Experimental study on fly ash capture mercury in flue gas

查看全文 作　　者：Mercedes DíAZ-[1]SOMOANO;Patricia ABAD-[1]VALLE;M.Rosa MARTíNEZ-[1]TARAZONA

机构地区：[1]Instituto Nacional del Carbón(CSIC)

出　　处：《Science China(Technological Sciences)》索引2010年第53卷第4期,共8页

基　　金：supported by the National Natural Science Foundation of China (Grant Nos 50721005, 20877030);the National Key Basic Research and Development Program of China ('973' Project) (Grant No 2006CB200304);China Postdoctoral Science Foundation 摘　　要：Systematic experiments were conducted on a fixed-bed reactor to investigate the interaction between fly ash and mercury,the results implied that fly ash can capture mercury effectively.Among different fly ashes,the unburned carbon in the FA2 and FA3 fly ashes has the highest mercury capture capacity,up to 10.3 and 9.36 μg/g,respectively,which is close to that of commercial activated carbon.There is no obvious relationship between mercury content and carbon content or BET surface area of fly ash.Petrography classification standard was applied to distinguish fly ash carbon particles.Carbon content is not the only variable that controls mercury capture on fly ash,there are likely significant differences in the mercury capture capacities of the various carbon forms.Mercury capture capacity mainly depends on the content of anisotropy carbon particles with porous network structure. 关键词：MERCURY FLY ASH unburned carbon PETROGRAPHY adsorption

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Experimental study on fly ash capture mercury in flue gas

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