Knowledge Management System Of Institute of Earth Environment, CAS
| Chemical speciation and combustion behavior of chromium (Cr) and vanadium (V) in coals | |
| Liu, Yuan1,2; Liu, Guijian1,2; Qi, Cuicui1; Cheng, Siwei1; Sun, Ruoyu1 | |
| 2016-11-15 | |
| 发表期刊 | FUEL
 |
| 卷号 | 184期号:2016页码:42-49 |
| 文章类型 | Article |
| 摘要 | Twenty-one coal samples of different coal ranks and one stone coal sample were collected from nine provinces in China, with an aim of studying the chemical speciation and combustion behavior of Cr and V in coals. The concentrations of Cr and V in studied coals range from 0.12 to 176 mu g/g, and from 2.74 to 61.5 mu g/g, respectively. Six operationally defined modes of occurrence of Cr and V are extracted from the coal using the sequential extraction procedure: water leachable, ion exchangeable, organic matter bound, carbonate bound, silicate bound and sulfide bound. Among these six modes, silicate bound Cr and V have the highest fractions. With the increase of coal rank, organic matter bound Cr and V show decline trends. We found that Cr and V are highly correlated in the coal samples, which may relate to their leading existence as silicate bound and organic bound forms. Both Cr and V exhibit medium to low volatility, due to their high association with silicate. The volatilization ratios of Cr and V in coals decrease with the advance of coal rank. (C) 2016 Elsevier Ltd. All rights reserved. |
| 关键词 | Chemical Speciation Chromium Vanadium Coal Rank |
| WOS标题词 | Science & Technology ; Technology |
| DOI | 10.1016/j.fuel.2016.07.003 |
| 关键词[WOS] | HAZARDOUS TRACE-ELEMENTS ; LATE PERMIAN COALS ; SHENBEI COALFIELD ; CHINA ; LIGNITE ; MODES ; CARCINOGENICITY ; GEOCHEMISTRY ; TOXICITY ; PROVINCE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Energy & Fuels ; Engineering |
| WOS类目 | Energy & Fuels ; Engineering, Chemical |
| WOS记录号 | WOS:000381619800006 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ieecas.cn/handle/361006/5665 |
| 专题 | 黄土与第四纪地质国家重点实验室（2010~） |
| 作者单位 | 1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Yuan,Liu, Guijian,Qi, Cuicui,et al. Chemical speciation and combustion behavior of chromium (Cr) and vanadium (V) in coals[J]. FUEL,2016,184(2016):42-49. |
| APA | Liu, Yuan,Liu, Guijian,Qi, Cuicui,Cheng, Siwei,&Sun, Ruoyu.(2016).Chemical speciation and combustion behavior of chromium (Cr) and vanadium (V) in coals.FUEL,184(2016),42-49. |
| MLA | Liu, Yuan,et al."Chemical speciation and combustion behavior of chromium (Cr) and vanadium (V) in coals".FUEL 184.2016(2016):42-49. |
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| 文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
| Chemical speciation （645KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 请求全文 | |
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