含水页岩甲烷吸附研究进展

doi:10.19286/j.cnki.cci.2022.01.037

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Abstract In order to analysis the influence of water on adsorption of CH4 on shale. Based on related and currently available literature, the present study investigates the effect of water content on adsorption behavior of CH4 and pores of shale, six adsorption models considering water content and their applicable conditions were introduced. The research status of methane adsorption on water-bearing shale and the emphases and difficulties of the research are provied, and further development trend of methane adsorption in water-bearing shale are discussesed. The results show that water in shale not only reduces the maximum saturated adsorption capacity and isosteric heat of adsorption for CH4, but also decreases the adsorption and diffusion rate of CH4 molecules in shale. And the effect of water on adsorption/ desorption hysteresis of CH4 on shale is more obvious. The specific surface area, average pore size and micropore area of shale increased after water treatment.

Key words： shale adsorption moisture content methane adsorption mechanism adsorption model

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	Articles by authors
	Geng Linke
	Duan Shuo

Cite this article:

Geng Linke,Duan Shuo. Research progress of methane adsorption on water-bearing shale[J]. CCI, 2022, 45(1): 135-140，143..

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http://www.mtyhg.com.cn/EN/10.19286/j.cnki.cci.2022.01.037 OR http://www.mtyhg.com.cn/EN/Y2022/V45/I1/135

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