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Phase Equilibria and Dissociation Enthalpies of Methane Hydrate in Imidazolium Ionic Liquid Aqueous Solutions
Long, Zhen1; Zhou, Xuebing1,2; Shen, Xiaodong1; Li, Dongliang1; Liang, Deqing1
2015-11-25
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷号54期号:46页码:11701-11708
摘要This paper reports the thermodynamic inhibition effect of seven ionic liquids (ILs) on methane hydrate formation. The isochoric multistep heating dissociation pressure search method is applied for experimentally determining the phase boundary between hydrate-liquid-vapor (H-L-V) phases and liquid-vapor (L-V) phases in the pressure and temperature ranges of 3.45-13.28 MPa and 274.3-287.6 K, respectively. All the studied IL aqueous solutions are used at a mass fraction of 0.1. A comparison of the thermodynamic inhibitory performance of various ILs is carried out and reveals the predominant role of the type of anion of ILs. Considering the difficulty in directly measuring the dissociation enthalpies, the values of Delta H of methane hydrate are also calculated using the Clausius-Clapeyron equation. It is found that the mean dissociation enthalpies of methane hydrate in the presence of the seven ILs vary from 59.05 to 60.81 kJ.mol(1), and are very close to that in pure water.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.iecr.5b03480
研究领域[WOS]Engineering
关键词[WOS]DUAL FUNCTION INHIBITORS ; MINE VENTILATION AIR ; EQUATION-OF-STATE ; CARBON-DIOXIDE ; NATURAL-GAS ; HYDROGEN-SULFIDE ; CLATHRATE ; PERFORMANCE ; ENRICHMENT ; MIXTURES
收录类别SCI
语种英语
WOS类目Engineering, Chemical
WOS记录号WOS:000366005200018
引用统计
被引频次:9[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/344007/10922
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Long, Zhen,Zhou, Xuebing,Shen, Xiaodong,et al. Phase Equilibria and Dissociation Enthalpies of Methane Hydrate in Imidazolium Ionic Liquid Aqueous Solutions[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2015,54(46):11701-11708.
APA Long, Zhen,Zhou, Xuebing,Shen, Xiaodong,Li, Dongliang,&Liang, Deqing.(2015).Phase Equilibria and Dissociation Enthalpies of Methane Hydrate in Imidazolium Ionic Liquid Aqueous Solutions.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,54(46),11701-11708.
MLA Long, Zhen,et al."Phase Equilibria and Dissociation Enthalpies of Methane Hydrate in Imidazolium Ionic Liquid Aqueous Solutions".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 54.46(2015):11701-11708.
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