Calcium-promoted catalytic activity of potassium carbonate for steam gasification of coal char: Transformations of sulfur
Liu LJ(刘利娟); Liu, LJ; 崔明启;Liu, HJ; Cui, MQ; Hu, YF; Wang, J
刊名FUEL
2013
卷号112页码:687-694
关键词Coal char Catalytic gasification Pyrolysis Sulfur XANES
学科分类Energy & Fuels; Engineering
DOI10.1016/j.fuel.2012.06.048
英文摘要K2CO3-catalyzed char gasification with steam was carried out on a laboratory fix-bed reactor and it featured in the preparation of char from a high-sulfur coal by the prior addition of Ca(OH)(2) to the coal. This work was focused on the clarification of sulfur transformations during the coal pyrolysis and the char gasification. Sulfur K-edge X-ray absorption near edge structure (XANES) spectroscopy was employed to determine quantitatively the forms of sulfur in coal and their changes in process. Results showed that the addition of Ca(OH)(2) to coal promoted the decomposition of both pyrite and organic sulfur during the charring. In the K2CO3-catalyzed char gasification, the calcium additive enabled more sulfur to be retained eventually as K2SO4 rather than CaSO4. The formation of K2SO4 would be conducive to the recycled use of potassium catalyst. (C) 2012 Elsevier Ltd. All rights reserved.
收录类别SCI
WOS记录号WOS:000321735400095
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224039
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
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Liu LJ,Liu, LJ,崔明启;Liu, HJ,et al. Calcium-promoted catalytic activity of potassium carbonate for steam gasification of coal char: Transformations of sulfur[J]. FUEL,2013,112:687-694.
APA 刘利娟,Liu, LJ,崔明启;Liu, HJ,Cui, MQ,Hu, YF,&Wang, J.(2013).Calcium-promoted catalytic activity of potassium carbonate for steam gasification of coal char: Transformations of sulfur.FUEL,112,687-694.
MLA 刘利娟,et al."Calcium-promoted catalytic activity of potassium carbonate for steam gasification of coal char: Transformations of sulfur".FUEL 112(2013):687-694.
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