A2O工艺用于城镇污水处理厂的升级改造孙丽娜

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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-mailsunlina2001@126.com2014-04-09·38·.watergasheat.comA2/O3024

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