IGGCAS OpenIR  > 油气资源研究院重点实验室
New perspectives on supercritical methane adsorption in shales and associated thermodynamics
Tang, Xu1,2; Ripepi, Nino3; Rigby, Sean4; Mokaya, Robert1; Gilliland, Ellen3
2019-10-25
Source PublicationJOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
ISSN1226-086X
Volume78Pages:186-197
AbstractUnderstanding methane adsorption behavior in shales is fundamental for optimizing shale gas development as the adsorbed methane is a large portion of the subsurface shale gas resource. However, the adsorption mechanism of supercritical methane in shales and associated thermodynamics are poorly understood because the equation of state of the adsorbed methane is unmeasurable. This work analyzed adsorption equilibria (up to 32 MPa and 393.15 K) using a rigorous framework that can account for non ideal gas properties and accurately extrapolate absolute adsorption uptakes from measured adsorption isotherms. The framework also allowsy a straightforward calculation of thermodynamic potentials relevant to adsorption such as enthalpy and entropy. Modelling results show that methane adsorption isotherms in shale under different pressures and temperatures are represented by a two dimensional adsorption isotherm surface. The density of the adsorbed methane in shales depends on temperature and pressure, which is always lower than the liquid methane density but higher than the corresponding gaseous methane density. The temperature-dependent and pressure-dependent characteristics of adsorbed methane density leads to the corresponding temperature-dependent and pressure-dependent measured/absolute adsorption isotherms. The maximum adsorption uptake of shales is independent of temperature and pressure. The isosteric enthalpy/entropy of adsorption and enthalpy/entropy of adsorbed methane are found to be temperature- and surface coverage-dependent. These new findings therefore not only clarify some historical misunderstandings of methane adsorption in shales for engineering application, but also provide a novel framework for interpreting methane adsorption behavior in shales and for determining the associated thermodynamics. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
KeywordShale Methane Adsorption Enthalpy Adsorbed density
DOI10.1016/j.jiec.2019.06.015
Funding OrganizationEuropean Union ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program ; European Union ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program ; European Union ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program ; European Union ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program
WOS KeywordCARBON-DIOXIDE ADSORPTION ; HIGH-PRESSURE ; ISOSTERIC HEAT ; SICHUAN BASIN ; TEMPERATURE-DEPENDENCE ; ABSOLUTE ADSORPTION ; SORPTION ISOTHERMS ; ACTIVATED CARBONS ; GAS-STORAGE ; MONTE-CARLO
Language英语
Funding ProjectEuropean Union[793,128] ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program[DE-FE0006827] ; U.S. Department of Energy through the National Energy Technology Laboratory's Program[FE0029465] ; U.S. Department of Energy through the National Energy Technology Laboratory's Program[DE-FE0026086]
Funding OrganizationEuropean Union ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program ; European Union ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program ; European Union ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program ; European Union ; Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences ; U.S. Department of Energy through the National Energy Technology Laboratory's Program
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000477689400020
PublisherELSEVIER SCIENCE INC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/92923
Collection油气资源研究院重点实验室
Corresponding AuthorTang, Xu
Affiliation1.Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
3.Virginia Polytech Inst & State Univ, Dept Min & Minerals Engn, Blacksburg, VA 24060 USA
4.Univ Nottingham, Dept Chem & Environm Engn, Nottingham NG7 2RD, England
Recommended Citation
GB/T 7714
Tang, Xu,Ripepi, Nino,Rigby, Sean,et al. New perspectives on supercritical methane adsorption in shales and associated thermodynamics[J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,2019,78:186-197.
APA Tang, Xu,Ripepi, Nino,Rigby, Sean,Mokaya, Robert,&Gilliland, Ellen.(2019).New perspectives on supercritical methane adsorption in shales and associated thermodynamics.JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,78,186-197.
MLA Tang, Xu,et al."New perspectives on supercritical methane adsorption in shales and associated thermodynamics".JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY 78(2019):186-197.
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