垃圾焚燒飛灰中重金屬的滲濾特性及飛灰固化處理的實驗研究.pdf

1、洳≥：j、法碩士學位論文論文題目⑧作者姓名韭蚩奎瞳壅麴援所在學院扭越皇鰉湮王猩堂瞳提交日期曼QQ墨生墨旦浙江大學碩士學位論文ABSTRACTABSTRACTHavingtheadvantagesofremarkablevolumereduction，weightreductionandEnergyrecoverydisposingofMunicipalSolidWaste(MSW)byincinerationshavebeenwidel

2、yusedabroad，especiallybythosedevelopedcountrieswhicharefacingtheinsumciencyoflandandenergy11listechnologyisalsobeingpopularizedinourcountryinrecentyears11地heavymetalsinmunicipalsolidwastewilIbedistributedandtransformedin

3、thecoiEseofincinerationwithoutbeingdestroyedThetotalamountwillbesentoutofthefurnaceasmuchasthatiscontainedinrawwasteMunicipalSolidWasteIncineration(MSWI、flyashcontainsharmfuIheavymetalsSincethemetalsarewaterleachable，the

4、MSWflyashmustbeproperlytreatedFluidizedbedcombustioncoalflyash(FCA)isabyproductofcoalpowerplant，theuseofFCAshouldbeencouragedInthispaperthestabilizationmethodusingnuidizedbedcombustioncoalflyash，andthemixtureofcementandF

5、CA，isproposedtostudythecontrolofheavymetalleachateFurthermore，theeffectofaddingadditivestothemixtureshasbeentakenintoaccount，Thephysicalandmechanicalpropertyheavymetalscontentandthedistributionofparticlesizeofthreetypeso

6、fflyasharestudiedatfirstOneofthemisfluidizedbedMSWIflyash，theothertwoaregrateMSWIflyash，Then，thelcachingcharacteristicsofflyasharestudiedThestabilizationmethodushagfluidizedbedcombustioncoalflyashisproposedtostudythecont

7、r01ofheavymetalleachateTheeffectofsinglevariableleachatesituationisalsoconsideredTheexperimentalresultsindicatethatfluidizedbedcombustioncoalflyashcanrestrainthe1eachateofCu、Zn、Pb、Cr、NionacertainexteutbutCallbarelyrestra

8、intheleachateofCdAndthemasspercentageofheavymteals1cachedfiomoriginalMSWflyashdecrease、j、riththereductionofbendingpercentageofMSWnyashandtheincreaseofsolidificationmixturecuringtimeespeciallyforNi、Cr、CuBasedonthegratefly

9、ash，thestabilizationmethodusingthemixtureoffluidizedbedcoalflyashandcementistakentostudythecontrolofheavymetalleachate，andcomparedwithmethodofonlyusingfluidizedbedcoalflyashTheresultsshowthattheuseofthemixturewillreceive

10、moreacceptableeriectontheleachateofhaveymetalsthantheuseoffluidizedbedcoalflyashsimply，especiallyforNi、Cr、CuandZnButtheeffectonPbisnotasgoodasNi、Cr、CuandZn也eeffectonCdisworseAfter7daysofcuringtime，thepredominaneeismoreob

11、viousAtlast，theeffectoftheadditionofadditivesontheleachateofheavymetalsisstudied，theresultsshowthatthejoiningoffourkindsofadditivescanreducetheleachingofheavymetals，especiallyforCd、PbandZnKeywords：municipalsolidwaste(MSw