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XANES spectroscopic study of sulfur transformations during co-pyrolysis of a calcium-rich lignite and a high-sulfur bituminous coal
Liu LJ(刘利娟); Liu, LJ; Cui MQ(崔明启); Fei, JX; Cui, MQ; Hu, YF; Wang, J
2014
发表期刊FUEL PROCESSING TECHNOLOGY
卷号121页码:56-62
摘要Sulfur K-edge X-ray absorption near edge structure (XANES) spectroscopy was applied to determine the sulfur forms in a calcium-rich lignite coal (L coal) and a high-sulfur bituminous coal (B coal), and to investigate their transformations during the co-pyrolysis of two coals. Calcium K-edge XANES spectroscopy was used for examining the occurrence modes of calcium in two coals and their transformation during the coal pyrolysis. Sulfur was present in L coal in the form of thioether, thiophene, sulfate and sulfonate, and in B coal in the form of thiophene, pyrite, thioether and sulfate. Most calcium in L coal was organically associated. The co-pyrolysis was found to synergistically facilitate the progressive decomposition of pyrite and also result in the virtually complete elimination of thioether from the char, with the promoted retention of sulfur as CaS and CaSO4. It was evident that the calcium in L coal was an important factor underlying the synergistic effects on the sulfur transformations during the co-pyrolysis. (C) 2013 Elsevier B.V. All rights reserved.
关键词Coal Co-pyrolysis Sulfur Calcium XANES
学科领域Chemistry; Energy & Fuels; Engineering
DOI10.1016/j.fuproc.2013.12.008
收录类别SCI
WOS记录号WOS:000332053500008
引用统计
被引频次:15[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/311005/225017
专题多学科研究中心
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GB/T 7714
Liu LJ,Liu, LJ,Cui MQ,et al. XANES spectroscopic study of sulfur transformations during co-pyrolysis of a calcium-rich lignite and a high-sulfur bituminous coal[J]. FUEL PROCESSING TECHNOLOGY,2014,121:56-62.
APA 刘利娟.,Liu, LJ.,崔明启.,Fei, JX.,Cui, MQ.,...&Wang, J.(2014).XANES spectroscopic study of sulfur transformations during co-pyrolysis of a calcium-rich lignite and a high-sulfur bituminous coal.FUEL PROCESSING TECHNOLOGY,121,56-62.
MLA 刘利娟,et al."XANES spectroscopic study of sulfur transformations during co-pyrolysis of a calcium-rich lignite and a high-sulfur bituminous coal".FUEL PROCESSING TECHNOLOGY 121(2014):56-62.
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