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INDUSTRIALWATER&WASTEWATERVol.41No.2Apr.,2010CASS1,2(1.,310012;2.,400045)CASSSBR,,、、、、,,[1-5]。(λ)CASS,。,,,CASS,;,,,CASS。,,。11.1。:2009-11-03;:2010-03-02:10%、20%、30%,10。:CASS,,,,;,,,,CASS。:;CASS;:X703.1:A:%1009-2455(2010)02-0046-03InfluenceofwaterfillingratioonCASSprocessremovingcontaminantsWENMin1,LIUMiao-miao2(1.HuasenArchitecture&EngineeringDesignConsultantsLtd.,HangzhouBranch,Hangzhou310012,China;2.KeyLaboratoryoftheThreeGorgesReservoirRegion′sEco-Environment,ChongqingUniversity,Chongqing400045,China)Abstract:Undertheconditionthatthewaterfillingratioswere10%,20%and30%respectively,theoperativeexperimentofawastewatertreatmentplantinChongqingcitywasinvestigatedthroughtheselected10cycleswhoseinfluentparameterswereinaminordifference.Theresultsshowedthat;thechangeregulationofcontaminantsremovalperformanceofCASSprocesswasconsistentwiththetheory:thelessthewaterfillingratiowas,thelesstheinfluentquantityofeachcycleandhydraulicloadingwere,andthehighertheremovalratesofcontaminantswere;althoughthewaterfillingratiomayinfluencetheremovalratesofcontaminantsandtheeffluentwaterquality,forthesaidwastewatertreamentplant,theeffluentcanalwaysmeetthedischargestandardnomattertakingwhichλ,whichshowedthat,CASSprocesshadastronganti-shockloadingcapability.Keywords:waterfillingratio;CASS;nitrogenandphosphorusremoval·46·,:CASSCASS,1h、3h、1h、1h,1。1.2,,1。、、,CASS。(7~8),,,,。,CASS3.35m,4.85m,0.03~0.33,。3.5、4.04.5m,10%、20%、30%。1.3,2。1.4COD、NH3-N、TN、TP[6]。22.1COD2COD。,COD,10%、20%、30%COD88.4%、85.2%、82.7%,COD,10%、20%、30%,COD16.1、21.1、22.0mg/L。,,COD,。2,,80%,。2.2NH3-N3NH3-N。,NH3-N。10%、20%、30%NH3-N97.3%、91.9%、87.9%,,10%、20%、30%,NH3-N0.48、1.37、2.22mg/L,。2.3TN4TN。TNNH3-N,1Fig.1ProcessflowofwastewatertreatmentplantABCASSC1Tab.1ControlparametersintheexperimentSRT/dρ(MLSS)/(mg·L-1)SV/%ρ(DO)/(mg·L-1)/h8~123000~450018~242~332Tab.2Influentwaterqualityρ(NH3-N)/(mg·L-1)ρ(TN)/(mg·L-1)ρ(TP)/(mg·L-1)ρ(COD)/(mg·L-1)260.1~672.5366.531.5~43.137.948.9~79.856.82.36~6.754.7?=0.1?=0.2?=0.32CODFig.2CODremovalratesunderdifferentλ12345678910λ=10%COD/%1009590858075λ=20%λ=30%?=0.1?=0.2?=0.33NH3-NFig.3NH3-Nremovalratesunderdifferentλ12345678910λ=10%NH3-N/%1009590858075λ=20%λ=30%·47·INDUSTRIALWATER&WASTEWATERVol.41No.2Apr.,2010,,TN,,,TN,,10%、20%、30%,TN16.8、17.9、18.9mg/L,。2.4TP5TP。,TP,,10%、20%、30%,TP0.7、1.0、1.2mg/L,。3(1),CASS,,,,。(2)CASS,,,。,,,,,。(3),CASS。:[1],.[J].,2004,24(4):7-10.[2],.CASS[J].,2003,19(2):34-35.[3],.(CASS)[J].,1999,25(11):10-13.[4]MCGoronszy.Aerateddenitrificationinfull-scaleactivatedsludgefacilities[J].WatSciTech,1997,35(10):105-111.[5]MCGoronszy.IndustrialapplicationofCyclicActivatedSludgeTechnology[J].IAWQYearbook,1997,5(12):35-38.[6],《》.[M].:,2002.:(1979-),,,,,,()faith-99@163.com。?=0.1?=0.2?=0.34TNFig.4TNremovalratesunderdifferentλ12345678910λ=10%TN/%807060504030λ=20%λ=30%?=0.1?=0.2?=0.35TPFig.5TPremovalratesunderdifferentλ12345678910λ=10%TP/%100908070605040λ=20%λ=30%,,。/,,,———,//。、。“”,,………,!“”!2010492010731。,.hach.com.cn。···············································,,。/,,,———,//。、。“”,,………,!“”!2010492010731。,.hach.com.cn。················································48·
本文标题:充水比对CASS工艺处理污染物效果影响的研究文敏
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