%0 Journal Article %T effectsofacidwashoncombustioncharacteristicsofsewagesludge %A liujingyong %A zhuozhongxu %A sunshuiyu %A zhaosuying %A yangzuoyi %A wangyujie %A xiewuming %A huangrong %J ÈÈÁ¦·¢µç %P 27-33 %D 2014 %X throughthermogravimetricanalysis,theeffectofacidwashonburningperformanceofindustrialsludgewasstudied.bothcharacteristicindexesandkineticparametersofthesludgecombustionwerecalculatedbeforeandaftertheacidtreatment.moreover,thecombustion£¿supportingeffectofacidwashwasinvestigated.theresultsindicatethat,therewerefourweightlosspeaksduringthesludgecombustion,amongwhichthetworepresentingthevolatilematterreleaseandcombustionweightlosswerequiteobvious,whichplayedadominantroleintheentirecombustionprocess.afteracidpickling,thesludge'sspecificsurfaceareaincreased,anditsspatialstructureandchemicalcompositionalsochanged,whichpromotedreleaseofthevolatileorganicmattersinthesludge.thus,theignitionoccurredearlieranddiffusionrateoftheoxygenspeededup,makingthecombustioneasiertogoon.fortheacidwashedsludge,theactivationenergyreducedandthereactionreactivityincreased,indicatingtheeffectofspatialstructureonassistantcombustionwerebetterthanthatoftheself£¿containedmetaloncatalyticeffecttocombustion. %K sewagesludge %K acidtreatment %K combustioncharacteristics %K thermogravimetricanalysis %K kinetics %K activatedenergy %U http://rlfd.paperopen.com//oa/darticle.aspx?type=view&id=201404006