Methane Adsorption on Shale: Insights from Experiments and a Simplified Local Density Model

We herein present a method for predicting adsorption isotherms of methane on shale using the simplified local density (SLD) theory: First, the adsorption isotherms of methane on shale samples were measured and then its adsorption on illite, illite/smectite mixed layer, chlorite, type I, type II and...

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Bibliographic Details
Main Authors: Luo Zuo, Yupu Wang, Wei Guo, Wei Xiong, Shusheng Gao, Zhiming Hu, Shen Rui
Format: Article
Language:English
Published: SAGE Publishing 2014-07-01
Series:Adsorption Science & Technology
Online Access:https://doi.org/10.1260/0263-6174.32.7.535
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Summary:We herein present a method for predicting adsorption isotherms of methane on shale using the simplified local density (SLD) theory: First, the adsorption isotherms of methane on shale samples were measured and then its adsorption on illite, illite/smectite mixed layer, chlorite, type I, type II and type III kerogen was described with the SLD theory. Second, based on the SLD parameters obtained from adsorption data on kerogen, clay minerals and the composition of the studied shale, we predicted adsorption capacity of the shale using a linear combination of the adsorption capacities of the pure substances weighted by their relative abundance.
ISSN:0263-6174
2048-4038