城市污水处理厂不同性状污泥填埋工艺的试验研究

50Vol.33No.102007(,200092),,,,107,,;M1,5%,,ResearchonmethodsofsludgedisposalbylandfillforurbanwastewatertreatmentplantsMaJianli,ZhaoYoucai,ZhangHua,WeiYunmei,NiuDongjie,ChaiXiaoli(StateKeyLaborotaryPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China)Abstract:Bythegenesisandthenatureofthewastewatersludge,itisclassifiedintotwocate2gories:thebiologicalsludgeandthechemicalsludge,whicharetreatedbydifferentways.Thebio2logicaloneisblendedwithagedurbansolidwasteatratioof107andthechemicaloneissolidifiedbymagneticsolidifiedagentM1withadditionof5%,andfinallybothtwoshallbedisposedbylandfill.Theexperimentalresearchprovedthattheanaerobicgasgenerationanddegradationoftheorganicsubstancesintheblendedbiologicalsludgewerespeededup,sothestabilizationtimede2creasedandalsothesoilmechanicpropertiesimprovedtomeettherequirementoflandfill.Forthesolidificationofchemicalsludge,theheavymetalswerefixed,thereleasewasavoidedandthephysicalfeatureofthesolidifiedchemicalsludgewassuitabletolandfill.Keywords:Sludgelandfill;Biologicalsludge;Chemicalsludge;Agedurbanwaste;Solidifica2tion,,,320610m3/d,1900m3/d(97%98%),2005(305005),,:;[1,2],,35%25kPa50kPa10-610-5cm/s,中国城镇水网(3435),,,,,121()pH5.806.016.656.921.531.61/%78.681.668.475.46.968.413.344.79/kPa2.653.71/kPa6.128.342()VM/%68.3871.3944.2243.89/%Al2O315.6135.65CaO11.0414.81Fe2O38.214.46MgO3.842.84/mg/kgCu350671Zn488490Pb9.9511.0Cd0.851.05Cr4.5615.4Ni34.8155Hg1.221.43Si5.689.48,10kPa,5kPa,,,,,,,,,[3],;[4],,,,2[5]1992,12a4cm,,,,10%(1),40%,10.4m,1.3m,510cm107,1m,111.35kg117kg,2a2,+50d,50100d,120d;300d,+10.85L/kg,,0.9L/kg3,,1.52a中国城镇水网(M1),420%58.17MPa,,1.52;,20kPa,pH,;M1,5%52MPa,,,pH,M1AlCaFeMg,,4(5),,75.4%,5%,5d,,30%,,65+M1SEM6+M13,,M13Cu/mg/LZn/mg/LCd/mg/LCr/mg/LNi/mg/L9550.584.810.0070.120.10290100.654.410.0060.110.09380200.021.890.0020.050.04070300.021.730.0020.050.036中国城镇水网(1),,,,,(2),,,4,,,,,,,4;()30%50%5%10%13d37d2040/t6080/t,(3),,,,1ChanGYS,ChuLM,WongMH.Effectsofleachaterecircula2tiononbiogasproductionfromlandfillco2disposalofmunicipalsolidwaste,sewagesludgeandmarinesediment.EnviromentalPolluction,2002,118:3933992,,..,2004,20(4):27313CnarS,OnayTT,ErdinclerA.Co2disposalalternativesofvari2ousmunicipalwastewatertreatment2plantsludgeswithrefuse.AdvancesinEnvironmentalResearch,2004,(8):4774824MinochaAK,JainN,VermaCL.Effectofinorganicmaterialsonthesolidificationofheavymetalsludge.CementandConcreteResearch,2003,33:169517015,,,..,2006,28(7):481484&:20009252834031:13816981609E2mail:[e-mail]:2007205229:200720722419752000,24%,1.4,9%,62%,,,,,72%,,,30s,:,500,,50%,60%,30%,,,中国城镇水网