唐书恒,杨宁

• 1:中国地质大学(北京)能源学院

摘要(Abstract)：

为研究准格尔串草圪旦5号煤微量元素地球化学特征,采用光学显微镜、扫描电子显微镜和X射线衍射(XRD)方法观测煤中矿物组成及形态特征,应用电感耦合等离子质谱morphological feature(ICP-MS)方法测定煤中多种微量元素含量,运用数理统计方法研究微量元素在煤中的赋存特征。结果表明:5号煤中Be、F、U、Hg元素相对富集,含量高于研究区6号煤及华北煤中含量水平。5号煤中F、Se无机亲和性强,Be、As、U为亲有机元素;Hg与硫含量显著正相关。元素在煤中主要以有机结合态、无机结合态和硫化物结合态为主要赋存状态。

关键词(KeyWords)： 煤;微量元素;地球化学;准格尔煤田

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划“973”项目(2014CB238901);; 国家自然科学基金重点项目(41330317)

作者(Author): 唐书恒,杨宁

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