcellentperformanceofsimultaneousnitrogenandphosphorusremovaltheeffluentconcentrationofCODwaslessthan50mg/L．Whentheαwas200%theremovalrateofTNTPwerethebest．TheaverageeffluentconcentrationofTNTPwere14.970.48mg/Landtheaverageremovalefficiencieswere75.46%and88.94%．Meanwhilethroughthestaticphosphorusrelease/absorptionteststhehighestproportionofDPAOswas95.47%whenαwas200%correspongingphosphoruscontentofthesludgeanoxiczoneIIwasupto23.07mg/Landthemaximumphosphorusuptakewas0.2136g/d．KeywordsA3/O-MBＲprocessnitraterecyclingratiodenitrifyingphosphorusremovaldenitrifyingphosphateaccumulatingorganismsDPAOs2015－09－1401。2-3。DPAOs-β-PHB。“”4。5-7。A2/O、CASS、UCT、Phostrip、SBＲ8、39-10。11164EnvironmentalEngineering23“”。A3/O-MBＲUCT。11.1A3/O-MBＲ1、I、II、44447L。、、、MBＲ。。。1A3/O-MBＲFig．1A3/O-MBＲprocess1.2、NH4Cl、KH2PO4NaHCO3、MgSO4CaCl2。1Table1Thesyntheticdomesticsewagecharacteristicsmg/LρCODρBOD5ρNH+4－NρNO－3－NρTNρTPC/NCaCO3300±10172±860＜1604540015dCOD、、TP。1.3γ100%α100%、200%、300%30d。30L/d15dQwzhu12ρDO＜0.1mg/L0.1～0.5mg/L2mg/L。1.4CODTPNH+4－NNO－3－NTN－OＲPDOpHpH。13。22.12COD、NH4－N、TN、TPCOD、COD50mg/LA。100%200%97.45%、94.32%1.533.41mg/LA。、200%75.46%14.97mg/LA200%88.94%0.48mg/LA。。2.2COD2CODCODCODCOD12.8720.2433.61mg/L95.71%、93.00%88.80%COD。CODPHBⅠCOD74WaterPollutionControl2Table2ＲemovalofvariouspollutantsunderdifferentnitraterecyclingratioⅠα=100%Ⅱα=200%Ⅲα=300%/mg·L－1/mg·L－1/%/mg·L－1/mg·L－1/%/mg·L－1/mg·L－1/%COD300.012.8795.71289.120.2493.00300.133.6188.80NH+4－N60.01.5397.4560.13.4194.3260.016.3572.75NO－3－N0.214.44—0.212.09—0.37.38—TN61.217.9070.7561.014.9775.4660.929.4951.58TP4.261.6760.804.340.4888.944.282.3245.79ⅠⅡⅢ。2Ⅰ～ⅢCODFig．2TheevolutionofCODchangealongthesysteminstageⅠ～ⅢCOD、ⅠIICOD14COD15CODCOD。2.33Ⅰ～Ⅲ。I。PHBI。4ⅡⅡ。200%Ⅱ0.3550.2136g/dTPⅠⅡⅢ。3Ⅰ～ⅢFig．3TheevolutionofTPchangealongthesysteminstageⅠ～Ⅲ88.94%。4ⅡⅡ。100%200%0.108g/d0.2136g/d300%0.0915g/dTP45.79%。ⅠⅡⅢ。4Fig．4Phosphorusreleaseanduptakeindifferentstages84EnvironmentalEngineering200%0.351g/d。300%0.23g/d。2.43ⅠⅠ0.49380.5220g/d55.3%Ⅰ。ⅡⅠⅡ0.37530.5718g/d51.8%Ⅱ。ⅢⅠⅠTN0.8313g/dⅢ。3Table3TheTNremovalinreactionzonesindifferentstagesg/dⅠⅡⅠα=100%0.49380.52200.14490.1506Ⅱα=200%0.37530.57180.62880.2250Ⅲα=300%0.46590.83130.1365－0.51842.516/。1ＲDPAO=qan/qan+qae1ＲDPAO%qanmg/g·hqaemg/g·h。Ⅰ、Ⅱ、Ⅲ88.96%、95.47%86.98%。5Ⅰ、Ⅱ、Ⅰ、ⅡⅠ9.4914.3118.2127.69mg/LⅡ9.2121.4923.0732.64mg/LⅢ17.4314.5513.4414.28mg/LⅢ。ⅡⅡ23.07mg/gⅡ。ⅠⅡⅢ。5Fig．5TPcontentofsludgeindifferentstages31A3/O-MBＲCOD、COD50mg/L。100%200%90%。2ⅡTN、TP。200%Ⅱ0.2136g/dρTP0.48mg/L88.94%ρTN14.97mg/L75.46%。3200%95.47%。9094WaterPollutionControl7CastroLMPioCAHarrisonＲMetal．CarbonaceousaerosolinurbanandruralEuropeanatmospheresestimationofsecondaryorganiccarbonconcentrationsJ．AtmosphericEnvironment199933172771-2781.8LinJimJTaiHuashan．ConcentrationsanddistributionsofcarbonaceousspeciesinambientparticlesinKaohsiungCityTaiwanJ．AtmosphericEnvironment200135152627-2636.9EeftensMPhuleriaHCMeierＲetal．SpatialandtemporalvariabilityofultrafineparticlesNO2PM2.5PM2.5absorbancePM10andPMcoarseinSwissstudyareasJ．AtmosphericEnvironment201511160-70.10．PM2.5PM10J．201327170-74.11SunYeleZhuangGuoshunTangAohanetal．ChemicalcharacteristicsofPM2.5andPM10inHaze-FogEpisodesinBeijingJ．EnvironmentalScience＆Technology200640103148-3155.12．PM2.5D．2012.13．PM10PM2.5J．2007275599-603.14．、PM2.5J．201537417-20.15．PM2.5J．2007185645-654.16．PM2.5J．2014374124-129.17ChowJCWatsonJGLuZetal．DescriptiveanalysisofPM2.5andPM10atregionallyrepresentativelocationsduringSJVAQS/AUSPEXJ．AtmosphericEnvironment199630122079-2112.18TurpinBJHuntzickerJJ．IdentificationofsecondaryorganicaerosolepisodesandquantitationofprimaryandsecondaryorganicaerosolconcentrationsduringSCAQSJ．AtmosphericEnvironment199529233527-3544.19CastroLMPoiCAHarrisonＲMetal．CarbonaceousaerosolinurbanandruralEuropeanatmospheresestimationofsecondaryorganiccarbonconcentrationsJ．AtmosphericEnvironment199933172771-2781.20YeDiZhaoQiJiangChangtanetal．CharacteristicsofelementalcarbonandorganiccarboninPM10duringspringandautumninChongqingChinaJ．ChinaParticuology200754255-260.21ZhangFanWangZuwuChengHairongetal．SeasonalvariationsandchemicalcharacteristicsofPM2.5inWuhancentralChinaJ．ScienceofTheTotalEnvironment201551897-105.1991－。櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅[e-mail]indicatorstoassessenvironmentalstatuswithintheEuropeanmarinestrate