低浓度进水UCT工艺的脱氮除磷调试与运行

UCT,,(,518036):UCT,,:UCT;;;:X703.1:C:1000-4602(2008)08-0089-03CommissioningandOperationofUCTProcessforNitrogenandPhosphorusRemovalfromLow2concentrationWastewaterGULing2yan,WANWei,CAOWen2zhong(ShenzhenDatongWaterCo.Ltd.,Shenzhen518036,China)Abstract:UCTprocesswasusedtotreatlow2concentrationwastewaterinaWWTPinGuangdongProvince.Theproblemofnitrogenandphosphorusremovalfromlow2concentrationwastewaterwassolvedbyincreasinginfluentrate,addingphosphorusremovalchemicals,supplementingcarbonsourceandsoon.Keywords:UCTprocess;low2concentrationwastewater;commissioning;nitrogenandphos2phorusremoval12004,20104m3/d,34.5km2UCT,11Tab.1DesigninfluentandeffluentqualityBOD5CODNH3-NTPTNSS/(mgL-1)13025025435180/(mgL-1)206081.52020/%857668634380UCT,,,,SVI100mL/g,,UCT,,,,11Fig.1Flowchartofwastewatertreatmentprocess2,9824820084CHINAWATER&WASTEWATERVol.24No.8Apr.2008,(BOD53040mg/L),,60%,,3,3,,,,,,,,[1]MLSS3000mg/L,,,,,,,24104m3/d,DODO23mg/L,20003000m3/h,41,,,,,800010000m3/h,,SV30=10%SV30=20%,,22Tab.2TestresultofnitrificationinstageoneofcommissioningmgL-16h12h24hSV30=10%6.8510.896.66SV30=20%3.576.545.6125.19,,,10d,(2),2Fig.2AmmonianitrogenandnitratenitrogenineffluentinstageoneofcommissioningSS,,[2],,20mg/L,,,,,,,,SS,SS,,35mg/L,SSTP3.90mg/L,3570100mg/L,TP1.090.260.19mg/L;SS98mg/L,SS1154mg/L18,1d,,SSTP,,,BOD5/TKN2.86,09248[2],BOD5(3040mg/L),,TN25mg/L,BOD5/TKN2,,COD120000mg/L,TN100mg/L,,,TN21.53mg/L,0.1%0.2%0.3%,TN21.0520.3520.15mg/LUCT,,,,TN,TN20mg/L4,,,5UCT,,;,;,,,,:[1],,.[J].,2003,25(2):39-41.[2],,.[J].,2006,6(3):11-15.:13510996914E-mail:[e-mail]:2007-08-20:10104m3/d;:1.98;:;:;::;:15104m3/d;:5640;:;:;:;:20082010()4.0104m3/d,8.0104m3/d,12.0104m3/d,CASS,14902.06(),:,:()19:UCT248