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Kinetic effect of single MgCl2 and NaCl aqueous solutions on ethane hydrate formation
Long, Zhen; Liang, Deqing; Li, Dongliang
2015-08-01
发表期刊CANADIAN JOURNAL OF CHEMISTRY
卷号93期号:8页码:891-896
摘要Experimental data on the kinetics of C2H6 hydrate formation in the presence of pure water and two aqueous single solutions, MgCl2 and NaCl, are presented in this study. The measurements of experimental hydrate formation process were performed in a high pressure reactor at 276.15 K, at initial pressure range of 2.0-2.4 MPa, and solution concentration range of 2.34-10 wt%. The effect of solution concentration and initial pressure on the induction time, gas consumption, conversion, and storage capacity and growth rate was examined. It was observed that with the increase of the solution concentration, the induction time increased, while the storage capacity and the number of moles of C2H6 consumed decreased. A diffusion-reaction kinetics model was employed to predict the hydrate growth rate at the beginning of hydrate formation. The results showed that the addition of MgCl2 and NaCl decreased the apparent rate constant, and MgCl2 had a greater effect than NaCl in inhibiting the hydrate growth.
文章类型Article
关键词Kinetics Hydrates C2h6 Mgcl2
WOS标题词Science & Technology ; Physical Sciences
DOI10.1139/cjc-2014-0535
研究领域[WOS]Chemistry
关键词[WOS]EQUATION-OF-STATE ; MIXED ELECTROLYTE-SOLUTIONS ; PHASE-EQUILIBRIA ; DISSOCIATION CONDITIONS ; DIFFERENT SURFACTANTS ; CLATHRATE HYDRATE ; STORAGE CAPACITY ; CARBON-DIOXIDE ; METHANE ; MODEL
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000359067400016
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被引频次:2[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/344007/10843
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
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Long, Zhen,Liang, Deqing,Li, Dongliang. Kinetic effect of single MgCl2 and NaCl aqueous solutions on ethane hydrate formation[J]. CANADIAN JOURNAL OF CHEMISTRY,2015,93(8):891-896.
APA Long, Zhen,Liang, Deqing,&Li, Dongliang.(2015).Kinetic effect of single MgCl2 and NaCl aqueous solutions on ethane hydrate formation.CANADIAN JOURNAL OF CHEMISTRY,93(8),891-896.
MLA Long, Zhen,et al."Kinetic effect of single MgCl2 and NaCl aqueous solutions on ethane hydrate formation".CANADIAN JOURNAL OF CHEMISTRY 93.8(2015):891-896.
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