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Phase Equilibrium Conditions of Tetrabutyl Ammonium Nitrate + CO2, N-2, or CH4 Semiclathrate Hydrate Systems
Du, Jian-Wei1,2; Liang, De-Qing1; Li, Dong-Liang1; Chen, Yu-Feng1,2; Li, Xin-Jun1
2011-10-19
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷号50期号:20页码:11720-11723
摘要Phase equilibrium conditions for semiclathrate hydrates formed from tetrabutyl ammonium nitrate (TBANO(3)) + CO2, N-2, or CH4 + water system were investigated under high-pressure in a "full view" sapphire cell. An isochoric equilibrium step-heating pressure-search method was used for the determination of the hydrate phase transition points through plotting the points of intersection of hydrate-liquid vapor (H-L-V) to liquid vapor (L-V) experimentally. All the experimental equilibrium data were obtained in the presence of TBANO3 solution at ammonium salt mass fraction of 0.3941 corresponding to a stoichiometric composition for TBANO(3)center dot 26H(2)O. Measurements were performed for TBANO(3) + CO2 + water, TBANO3 + N-2 + water, and TBANO(3) + CH4 + water system in the temperature range of (281.5 to 290.9) K and in the pressure range of (1.19 to 32.89) MPa. The three-phase equilibrium lines of TBANO(3) + N-2 and TBANO(3) + CO2 semiclathrate hydrate shifted the hydrate stability region to lower pressure and higher temperature than that of the pure N-2 and CO2 hydrate, respectively. However, the addition of TBANO(3) made TBANO(3) + CH4 semidathrate hydrate phase equilibrium curve at higher pressure than the pure CH4 hydrate.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/ie200380J
研究领域[WOS]Engineering
关键词[WOS]N-BUTYL ; HYDROGEN STORAGE ; CARBON-DIOXIDE ; GAS HYDRATE ; NITROGEN ; BROMIDE ; METHANE ; SALTS ; CYCLOPENTANE ; STABILITY
收录类别SCI
语种英语
WOS类目Engineering, Chemical
WOS记录号WOS:000295667100032
引用统计
被引频次:22[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/344007/10421
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, China Grad Univ, Beijing 100049, Peoples R China
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Du, Jian-Wei,Liang, De-Qing,Li, Dong-Liang,et al. Phase Equilibrium Conditions of Tetrabutyl Ammonium Nitrate + CO2, N-2, or CH4 Semiclathrate Hydrate Systems[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2011,50(20):11720-11723.
APA Du, Jian-Wei,Liang, De-Qing,Li, Dong-Liang,Chen, Yu-Feng,&Li, Xin-Jun.(2011).Phase Equilibrium Conditions of Tetrabutyl Ammonium Nitrate + CO2, N-2, or CH4 Semiclathrate Hydrate Systems.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,50(20),11720-11723.
MLA Du, Jian-Wei,et al."Phase Equilibrium Conditions of Tetrabutyl Ammonium Nitrate + CO2, N-2, or CH4 Semiclathrate Hydrate Systems".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 50.20(2011):11720-11723.
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