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Analyzing the Adaption of Different Adsorption Models for Describing the Shale Gas Adsorption Law
Author(s) -
Wang Zhouhua,
Li Yun,
Guo Ping,
Meng Weijie
Publication year - 2016
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.201500617
Subject(s) - langmuir , adsorption , oil shale , isothermal process , freundlich equation , shale gas , langmuir adsorption model , petroleum engineering , economic shortage , component (thermodynamics) , thermodynamics , sorption , chemistry , materials science , chemical engineering , mineralogy , geology , organic chemistry , physics , engineering , waste management , government (linguistics) , linguistics , philosophy
The adsorption capacity of a shale gas reservoir is mainly determined by the isothermal adsorption experiment. In this study, the building conditions and performances of seven single‐component and five multi‐component adsorption models were compared and analyzed. The results show that most shale gas reservoir adsorption characteristics obey those of type I on the macroscopic scale. The adsorption isotherms of single components can be described by the Langmuir‐Freundlich, Langmuir, and Toth models. The revised Langmuir, extended Langmuir, and the loading ratio correlation (LRC) models can be applied to binary‐component mixtures; and the extended Langmuir and LRC models perform best for shale gas. The obtained results might have an important promoting effect for modeling the shortage of shale gas.