城市深度脱水污泥燃料化及制砖资源化技术研究

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1、华侨大学硕士学位论文sludgewas50%,LOI,waterabsorption,porosityoffuelparticleinsulatingbrickcouldreach"Firedcommonbrick"(GB5101-2003)standard.Thethermal2conductivitywas≤1.5W/(m·K),couldreachthestandardof“Designstandardforenergyefficiencyofresidentialbuildingsinhotsummerandcoldwinterarea”(JGJ1

2、34-2010),revealedexcellentinsulatingperformance.Thefreeze-thawcycleresultsindicatedthatmasslossrateofthebrickwas0.55%,compressivestrengthlossratewas14.21%after25freeze-thawcycles.TCLPresultsindicatedthatheavymetalsinthebrickreached“Identificationstandardsforhazardouswaste-Identifi

3、cationforextractiontoxicity”(GB5085.3-2007)standard.UreaandGravelwasusedaspore-formingagentforpreparationofwaterpermeablebrick,Gravelrevealedabetterpore-formingproperties.WhenthedosageofGravel≤20%,compressivestrengthandcoefficientofpermeabilityofthebrickcouldreached"Waterpermeable

4、brick"(JC/T945-2005)standard.Freeze-thawcycleresultsindicatedthatcompresssivestrengthlossrateofGravelpermeablebrick≤20%.Heavymetalsleachingtestresultsindicatedthebrickreached“Identificationstandardsforhazardouswaste-Identificationforextractiontoxicity”(GB5085.3-2007)standard.Throu

5、gheconomicandtechnicalassessmentandemissionreductionaccounting，theproductionof1milliondewateredsludgebrickandfuelparticlesbrickcouldachieveeconomiceffectof76,000RMB,andreduceSO2emission2.203tonesand3.126tonesrespectively,effectivelyachievedepthdewateredsludgeresourceutilization.Ke

6、ywords：DepthDewateredsludgeDepthDewateredsludgebrickFuelparticleFuelparticlebrickPermeablebrickIV万方数据目录目录摘要...........................................................1Abstract.......................................................III第1章绪论...........................................

7、..........11.1污泥的处理方法.............................................................................................11.1.1污泥浓缩...............................................................................................11.1.2污泥稳定....................................................

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