城市污泥固化处理工程技术研发与应用

201302。M15％52kPa20％。SEMM1Al、Ca、Fe、Mg、。M110%7d。X703A1005－8206201006－0055－04DevelopmentofEngineeringTechnologyofSewageSludgeSolidificationandItsApplicationQianChunjunShanghaiLaogangWasteTreatmentCo.,Ltd,Shanghai201302AbstractBasedoncomparingmodifiedsolidificationcharacteristicsofsewagesludgeusingmanykindsofcuringagents,solidificationparameterswereoptimized,andthousand-ton-levelsolidificationequipmentwasdeveloped.TheresultsshowedthatwhenthedosageofM1agentmainlyconsistedofMgsaltswas5%,thecompressionstrengthofsludgewouldreach52kPa,butthedosagesofcementandlimewereover20%.SEManalysisshowedthatduringsludgesolidificationprocess,M1agentmadeagelatinizationreactionwithAl,Ca,FeandMgionsofchemicalsludgetoformneedle-shapedorcolumnar-shapedcrystal.TheM1agentshortenedthesolidificationtime,enhancedthesolidityofthesolidifiedsludge,andacceleratedtodevelopitsearlystrength.ConstructionandoperationofdemonstrationprojectindicatedthatwhenthedosageofM1agentwas10%,thesolidifiedsludgecouldmeetthedemandofsoilmechanicsforsecurelandfillaftercuring7days.Itcanrealizesecuresanitarylandfillofsludge.Keywordscharacteristicsofsewagesludge;treatmenttechnology;concretemixing;completeequipmentofsewagesludgesolidification2010-07-08EnvironmentalSanitationEngineeringVol．18No.6December2010186201012550～600t1。、、2-4。、、、、。。。、、、5-7。M1、/。11.180%45%Pb、CrNi42、101、54mg/kg。M1、P.C32.5。1.2GB/T50123—1999DW-1。SEM。1.31M1·55·183.91cm、8.0cm25±0.5℃、90%24h。21。20％58.17kPa1.5220kPapHM15％52kPapH。SEM2M1Al、Ca、Fe、Mg、。80％5％2d30％3。1。M1GB508.3—2007。33.11000t/d80％、1.0t/m3M11.2t/m3。4。10°。。。3.1.12.4m4m。410020030040050060070080090003025201510535M1/kPa/%1m∶mCuZnCdCrNi95∶50.584.810.0070.120.10290∶100.654.410.0060.110.09380∶200.021.890.0020.050.04070∶300.021.730.0020.050.0362＋M1SEM3＋M11mg/L100200300400500600700800900011975313/d/kPa10%M120%M130%M15%M1·56·6、。。。3.1.2。10°4m。。。H2S、NH3、CH4、。3.1.3。。。15t/15m3。。3.1.4。1000t/dA、B2A70t/h准1400mm×L4500mmB110t/h准1800mm×L6000mm。2。。。。。PC。、。。、。3.22。2009650t3。≥50kN/m2≥25kN/m2≤60%。420％58.17kPa20kPapHM15％52kPa/%/t/m3/m3/d/kN/m2/kN/m2/cm/s50~551.1~1.2390~40750~5525~3010-6～10-5/%/t/d/t/m3/m3/d/d1011001.11000723％。361·57·6pH。SEMM1Al、Ca、Fe、Mg、。M110%7d。1.M.2010.2.M.2010.3.M.2010.4.M.2010.5.M.2010.6.M.2001.7.M.1999.1970—。[e-mail]。/m3/m3/m3/m3/m31~61408.915942.707352.097352.090.0073984.23990.454974.682170.002804.6885833.23990.456823.682170.007458.3692285.27990.453275.722100.008634.08100.00990.45990.452170.007454.53110.00990.45990.452100.006344.98120.00990.45990.452170.005165.43。1.213000m312000m3。41、、、。2、HELP3。。3。1.M.2001.2.M.1999.3.J.200120252-54.4CharlieWAWardwellREAnderslandOB.LeachateGenerationfromSludgeDisposalAreaJ.JEnvironEng19791055947-960.5WilsonDC.WasteManagementPlanningEvaluationTechnologiesM.OxfordClarendonPress1981.6CareyPCartyGDonlonBetal.LandfillManualsLandfillSiteDe－signM.IrelandTheEnvironmentalProtectionAgencyPublication2000.7BagchiA.DesignConstructionandMonitoringofLandfillsM.2nded.NewYorkJohnWiley&Sons1994.8.J.200513153-56.9.J.19964318-20.10.J.20022431-4.11.J.2005191119-20.12.J.2000233112-114.13.J.19975212-16.14.J.19953125-28.15LangeDL.ACaseStudyofHeHELPModelActualVersusPredictedLeachateProductionRatesataMunicipalLandfillinNortheasternOhioJ.WaterRes199731112775-2783.1986—、。[e-mail]。357·61·