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Calcium-promoted catalytic activity of potassium carbonate for gasification of coal char: The synergistic effect unrelated to mineral matter in coal
Hu, J; Liu LJ(刘利娟); 崔明启;Liu, LJ; Cui, MQ; Wang, J
2013
发表期刊FUEL
卷号111页码:628-635
摘要The purpose of this work is to investigate the synergistic catalysis between calcium species and K2CO3 for the char gasification. Graphite and four mineral-free chars including an anthracite coal char, a bituminous coal char, a lignite coal char and a pine wood char were gasified at 750 degrees C in a stream of steam/argon under atmospheric pressure. It was found that each of three calcium species (Ca(OH)(2), Ca(CH3COO)(2) or Ca(Ac)(2), and CaCO3) synergistically promoted the catalytic activity of K2CO3 for the gasification of all samples, and the extent of promotion was dependent on calcium species and carbon or char samples. The formation of a eutectic from the calcium species/K2CO3 catalyst was proved to be an important mechanism for its better catalytic effect. The presence of the organically bound calcium on the char was also likely to be responsible for the promoted catalytic gasification. (C) 2013 Elsevier Ltd. All rights reserved.
关键词Char gasification Bimetallic catalyst Synergistic effect XANES TG-DSC
学科领域Energy & Fuels; Engineering
DOI10.1016/j.fuel.2013.03.038
收录类别SCI
WOS记录号WOS:000321037600075
引用统计
被引频次:18[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/311005/224032
专题多学科研究中心
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GB/T 7714
Hu, J,Liu LJ,崔明启;Liu, LJ,et al. Calcium-promoted catalytic activity of potassium carbonate for gasification of coal char: The synergistic effect unrelated to mineral matter in coal[J]. FUEL,2013,111:628-635.
APA Hu, J,刘利娟,崔明启;Liu, LJ,Cui, MQ,&Wang, J.(2013).Calcium-promoted catalytic activity of potassium carbonate for gasification of coal char: The synergistic effect unrelated to mineral matter in coal.FUEL,111,628-635.
MLA Hu, J,et al."Calcium-promoted catalytic activity of potassium carbonate for gasification of coal char: The synergistic effect unrelated to mineral matter in coal".FUEL 111(2013):628-635.
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