Denite深床反硝化滤池在污水厂升级改造中的应用杨兴豹

檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲殘殘殘殘———Denite1233221120120422140233300074《》GB18918—2002ATN。DeniteTN、SS。TN5mg/L、SS5mg/L、TP05mg/L。41%Denite。DeniteX7031C10004602201112003404ApplicationofDeniteDeep-bedDenitrificationFilterinUpgradingandRetrofittingofWWTPYANGXing-bao1LIJi2KANWei-li3ZHAOXin-ping3TANGCheng-biao2CHENYu2ZHANGChao11SevernTrentServicesShanghai201204China2WuxiDrainageCompanyWuxi214023China3NorthChinaMunicipalEngineeringDesignandResearchInstituteTianjin300074ChinaAbstractManyWWTPsinChinafaceupgradingtomeetthefirstclasscriteriaspecifiedintheDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlantGB189182002andthekeyissueishowtokeepTNmeetingthestandardThepilottestresultsofthethird-phaseprojectofLu-cunWWTPshowthattheDenitefiltercanensuretheeffluentTNandSSmeetthestandardThistech-nologyisusedinthefourth-phaseprojectastheadvancedtreatmentprocessThecommissioningresultsshowthattheeffluentTNSSandTPconcentrationsarelessthan5mg/L5mg/Land05mg/Lre-spectivelyThebackwashcycleis4dandthebackwashwaterrateisabout1%DeniteisproventobeanexcellenttechnologyintheadvancedtreatmentprojectofWWTPsKeywordsDenitedeep-beddenitrificationfilteradvancedtreatmentTN《》GB18918—2002A。SSTPTN1。·43·271220116CHINAWATERWASTEWATERVol27No12Jun201120104m3/d。BOD5/TN4325%15。ATN23TN。DeniteTNTN、SSTPA。15104m3/d12Qh=2500m3/h12。、1。1、Tab1Designinfluentandeffluentqualitymg·L1TNSSTPCODBOD52020250101510055010①。224m24m40m。。175kW。②42683m356m545m/h654m/h。③211Q=1400m3/hH=90kPaP=75kW。321Q=4363m3/hH=71kPaP=132kW。④11、21120%～30%。2Denite40TNSTSTN、SS。A2/O。04m05m183m2～4mm。1。1DeniteFig1FlowchartofDeniteprocess720L/h573m/h545m/h2。2Fig2Removaleffectofpollutants·53·27122DeniteNO3NTNTNA。NO3N4mg/LTN14～24mg/LTN5mg/L。DeniteTNA。3①。SSA。TN。②。STS/Tetra。③。、2%。④。。⑤。TNTN3mg/L。44.1Denite20105311120。62800TN139mg/L、NO3N118mg/LTN356mg/L、NO3N268mg/LSS5～10mg/LSS。2。6452510。69300。2。2DeniteTab2CommissioningdataofDenitefilter/m3·h1COD/mg·L1TN/mg·L1NO3N/mg·L1NH+4N/mg·L1SS/mg·L1TP/mg·L15318006002341371531611451460297022350025601996180060014537514110512810002810581020401216280063032527613935611826803290308600102007956380075027623516831715107010210294800984040964800700～79031218616246413943901880283871050076865800390～750324219155922——0226—40400172—66550765～775377182140785——0227—60400166—67603700～8502261441398191174450109020780125068868558770～90023526312358512143601670318050143035469559895～14502451841172491071320214021490401510378①“—”。②65—8TN8。③64SS。2①TN5mg/L。②SS5mg/L。③5mg/LTP05mg/L。TN、TPSSA。SSDenite。44·63·2712。。3.210145m3/s。。10Fig10RenderingofQingtuozirainwaterpumpstation。972kWp12033kW·h12t、014t、007t。。。4、。1J200723165759Emailxichumlee@126com櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵20101215364.2SS10mg/LSS20mg/LDenite41%。10%～15%1%。5①DeniteTN、TPSSA。②Denite。③Denite。④Denite。⑤SS。1AJ200935624282AJ20082314153STSJ200824231115Emailyxb235@163com20101112·44·2712