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Discussion on Model of Adsorption of Methane on Coal under Different Water Conditions
Pages: 89-91
Year: Issue:  3
Journal: Safety in Coal Mines

Keyword:  水分等温吸附模型拟合拟合精度;
Abstract: 采用人为加湿煤样的方法,研究了Langmuir、BET、D-R及Freundlich等4个模型在不同水分条件下吸附甲烷的特性.结果表明:随着水分的增加,表征饱合吸附量的4个模型的特征参数值均减少;不同水分条件下,Langmuir模型拟合煤吸附甲烷等温线精度最高,D-R次之,BET模型最差;高压条件下,BET模型不适于描述不同水分含量煤样的等温吸附过程.
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