A2O工艺用于城镇污水处理厂的升级改造孙丽娜

A2/O111211．3001912．3001913×104m3/d《》GB18918—2002B。A2/O。、。X703C1000－4602201424－0080－04ApplicationofA2/OProcesstoUpgradingandＲetrofittingofMunicipalSewageTreatmentPlantSUNLi-na1LIUHua1CHENXi-jian1LIJing2YANYu-rong11．TianjinAcademyofEnvironmentalSciencesTianjin300191China2．TianjinUnitedEnvironmentalEngineeringDesignCo．Ltd．Tianjin300191ChinaAbstractThedesigncapacityoftheupgradingandretrofittingprojectofJinnanDistrictHuanxingWastewaterTreatmentPlantwas30000m3/dandtheeffluentdischargestandardswereupgradedfromthesecondclasscriteriatofirstclassBcriteriaspecifiedintheDischargeStandardofPollutantsforMu-nicipalWastewaterTreatmentPlantGB18918－2002．TheprojectwasdesignedtouseA2/Oprocessandtheeffluentqualitymetthedischargestandards．Thedesignmeasuresandoperationoftheupgra-dingandreconstructionprojectwereintroduced．Keywordswastewatertreatmentplantupgradingandretrofittingnitrogenandphosphorusremoval1BOT20033×104m3/d《》GB18918—2002。2011《》GB18918—2002B。22.1BOT、1。/////+。1Tab．1OriginaldesignwastewaterqualityCOD/mg·L－1BOD5/mg·L－1SS/mg·L－1NH3－N/mg·L－1TP/mg·L－1pH4502002503546～910030302536～9COD300～600mg/LBOD580～300mg/LNH3－N15～50mg/·08·3024201412CHINAWATEＲ＆WASTEWATEＲVol．30No．24Dec．2014LTP3～9mg/LSS100～500mg/L。。。2.23×104m3/d《》GB18918—2002B。、2。2Tab．2Improveddesignwastewaterqualitymg·L－1CODBOD5SSNH3－NTPTN5003004003545060202081202.3。。A2/O。AB①30m②SS③TPTP④。1。1Fig．1Flowdiagramofwastewatertreatmentprocess2.42.4.1。4221。。2.4.2。3．05m。。2.4.3SS。SS。·18·．watergasheat．comA2/O3024。32m×14m×4．7m14．3m3/m2·h1h。2.4.4。。、、、。1750m31．4h44kW3500m32．8h84kW。2.4.5。2050m31．6h44kW。。。0．3m4．5m6075m34．9h。、。290m3/min60kPa110kW2。2.4.6BOD3620m32．9h。MBBＲ。、1MBBＲ。321200%。2.4.7。。30m×4m0．88m3/m2·h。30%。。321630m3/h60kPa18．5kW。2.4.8。8m×8m×4m4221600m3/h100kPa30kW。2.4.9。COD、SS。24．5m×16．5m×5．8m4．8m3/m2·h。212m。2.4.102。19．6m×7．34m×6．1m62m8．7m/h。2.4.11。。2.4.12、。8m。·28·3024．watergasheat．com2．5m2m。。320133《》GB18918—2002B。320133—12。3Tab．3Ｒunningeffectofwastewatertreatmentprocess/m3·d－1BOD5/mg·L－1COD/mg·L－1NH3－N/mg·L－1TN/mg·L－1TP/mg·L－1SS/mg·L－1324700247833943200．532144．70．61898419350194737147230．738154．60．4216552180016092574524036174．30．41517626050158102284222034214．10．31697728090625．21624319125173．50．9106682986098619246221．229163．90．892693036088111864721030174．60．3895102046014272444923635183．90．6956112295010852394320032203．80．710981228550142725648171．329173．70．9104154mg/LSS。。MBBＲ。25000．31kW·h/m3。4、、、。。。1．MBBＲJ．201329259－61．2．J．201026157－59．1978－。[e-mail]2014－04－09·38·．watergasheat．comA2/O3024