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A vapor-liquid phase equilibrium model for binary CO2-H2O and CH4-H2O systems above 523 K for application to fluid inclusions

文献类型：期刊论文

作者Mao, Shide2,3; Duan, Zhenhao1; Hu, Wenxuan4
刊名JOURNAL OF SUPERCRITICAL FLUIDS
出版日期2009-08-01
卷号50期号:1页码:13-21
关键词CO2-H2O CH4-H2O Phase equilibria Volume Fluid inclusion Isochore
ISSN号0896-8446
DOI10.1016/j.supflu.2009.02.007
文献子类Article
英文摘要Accurate prediction of both volumetric and vapor-liquid phase equilibria of binary CO2-H2O and CH4-H2O mixtures with a single equation of state proves to be difficult. In this study we use an activity-fugacity model to predict the vapor-liquid phase equilibria above 523 K and adapt a Helmoholtz model to calculate volumetric properties of these two binary systems. The average deviations of water content in the vapor phase from experimental data are 3.25% and 3.19% for the CO2-H2O and CH4-H2O mixtures, respectively, and the average deviations of gas solubility in liquid phase from experimental data are 4.29% and 3.50%, respectively. The model can find wide applications, and an example is given for the analysis of fluid inclusions in geochemistry. (C) 2009 Published by Elsevier B.V.
WOS关键词EQUATION-OF-STATE ; PARTIAL MOLAL PROPERTIES ; CROSS VIRIAL-COEFFICIENTS ; ORDINARY WATER SUBSTANCE ; AQUEOUS NACL SOLUTIONS ; CARBON-DIOXIDE ; TRANSPORT-PROPERTIES ; HIGH TEMPERATURES ; HIGH-PRESSURES ; 100 MPA
WOS研究方向Chemistry ; Engineering
语种英语
WOS记录号WOS:000274354700003
出版者ELSEVIER SCIENCE BV
资助机构Chinese Academy of Sciences(kzcx2-yw-124) ; Chinese Academy of Sciences(kzcx2-yw-124) ; National Natural Science Foundation of China(40537032 ; National Natural Science Foundation of China(40537032 ; NKBRDPC(2005CB422103) ; NKBRDPC(2005CB422103) ; 40873050) ; 40873050) ; Chinese Academy of Sciences(kzcx2-yw-124) ; Chinese Academy of Sciences(kzcx2-yw-124) ; National Natural Science Foundation of China(40537032 ; National Natural Science Foundation of China(40537032 ; NKBRDPC(2005CB422103) ; NKBRDPC(2005CB422103) ; 40873050) ; 40873050) ; Chinese Academy of Sciences(kzcx2-yw-124) ; Chinese Academy of Sciences(kzcx2-yw-124) ; National Natural Science Foundation of China(40537032 ; National Natural Science Foundation of China(40537032 ; NKBRDPC(2005CB422103) ; NKBRDPC(2005CB422103) ; 40873050) ; 40873050) ; Chinese Academy of Sciences(kzcx2-yw-124) ; Chinese Academy of Sciences(kzcx2-yw-124) ; National Natural Science Foundation of China(40537032 ; National Natural Science Foundation of China(40537032 ; NKBRDPC(2005CB422103) ; NKBRDPC(2005CB422103) ; 40873050) ; 40873050)
源URL[http://ir.iggcas.ac.cn/handle/132A11/71352]  
专题中国科学院地质与地球物理研究所
通讯作者Duan, Zhenhao
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earths Deep Interior, Beijing 100029, Peoples R China
2.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China
3.China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
4.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Peoples R China
推荐引用方式
GB/T 7714		 Mao, Shide,Duan, Zhenhao,Hu, Wenxuan. A vapor-liquid phase equilibrium model for binary CO2-H2O and CH4-H2O systems above 523 K for application to fluid inclusions[J]. JOURNAL OF SUPERCRITICAL FLUIDS,2009,50(1):13-21.
APA Mao, Shide,Duan, Zhenhao,&Hu, Wenxuan.(2009).A vapor-liquid phase equilibrium model for binary CO2-H2O and CH4-H2O systems above 523 K for application to fluid inclusions.JOURNAL OF SUPERCRITICAL FLUIDS,50(1),13-21.
MLA Mao, Shide,et al."A vapor-liquid phase equilibrium model for binary CO2-H2O and CH4-H2O systems above 523 K for application to fluid inclusions".JOURNAL OF SUPERCRITICAL FLUIDS 50.1(2009):13-21.

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来源：地质与地球物理研究所

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