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Gas hydrate equilibrium dissociation conditions in porous media using two thermodynamic approaches
Li, Xiao-Sen1,2; Zhang, Yu1,2; Li, Gang1,2; Chen, Zhao-Yang1,2; Yan, Ke-Feng1,2; Li, Qing-Ping3
2008-09-01
发表期刊JOURNAL OF CHEMICAL THERMODYNAMICS
卷号40期号:9页码:1464-1474
摘要We employ two thermodynamic approaches, based on the equal fugacities and the equal activities, to predict the gas hydrate equilibrium dissociation conditions in the porous media. The predictions are made for the hydrate systems, CH(4)/H(2)O, C(2)H(6)/H(2)O, C(3)H(8)/H(2)O, CO(2)/H(2)O, CH(4)/CO(2)/H(2)O, C(3)HB/CH(4)/C(2)H(6)/H(2)O, and CH(4)/CH(3)OH/H(2)O. For the non-hydrate phase, we used the Trebble-Bishnoi equation in the fugacity approach and the Soave-Redlich-Kwong equation in the activity approach. For the hydrate phase, the van der Waals-Platteeuw model incorporated with the capillary model of Llamedo et at. [M. Llamedo, R. Anderson, B. Tohicli, Am. Mineral. 89 (2004) 1264-1270] was used in the two approaches. The predictions are found to be in satisfactory to good agreement with the experimental data. The predictive ability of the fugacity approach is better than that of the activity approach. (C) 2008 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Hydrate Porous Media Equilibrium Dissociation Condition Fugacity Activity
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.jct.2008.04.009
研究领域[WOS]Thermodynamics ; Chemistry
关键词[WOS]PORE-SIZE DISTRIBUTIONS ; SILICA-GEL PORES ; PHASE-EQUILIBRIA ; CARBON-DIOXIDE ; METHANE ; MODEL ; PRESSURES ; MIXTURES ; TEMPERATURES
收录类别SCI
语种英语
WOS类目Thermodynamics ; Chemistry, Physical
WOS记录号WOS:000262345800018
引用统计
被引频次:68[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10293
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy & Cos Hydrate, Guangzhou 510640, Guangdong, Peoples R China
3.CNOOC Res Ctr, Deepwater Engn Key Lab, Technol Res Dept, Beijing 100027, Peoples R China
推荐引用方式
GB/T 7714
Li, Xiao-Sen,Zhang, Yu,Li, Gang,et al. Gas hydrate equilibrium dissociation conditions in porous media using two thermodynamic approaches[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2008,40(9):1464-1474.
APA Li, Xiao-Sen,Zhang, Yu,Li, Gang,Chen, Zhao-Yang,Yan, Ke-Feng,&Li, Qing-Ping.(2008).Gas hydrate equilibrium dissociation conditions in porous media using two thermodynamic approaches.JOURNAL OF CHEMICAL THERMODYNAMICS,40(9),1464-1474.
MLA Li, Xiao-Sen,et al."Gas hydrate equilibrium dissociation conditions in porous media using two thermodynamic approaches".JOURNAL OF CHEMICAL THERMODYNAMICS 40.9(2008):1464-1474.
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