A2O工艺用于宁德某污水厂提标改造叶均磊

201809243FujianArchitecture＆ConstructionNo09·2018Vol·243A2O3500011．0×104m3/d。“”A2O、。《》GB18918－2002BA。、。A2OTU992．3A1004－6135201809－0111－04ApplicationofA2OProcesstoUpgradingandReconstructionProjectinNingdeCitySewageTreatmentPlantYEJunleiFuzhouCityConstructionDesign＆ResearchInstituteCo．Ltd．Fuzhou350001AbstractTheoriginaldesigncapacityofawastewatertreatmentplantinNingdeCitywas1．0×104m3/dbiologicalcontactoxidationprocessandconstructedwetlandwasadopted．Throughtheinvestigationandtheanalysisoftheactualinfluentqualityandtheoriginaltreat-mentprocesstheschemeofA2OprocessandadvancedtreatmentprocessesincludingDensadegandclothmediafilterwasputforwardtodealwiththeinfluentwithlowcarbonandhighnitrogenandphosphorus．TheeffluentqualitywasupgradedfromthefirstlevelBtothefirstlevelAcriteriaspecifiedintheDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlantGB18918－2002．Thetreat-mentprocessthedesignparametersandthedesignexperiencearesummarizedandanalyzed．KeywordsUpgradingreconstructionLowcarbonandhighnitrogenandphosphorusA2Oprocess1981．11－。[e-mail]2018－05－1212．0×104m3/d1．0×104m3/d+。《》GB18918－2002B。A。2017。20．5～0．7×104m3/d。20171。1、CODcrBODSSNH3－NTP1172108．90．59217299．10．61320288．60．64827211110．509151815．60．5010201817．20．49A50101050．5①BOD5/TN=3．9②③6h④10℃1⑤ANH3－N、SSTPTN。1。·112·2018133．1、BOD5、CODcr、、SS、TP、TN。1BOD5、CODcr、NH3－N。2SS、TP、、。3TNTN12mg/L。TN。3．2A2O、。2。2A2O“+”3100m24．71900m22．81．2m2．7m6207800．19/m30．27/m3+、A2OA2O、“”。TP、SS。44．1《》GB18918－2002A、3。201809243·A2O·113·3、BOD5CODcrSSTNTPNH3－N150250180353．030≤10≤50≤10≤15≤0．5584．24。4．3A2OBOD、TN、、、、TP、SS2。24．41/1#。。22#28．9m×21．8m1080Φ215EPDM。211Q=417m3/hH=8mN=15kW2Q=50m3/hH=10mN=3．0kW11。R=60%～100%100%～300%2。324m4．0m4．5m。。418．2m×14．85m、、HRT=1．03h。4211Q=27m3/hH=20mN=7．5kW。0．04。510．0m×6．45m、3108m21Na=2.5RPM/min0．37kW321Q=65m3/hH=12mN=4．0kw321Q=10m3/hH=10mN=0．75kW。614．2m×8．6m5．6m。。4312Q=20．5m3/minH=50kPaN=37kW/。。·114·201851A2O。2“”23。3A2O。4、。6A2O。1538．090．33/m3。、。1．J．20083451－2．2．J．201026219－22．3．A2OJ．201329．607①②ζζ③。31、。4。2。3、。4。1JGJ79－2012S．2012．2GB50007－2011S．2011．3DBJ/T13－146－2012S．2012．4．M．2007．