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Clathrate hydrate dissociation conditions and structure of the methane plus cyclopentane plus trimethylene sulfide hydrate in NaCl aqueous solution
Lv, Qiunan1,2,3; Li, Lu1,2,3,4; Li, Xiaosen1,2,3; Chen, Zhaoyang1,2,3
2016-10-15
发表期刊FLUID PHASE EQUILIBRIA
卷号425页码:305-311
摘要In present work, the phase equilibrium of methane + cyclopentane (CP) + timethylene sulfide (TMS) hydrate were measured in NaCI solution at the temperature range from 286.42 to 303.77 K and the pressure varying from 1.16 to 12.49 MPa. The experimental data were measured with an isochoric T-cycle method. The phase equilibrium pressure of organic compounds (Vcp:V-TMs = 4:1) + CH4 hydrate increases with the temperature and the NaCl concentration. When the temperature was higher, the effect of temperature and NaCl concentration on the phase equilibrium pressure was more remarkable. The dissociation enthalpies of organic compounds (Vcp:V-TMs = 4:1) + CH4 hydrate in 3.5, 5.0, 7.0, 10% (mass fraction) NaCl solution were calculated through the ClausiusClapeyron equation based on the phase equilibrium data. The dissociation enthalpy decreases with the increase of either the temperature or the NaCl concentration. The crystal structure of organic compounds (Vcp:V-TMs = 4:1) + CH4 hydrate was determined by using Raman spectroscopy. Methane was present only in the small sII cavity, cyclopentane and timethylene sulfide were all in the large sII cavities. (C) 2016 Elsevier B.V. All rights reserved.
文章类型Article
关键词Phase Equilibrium Hydrate Dissociation Enthalpy Raman Spectroscopy
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者National Science Fund for Distinguished Young Scholars of China(51225603) ; National Natural Science Foundation of China(51506203 ; International S&T Cooperation Program of China(2015DFA61790) ; PetroChina - Chinese Academy of Sciences High-Level Strategic Alliance Program(2015A-4813-2) ; CNOOC Research Institute Entrusted Project(CRI2015RC-PS0053OCN) ; 51376183) ; National Science Fund for Distinguished Young Scholars of China(51225603) ; National Natural Science Foundation of China(51506203 ; International S&T Cooperation Program of China(2015DFA61790) ; PetroChina - Chinese Academy of Sciences High-Level Strategic Alliance Program(2015A-4813-2) ; CNOOC Research Institute Entrusted Project(CRI2015RC-PS0053OCN) ; 51376183)
DOI10.1016/j.fluid.2016.06.020
研究领域[WOS]Thermodynamics ; Chemistry ; Engineering
关键词[WOS]BUTYL AMMONIUM BROMIDE ; GAS HYDRATE ; PHASE-EQUILIBRIUM ; THERMODYNAMIC STABILITY ; WATER-SYSTEMS ; ENTHALPIES ; HYDROGEN ; SEA ; DEPRESSURIZATION ; PREDICTION
收录类别SCI
语种英语
资助者National Science Fund for Distinguished Young Scholars of China(51225603) ; National Natural Science Foundation of China(51506203 ; International S&T Cooperation Program of China(2015DFA61790) ; PetroChina - Chinese Academy of Sciences High-Level Strategic Alliance Program(2015A-4813-2) ; CNOOC Research Institute Entrusted Project(CRI2015RC-PS0053OCN) ; 51376183) ; National Science Fund for Distinguished Young Scholars of China(51225603) ; National Natural Science Foundation of China(51506203 ; International S&T Cooperation Program of China(2015DFA61790) ; PetroChina - Chinese Academy of Sciences High-Level Strategic Alliance Program(2015A-4813-2) ; CNOOC Research Institute Entrusted Project(CRI2015RC-PS0053OCN) ; 51376183)
WOS类目Thermodynamics ; Chemistry, Physical ; Engineering, Chemical
WOS记录号WOS:000382341700040
引用统计
被引频次:4[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/344007/11842
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, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Key Lab New & Renewable Energy Res Dev, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100083, Peoples R China
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GB/T 7714
Lv, Qiunan,Li, Lu,Li, Xiaosen,et al. Clathrate hydrate dissociation conditions and structure of the methane plus cyclopentane plus trimethylene sulfide hydrate in NaCl aqueous solution[J]. FLUID PHASE EQUILIBRIA,2016,425:305-311.
APA Lv, Qiunan,Li, Lu,Li, Xiaosen,&Chen, Zhaoyang.(2016).Clathrate hydrate dissociation conditions and structure of the methane plus cyclopentane plus trimethylene sulfide hydrate in NaCl aqueous solution.FLUID PHASE EQUILIBRIA,425,305-311.
MLA Lv, Qiunan,et al."Clathrate hydrate dissociation conditions and structure of the methane plus cyclopentane plus trimethylene sulfide hydrate in NaCl aqueous solution".FLUID PHASE EQUILIBRIA 425(2016):305-311.
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