Decomposition of the Gas–Coal Solid Solution in Coal Beds: Energy Analysis

IF 0.4 Q4 ENGINEERING, CHEMICAL
V. A. Bobin, E. N. Kozyreva
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引用次数: 0

Abstract

A gas–coal solid solution is shown to be a metastable form of methane molecules in the coal microstructure. Its decomposition on account of molecular repulsion occurs when the pressure in the coal bed is released. It is also established that the gas content of the coal bed consists of the methane formed in the coal bed over its entire geological existence and cannot be estimated by means of the Langmuir formula. A model developed for the decomposition of the gas–coal solid solution yields a mathematical equation describing this process.

煤层中气-煤固溶体的分解:能量分析
煤-气固溶体是煤微观结构中甲烷分子的亚稳态形式。当煤层压力释放时,由于分子斥力的作用而发生分解。并确定了煤层含气量由煤层在其整个地质存在期内形成的甲烷组成,不能用Langmuir公式来估计。为气-煤固溶体的分解所建立的模型产生了描述这一过程的数学方程。
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来源期刊
Coke and Chemistry
Coke and Chemistry ENGINEERING, CHEMICAL-
CiteScore
0.70
自引率
50.00%
发文量
36
期刊介绍: The journal publishes scientific developments and applications in the field of coal beneficiation and preparation for coking, coking processes, design of coking ovens and equipment, by-product recovery, automation of technological processes, ecology and economics. It also presents indispensable information on the scientific events devoted to thermal rectification, use of smokeless coal as an energy source, and manufacture of different liquid and solid chemical products.
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