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伊敏褐煤中微量元素的地球化学特征及其无机-有机亲和性分析

梁虎珍 ,  曾凡桂 ,  相建华 ,  李美芬

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引用本文: 梁虎珍, 曾凡桂, 相建华, 李美芬. 伊敏褐煤中微量元素的地球化学特征及其无机-有机亲和性分析[J]. 燃料化学学报, 2013, 41(10): 1173-1183. shu
Citation:  LIANG Hu-zhen, ZENG Fan-gui, XIANG Jian-hua, LI Mei-fen. Geochemical characteristics and inorganic-organic affinity of the trace elements in Yimin lignite[J]. Journal of Fuel Chemistry and Technology, 2013, 41(10): 1173-1183. shu

伊敏褐煤中微量元素的地球化学特征及其无机-有机亲和性分析

    通讯作者: 曾凡桂,Tel:0351-6010468,E-mail:zengfangui@tyut.edu.cn。
  • 基金项目:

    国家自然科学基金(41072116, 40772097, 41102092, 41103052) (41072116, 40772097, 41102092, 41103052)

    高等学校博士学科点专项科研基金(20091402110002) (20091402110002)

    2010年山西省研究生优秀创新项目 

    2012太原市科技项目(120247-27)。 (120247-27)

摘要: 采用脱矿物质、提取腐殖酸等方法结合ICP-MS对伊敏15上、16下煤中的32种微量元素的含量及其赋存特征进行了分析。与地壳克拉克值及中国侏罗-白垩纪煤和世界褐煤中微量元素含量相比,伊敏褐煤中微量元素没有明显富集。脱矿物质处理后,Ni明显富集,As略比原煤高,其他微量元素都低于原煤。原煤提取腐殖酸和脱矿物煤提取腐殖酸中Ni、Mo、Cd、Sn、W明显富集,这表明Ni、Mo、Cd、Sn、W和腐殖酸形成了稳定的有机态化合物。原煤提取腐殖酸残煤和脱矿物煤提取腐殖酸残煤中V、Ni、As富集,表明V、Ni、As与煤的大分子结构形成了稳定的有机态化合物。根据微量元素和灰分的相关性系数,把微量元素分为以下几类:无机富集元素Cr、U;亲无机元素Cu、Cd、In、Sn、Ga、Y、Zr、Hf、Bi、Th;偏无机元素Be、Sc、Rb、Sr、Nb、Cs、Ta、Pb;偏有机元素V、As、Tl、Ba、Se;亲有机元素Li、Co、W;有机富集元素Ni、Zn、Mo、Sb。

English

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  • 收稿日期:  2013-02-21
  • 网络出版日期:  2013-04-25
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