电石渣和石灰对污泥的改性效果比较李春萍

*10004186.1%10%30min24487296120h120h50%60.16%65.24%。、。COMPARISONOFSEWAGESLUDGEMODIFICATIONEFFECTBYADDINGCALCIUMCARBIDEORLIMELiChunpingStateKeyLabofSolidWasteResourcesUtilizationandEnergySavingBuildingMaterialsBeijingBuildingMateriralsAcademyofScienceResearchBeijing100041ChinaAbstractAfteradding10%ofcalciumcarbideandindustriallimeintodewateredsludgewith86.1%moisturecontentchangesofmoisturecontentafter30minmixing24～120hnaturaldryingevaporationratesludgespecificresistanceandsludgefilterpresswereassayedrespectively．Theresultsshowthataddingcalciumcarbideandindustriallimeintosludgemoisturecontentshowedalineardeclinetoachievearapiddryingpurposeseitherafter30minmixingorduring24～120hnaturaldrying．Sludgemixedwithcalciumcarbideandindustriallimeevaporationratewasquitedifferentfromnon-mixtureandsludgespecificresistancedropedto50%andsludgefilterpressdropedto60.16%and65.24%．KeywordssewagesludgemoisturecontentTG-DTAspecificresistancefilterpress*－。1-2。75%～85%、、3。、、、、、、、4-7。、8-9。、、、1011-13。。PVC。1tPVC50%3～5t。PVC14-15。CaOH2CaS、Ca3P2、H3P、Al2O3、MgOH2、SiO2CaOH2、Al2O3、MgO、SiO2。、116。711201110295DOI:10.13205/j.hjgc.2011.05.03411.1186.1%45.1%49.3%3.5%。2、CaOH263.93%MgOH21.27%Al2O30.50%Fe2O30.96%SiO27.90%4900/cm214.4%。CaO、MgO75%4900/cm21.5%。10kg10%17CA10min20min、、、。1.21。、24487296120h10g105℃。2。、35mgTGA/SDTAN210℃/min25℃80℃50min。mgTG－DTAgm1、m2、m3……mnmint1、t2、t3……tnV=m－mntnmn。3。1。4。、5kg18kg/cm2、40min。22.186.1%10%30min024487296120h1。1186.1%10%30min81.45%74.39%6811。24487296120h120h60%GB16889—2008《》。2.2、10%2。2y=－5×10－5lnx+0.0005R2=0.9832y=－2×10－5lnx+0.0003R2=0.9663y=－8×10－10x2+8×10－8x+0.0002R2=0.9367。811201110295MgOH2、Al2O3、Fe2O3SiO218。2.33。1。31cm/g10%10%0.78×10120.37×10120.49×101210.78×1012cm/g11910%0.37×1012cm/g0.49×1012cm/g。2.42。2%10%10%83.3960.1665.24286.1%10%60.16%65.24%。2.1、2.2、2.3、2.4、。3186.1%10%30min24487296120h120h60%GB16889—2008。2。310%。460.16%65.24%。1．、、M．2009.2LeeDJSpinosaLLiuJC．TowardssustainablesludgemanagementJ．Water20022122-23.3VesilindPAHsuCC．LimitsofsludgedewaterabilityJ．WaterScienceandTechnology1997361187-91.4BarjenbruchMKopplowO．Enzymaticmechanicalandthermalpre-treatmentofsurplussludgeJ．AdvancesinEnvironmentalResearch200373715-720.5MonteiroPS．TheinfluenceoftheanaerobicdigestionprocessonthesewagesludgesrheologicalbehaviourJ．WaterScienceandTechnology1997361161-67.6LoganTJHarrisonBJ．Physicalcharacteristicsofalkalinestabilizedsewage－sludgen－virosoilandtheireffectsonsoilphysical-propertiesJ．JournalofEnvironmentalQuality1995241153-164.7TihmANicklKZellhornMetal．UltrasonicwasteactivatedsludgedisintegrationforimprovinganaerobicstabilizationJ．WaterRes20013582003-2009．8MurthySSadickTKimHetal．MechanismsforodourgenerationduringlimestabilizationC//Proc．3rdInt．WaterAssociationWorldWaterCongressLondon2002209-225．9NorthJM．Methodsforquantifyinglimeincorporationinto126911201110295YG2.2m。1.2～2.4m。YGBH。7YG－31XZ。2。。3XZBH3300m。40.3m/s。。1．M．20109．2．J．200622330－32．3．J．2010414．4．D．2009．5WaterResearchCentre．AguidetoshorttermflowsurveysofsewersystemsRWiltshireEngland1987．6WaterResearchCenter．SewagerehabilitationverifiedsimulationmodelingC．Urbandrainagerehabilitationprogramsandtechniques．ASCENewYork199373－83．7ADS．technicalforum．EB/OL．http//．adsenv．com/default．aspxid=[e-mail]2010－12－13櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅119dewateredsludge．IBench-scaleevaluationJ．JournalofEnvironmentalEngineering-Asce20081349750-761.10HsiauPCLoSL．CharacteristicsoffouralkalinebiosolidsproducedfromsewagesludgeJ．ResourcesConservationandRecycling1997213185-197.11AkrivosJ．AgriculturalutilisationoflimetreatedsewagesludgeJ．WaterScienceandTechnology2000429203-210.12SloanJJBastaNT．RemediationofacidsoilsbyusingalkalinebiosolidsJ．JEnvironQual19952461097-1103.13USEnvironmentalProtectionAgency．ProcessDesignforSludgeTreatmentandDisposalM．WashingtonDCUSGovernmentPrintingOffice1979.14．J．200827103-106.15．J．200777-8.16DengWYLiXDYanJHetal．StudyonmoisturedistributioninsludgesbasedondifferenttestingmethodsJ．JournalofEnvironmentalSciences20115175-180．17．J．2010262328-31．18．J[e-mail]2011－01－19621201110295