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Detailed in-furnace measurements with reburning of superfine pulverized coal in high CO_(2)concentration
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作者 Jun Shen Jiaxun Liu +3 位作者 Shengxiang Deng Sha Wang Bin Chen Xiumin Jiang 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2021年第6期326-334,共9页
This paper presents detailed measurements of gaseous species during the reburning process with high CO_(2)concentration in a bench-scale furnace.Superfine pulverized coal,with the average particle size below or around... This paper presents detailed measurements of gaseous species during the reburning process with high CO_(2)concentration in a bench-scale furnace.Superfine pulverized coal,with the average particle size below or around 20μm,is used as the reburning fuel.The data of flue gas concentration(NOx,HCN,NH_(3),CH_(4),O_(2),CO,CO_(2)etc.)is obtained in order to reveal the intrinsic connection between NOx emissions and other influential gaseous species at different positions of the furnace.The finding concludes that the advantage of superfine pulverized coal with regard to NO reduction is more efficient in homogeneous stage rather than heterogeneous stage.Meanwhile,the evolution of HCN and CH_(4)agrees well with each stage of NO reduction,which indicates that these gaseous species are favorable for NO abatement.Eventually,oxygen consumption rate for superfine pulverized coal is relatively faster,conducive to strengthen both homogeneous and heterogeneous NO reduction under CO_(2)reburning condition. 展开更多
关键词 NO reduction superfine pulverized coal coal combustion Reburning in CO_(2)
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