郑景华,刘天雪,刘志斌

• 1:辽宁工程技术大学环境科学与工程学院

摘要(Abstract)：

采集内蒙古某矿区1#和2#井田主采煤层的煤样,分析煤样中的有机和无机组分,及煤中全硫和硫酸盐硫、硫化铁硫、有机硫三态的硫质量分数,并对煤样进行烧灼试验,测定了灰分中砷的质量比。运用SPSS软件,将煤中砷质量比与煤中有机和无机显微组分、全硫及三态硫质量分数分别进行一元回归分析。结果表明,煤中砷与有机显微组分中的半镜质组的相关系数为0.997,与无机显微组分黏土类、硫化物、碳酸盐的相关系数分别为0.998、1、0.981,呈正相关(p<0.05);煤中砷与全硫、硫化铁中硫和有机硫化物相关系数分别为0.986、0.979、0.991,呈显著正相关(p<0.001)。随着产灰率的增高,灰分中砷质量比也相应有增高趋势,二者存在显著线性关系。

关键词(KeyWords)： 矿山安全;砷;赋存状态;回归分析

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51174266)

作者(Author): 郑景华,刘天雪,刘志斌

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