郭红玉;李赛赛;沈野;李云嵩;许小凯;刘小磊;

• 1:河南理工大学能源科学与工程学院
• 2:河南理工大学资源环境学院
• 3:河南理工大学安全科学与工程学院

摘要(Abstract)：

为探究风化煤的结构与生物产气效果的变化特征，拓宽风化煤的利用途径，选取内蒙古乌海、山西晋城和太原西山不同风化程度的煤样，以矿井水为菌种来源进行生物产气模拟试验，并从煤的显微组分与官能团方面解释生物产气效果。结果表明：随风化程度加深，煤样镜质组边界与裂隙周围存在的氧化边缘越来越明显，裂隙增大，脂碳、芳碳和羰基的分峰占比下降，芳香结构被破坏，羧基的分峰占比明显增加，含氧官能团的分峰占比整体提升，羧基的分峰占比增加会使产气总量明显增加；煤样受到严重风化后，即使其生物产气总量继续增加，但CH_4体积分数可能会出现下降趋势。

关键词(KeyWords)： 环境工程学;风化煤;显微组分;官能团;生物产气

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41972178,42072193);; 河南省优秀青年科学基金项目(202300410168)

作者(Authors): 郭红玉;李赛赛;沈野;李云嵩;许小凯;刘小磊;

DOI: 10.13637/j.issn.1009-6094.2021.0556

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