| 晋城煤中汞的热稳定性与赋存形态的研究 |
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| 引用本文： | 郭少青,杨建丽,刘振宇. 晋城煤中汞的热稳定性与赋存形态的研究[J]. 燃料化学学报, 2009, 37(1): 115-118 |
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| 作者姓名： | 郭少青 杨建丽 刘振宇 |
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| 作者单位： | 中国科学院山西煤炭化学研究所,煤转化国家重点实验室,山西,太原,030001;太原科技大学,山西,太原,030024;中国科学院山西煤炭化学研究所,煤转化国家重点实验室,山西,太原,030001;中国科学院山西煤炭化学研究所,煤转化国家重点实验室,山西,太原,030001;北京化工大学,化工资源有效利用国家重点实验室,北京,100029 |
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| 基金项目： | 国家自然科学基金,国家高技术研究发展计划(863计划),太原科技大学博士科研启动基金 |
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| 摘 要： | 利用程序升温热解反应器─元素汞在线检测系统联用装置,研究了晋城煤中汞的热稳定性以及与热稳定性相关的晋城煤中汞的赋存形态。研究表明,煤中大部分汞与煤中无机矿物质伴/共生,少部分与煤中有机质伴/共生。其中,在200℃~300℃和900℃~1200℃释放的汞与煤中无机矿物质伴/共生,在300℃~600℃释放的汞部分与无机矿物质伴/共生,部分与煤中有机质伴/共生。
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| 关 键 词： | 煤中汞 热稳定性 赋存形态 |
| 收稿时间： | 2008-06-11 |
| 修稿时间： | 2008-09-03 |
Thermal stability and occurrence of forms of mercury in Jincheng coal |
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| GUO Shao-qing,YANG Jian-li,LIU Zhen-yu. Thermal stability and occurrence of forms of mercury in Jincheng coal[J]. Journal of Fuel Chemistry and Technology, 2009, 37(1): 115-118 |
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| Authors: | GUO Shao-qing YANG Jian-li LIU Zhen-yu |
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| Affiliation: | 1.State Key Laboratory of Coal Conversion;Institute of Coal Chemistry;Chinese Academy of Sciences;Taiyuan 030001;China;2.Taiyuan University of Science and Technology;Taiyuan 030024;3.State Key Laboratory of Chemical Resource Engineering;Beijing University of Chemical Technology;Beijing 100029;China |
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| Abstract: | The thermal stability of mercury in Jincheng (JC) coal was studied with TPD-AFS system. An Attempt was made to identify the occurrence of the forms of mercury in JC coal according to its thermal stability. The mercury released at 200℃～300℃ is associated with the sulphate minerals that can be leached by HCl and decomposed at lower temperature. The part of mercury released at 300℃～600℃ is associated with pyrite that can be leached by HNO3, while a part of mercury is associated with the organic matters in JC coal. The mercury released at 900℃～1200℃ is associated with silicate minerals that can be leached by HF and decomposed at higher temperature. In general, the most of mercury in JC coal associated with minerals and a small fraction of mercury associated with organic matters in coal. |
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| Keywords: | mercury in coal thermal stability occurrence of forms |
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