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Phase behavior of methane hydrate in the presence of imidazolium ionic liquids and their mixtures
Long, Zhen1,2,3; He, Yong1,2,3; Zhou, Xuebing1,2,3; Li, Dongliang1,2,3; Liang, Deqing1,2,3
2017-05-15
发表期刊FLUID PHASE EQUILIBRIA
卷号439页码:1-8
摘要The phase equilibrium conditions of methane hydrate in single ionic liquid aqueous solutions containing low dosage 1-ethyl-3-methylimidazolium nitrate ([Emim][NO3]) at mass fractions of 0.01, 0.025, 0.05 are measured in a pressure range of 3.50-15.0 MPa via an isochoric step-heating pressure search method. The thermodynamic inhibition effect of mixed ionic liquids containing [Emim[NO3] in conjunction with 1-ethyl-3-methylimidazolium chloride ([Emim][CI]) at low and high concentrations on methane hydrate formation is also investigated for the possible presence of synergistic effects. It is observed that for all the inhibitor systems containing [Emim][NO3] or [Emim[Cl], the inhibition effect increases progressively with the increased concentration and pressure. In addition, the mixture of [Emim][NO3] and [Emim][Cl] does not always exhibit synergetic effect on the thermodynamic inhibition of methane hydrate at higher concentrations up to 0.2 mass fraction. The higher concentrations are, the positive interactions between [Emim][NO3] and [Emim][[CI] possibly happen at higher pressures. (C) 2017 Elsevier B.V. All rights reserved.
文章类型Article
关键词Phase Equilibria Ionic Liquid Synergetic Effect Methane Hydrate Inhibitor
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者National Natural Science Foundation of China(51506202 ; CNPC ; CAS(2015A-4813) ; 41374149 ; 41276043) ; National Natural Science Foundation of China(51506202 ; CNPC ; CAS(2015A-4813) ; 41374149 ; 41276043)
DOI10.1016/j.fluid.2017.02.008
研究领域[WOS]Thermodynamics ; Chemistry ; Engineering
关键词[WOS]DUAL FUNCTION INHIBITORS ; AQUEOUS-SOLUTIONS ; SODIUM-CHLORIDE ; EQUILIBRIUM ; DISSOCIATION ; TEMPERATURE ; PRESSURE ; WATER ; MORPHOLINIUM ; SOLVENTS
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(51506202 ; CNPC ; CAS(2015A-4813) ; 41374149 ; 41276043) ; National Natural Science Foundation of China(51506202 ; CNPC ; CAS(2015A-4813) ; 41374149 ; 41276043)
WOS类目Thermodynamics ; Chemistry, Physical ; Engineering, Chemical
WOS记录号WOS:000396954400001
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14098
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
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GB/T 7714
Long, Zhen,He, Yong,Zhou, Xuebing,et al. Phase behavior of methane hydrate in the presence of imidazolium ionic liquids and their mixtures[J]. FLUID PHASE EQUILIBRIA,2017,439:1-8.
APA Long, Zhen,He, Yong,Zhou, Xuebing,Li, Dongliang,&Liang, Deqing.(2017).Phase behavior of methane hydrate in the presence of imidazolium ionic liquids and their mixtures.FLUID PHASE EQUILIBRIA,439,1-8.
MLA Long, Zhen,et al."Phase behavior of methane hydrate in the presence of imidazolium ionic liquids and their mixtures".FLUID PHASE EQUILIBRIA 439(2017):1-8.
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