| 煤中汞,砷,硒赋存形态的研究 |
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| 引用本文： | 郭欣,郑楚光,刘迎晖,刘晶,陆晓华.煤中汞,砷,硒赋存形态的研究[J].工程热物理学报,2001,22(6):763-766. |
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| 作者姓名： | 郭欣 郑楚光 刘迎晖 刘晶 陆晓华 |
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| 作者单位： | 华中理工大学 |
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| 基金项目： | 国家自然科学基金资助项目（No．59876013），国家重点基础研究专项基金资助项目（No．G199902212），华中科技 |
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| 摘 要： | 本文利用连续化学浸提法对三种典型煤进行连续浸提，根据不同形态的溶解度，将煤中的汞，砷，硒分为可交换态，硫化物形态，有机物结合态及残渣态四种形态。结果表明不同的煤有不同的形态分布特征。但总体来看，汞主要以硫化物形态和残渣态存在。砷主要以硫化物形态存在。硒赋存在硫化物，有机物及残渣态中。
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| 关 键 词： | 煤 汞 砷 硒 连续化学提取 赋存形态 |
| 文章编号： | 0253-231(2001)06-0763-04 |
| 修稿时间： | 2000年11月29 |
THE STUDY ON THE MODE OF OCCURRENCE OF MERCURY, ARSENIC AND SELENIUM IN COAL |
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| GUO Xin ZHENG Chu-Guang LIU Ying-Hui LIU Jing LU Xiao-Hua.THE STUDY ON THE MODE OF OCCURRENCE OF MERCURY, ARSENIC AND SELENIUM IN COAL[J].Journal of Engineering Thermophysics,2001,22(6):763-766. |
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| Authors: | GUO Xin ZHENG Chu-Guang LIU Ying-Hui LIU Jing LU Xiao-Hua |
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| Abstract: | The mode of occurrence of trace mercury, arsenic and selenium in three typical coals were investigated using sequential chemical extraction procedure. The research shows that sequential chem- ical extract method is efficient in determining the occurrence of trace elements in coal quantitatively. It was also found that mercury in coal mainly occurs in bound-sulfide and residue, Arsenic mainly occurs in bound-sulfide. There are a variety of occurrence modes of trace selenium in different coals. |
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| Keywords: | coal mercury arsenic selenium sequential extraction mode of occurrence |
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