通过温度变化估算煤的甲烷解吸热量

IF 0.4 Q4 ENGINEERING, CHEMICAL Coke and Chemistry Pub Date : 2024-05-13 DOI:10.3103/S1068364X24600027

V. A. Bobin, E. N. Kozyreva

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引用次数: 0

摘要

根据解吸感应的温度变化，提出了一种评估煤中甲烷解吸热的方法。得到的甲烷解吸热值为 95 kJ/mol，是量热法所得结果的 3-4 倍。这很可能意味着煤气固溶体的分解。预测了抽入二氧化碳进行储存的煤层的温升。提出了实验室和竖井解吸感应热力学实验的方法。

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Estimating the Heat of Methane Desorption from Coal by Means of the Temperature Change

A method is proposed for assessing the heat of methane desorption from coal on the basis of the temperature change in desorptional induction. The value obtained for the heat of methane desorption is 95 kJ/mol, which is 3–4 times the result obtained by calorimetry. That most likely signifies breakdown of the coal–gas solid solution. The temperature rise in the coal seams into which carbon dioxide is pumped for storage is predicted. A method is proposed for laboratory and shaft experiments on the thermodynamics of desorptional induction.

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来源期刊

Coke and Chemistry ENGINEERING, CHEMICAL-

CiteScore

0.70

自引率

50.00%

发文量

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.