Variation of Hg content in low sulfur coals in relation to the coal-forming environment: a case study from Zhuji Coal Mine, Huainan Coalfield, North China
Wang, XD (Wang, Xudong)[ 1,2,3 ]; Wu, D (Wu, Dun)[ 1,3,4 ]; Liu, GJ (Liu, Guijian)[ 1,2,3 ]; Sun, RY (Sun, Ruoyu)[ 5 ]
2018-10
发表期刊Environmental Earth Sciences
卷号77期号:19页码:703
文章类型期刊论文
摘要

Twenty-nine low sulfur coal samples were selected to determine the magnitude and variability of mercury (Hg) content in a well-documented stratigraphy system including ten continuous coal seams in Zhuji Coal Mine, Huainan Coalfield, Anhui Province, North China. Mercury content of samples was measured on a direct mercury analyzer and confident results were obtained as evaluated by standard references, sample replicates and procedural blanks. The calculated overall mine average Hg content is 71.19 ± 9.28 ng/g based on seam averages and weighting by the estimated reserve of each coal seam. The estimated Hg emission potential for Huainan coalfield is obviously lower than that calculated from coal emission factor in industrial use. An increasing trend of Hg content with the evolution of depositional environment was observed from Nos. 3 to 11-2 coal seams. Combining the evidence of sedimentology and paleontology, a better understanding was gained of the mechanism of Hg sequestration in specific coal benches. A large portion of Hg residing in the low sulfur coals presumably integrated to the functional groups of organic constitution, whereas pyrite was generally abundant in the high sulfur coals.

关键词Mercury Coal Low Sulfur Coal-forming Environment Huainan Coalfeld
DOI10.1007/s12665-018-7861-0
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9574
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Wu, D (Wu, Dun)[ 1,3,4 ]; Liu, GJ (Liu, Guijian)[ 1,2,3 ]
作者单位1.School of Earth and Space Sciences, CAS Key Laboratoryof Crust-Mantle Materials and Environment, Universityof Science and Technology of China, Hefei 230026, Anhui,China;
2.Anhui Public Welfare Geological Survey ManagementCenter, The Chinese Academy of Sciences, Xi’an 710075,Shaanxi, China;
3.State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment, The Chinese Academyof Sciences, Xi’an 710075, Shaanxi, China;
4.Exploration Research Institute, Anhui Provincial Bureauof Coal Geology, Hefei 23008, Anhui, China;
5.Institute of Surface-Earth System Science, Tianjin University,Tianjin 300072, China
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Wang, XD ,Wu, D ,Liu, GJ ,et al. Variation of Hg content in low sulfur coals in relation to the coal-forming environment: a case study from Zhuji Coal Mine, Huainan Coalfield, North China[J]. Environmental Earth Sciences,2018,77(19):703.
APA Wang, XD ,Wu, D ,Liu, GJ ,&Sun, RY .(2018).Variation of Hg content in low sulfur coals in relation to the coal-forming environment: a case study from Zhuji Coal Mine, Huainan Coalfield, North China.Environmental Earth Sciences,77(19),703.
MLA Wang, XD ,et al."Variation of Hg content in low sulfur coals in relation to the coal-forming environment: a case study from Zhuji Coal Mine, Huainan Coalfield, North China".Environmental Earth Sciences 77.19(2018):703.
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