1211221.2360332.300170。。SSTNA。。X703.1C1000-4602201706-0106-03WinterPerformanceofDeep-bedDenitrificationFilterforNitrogenRemovalZHOUJing-dong1LIXin-kai2ZHANGXiao-yan1LIUYang1YANGLei2ZHANGDong21.FuyangCapitalWaterCo.Ltd.Fuyang236033China2.TianjinChengxinUniversalEnergyConservationandEnvironmentalProtectionTechnologyCo.Ltd.Tianjin300170ChinaAbstractThedeep-beddenitrificationfilterwasusedasthemainunitduringupgradingandre-constructionofYingnanwastewatertreatmentplantinFuyangCityAnhuiProvince.Fullscaleapplica-tionhasshowedthattheSSwasremovedverywellwhiletheeffluentTNconcentrationwasalsocon-trolledtothefirstlevelclassAcriteriaofDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlantGB18918-2002.Inadditiontotheparametersofdesignandoperationtheeffectofdenitrificationinwintertimewassummarizedindetailinthispaper.Withregardtothephenomenonthattheorganiccarbondosagewashigherthanthetheoreticaldemandoforganiccarbonthereasonandsolu-tionwerebothexplainedaswellinthispaper.Keywordsupgradingandreconstructiondeep-beddenitrificationfilternitrogenremovalcarbonsource1。10×104m3/d1.32。5×104m3/d1.1。6×104m3/d1.32。《》GB18918—2002《》GB18918—2002A。22.1+1。CASSCOD、BOD5ASS、TP、·601·33620173CHINAWATER&WASTEWATERVol.33No.6Mar.2017TNA。PAC、PAMSSTPPACTP2.2∶1。、SS、TP、TN。进水格栅+提升泵站曝气沉砂池CASS池配水井+提升泵站高效沉淀池反硝化深床滤池接触消毒池达标排放Fe3+、PAM乙酸钠(碳源)反洗水反洗废水(升级改造增加工艺单元)1Fig.1Technologicalprocessaftertransformation2.2、、1。1、Tab.1Designinfluentandeffluentqualityofdeep-beddenitrificationfiltermg·L-1BOD5CODSSTNTP105020201≤10≤50≤10≤15≤0.52.3①16L×B=20.5m×3.56m5.71m/h9.04m/hHDPE11.9m。②15m3/m2·h21122kW。③90m3/m2·h3P=70kPa21。④。3-4~6℃10~12℃CASSTN15mg/L。3.1SS115SS2。进水出水去除率14121086420SS/(mg·L-1)706050403020100去除率/%123456789101112131415t/d2SSFig.2RemovalefficiencyofSSfordeep-beddenitrificationfilter2SS10mg/LSS5mg/LⅣ。3.2TN。1153。进水出水去除率20181614121086420TN/(mg·L-1)6050403020100去除率/%123456789101112131415t/d3TNFig.3RemovalefficiencyofTNfordeep-beddenitrificationfilter3TN10~17mg/LTN14.1mg/L9.6mg/LA。COD12.8mg/LBOD54.3mg/L。3.3·701·.watergasheat.com33659%BOD50.52g/g。15TN4.1mg/L38mg/L1mgTN9.3mgBOD54.82mg2.86gBOD/g2DO。CASSDOCASSDO5mg/LDO。DO5.61mg/LDO7.49mg/LDO0.25mg/L。1.88mg/LDO3。1mg0.52mg。。、。3.42851.7。、。①0.70/kW·h0.009/m3。②0.079/m3。4①SS“+”SSⅣ。②“”SSTNCODBOD5。③。④、。1.P.ZL201420799460.02014-12-16.2.M.1998.3.M.2013.1969-CASS、、。E-maildongsen08@126.com2016-12-09·801·336.watergasheat.com