The characteristic curve of methane adsorbed on coal and its role in the coalbed methane storage research

被引：0
|
作者：
Cui, YJ [1 ]
Li, YH [1 ]
Zhang, Q [1 ]
Jiang, WP [1 ]
机构：
[1] Xian Branch China Coal Res Inst, Xian 710054, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2005年 / 50卷
关键词：
coal; coalbed methane; adsorption; characteristic curve; storage;
D O I：
10.1007/BF03184088
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Based on the adsorption potential theory, this paper processes and analyzes the isothermal adsorption data at different temperatures of four coal samples with different ranks. The research results indicate that the adsorption characteristic curve of methane adsorbed on the coal sample is a single curve, and the mathematical expression of the methane adsorption capacity, temperature and pressure is achieved from the characteristic curve. According to the calculating routine and method presented, the adsorption capacity at other equilibrium conditions can be calculated from the adsorption data of one temperature. The results of this paper are a significant contribution to the research on the storage mechanism of the coalbed methane.
引用
收藏
页码：86 / 92
页数：7
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