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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
Source PublicationCANADIAN JOURNAL OF CHEMISTRY
Volume93Issue:8Pages:891-896
AbstractExperimental 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.
SubtypeArticle
KeywordKinetics Hydrates C2h6 Mgcl2
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1139/cjc-2014-0535
WOS Subject ExtendedChemistry
WOS KeywordEQUATION-OF-STATE ; MIXED ELECTROLYTE-SOLUTIONS ; PHASE-EQUILIBRIA ; DISSOCIATION CONDITIONS ; DIFFERENT SURFACTANTS ; CLATHRATE HYDRATE ; STORAGE CAPACITY ; CARBON-DIOXIDE ; METHANE ; MODEL
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000359067400016
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10843
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
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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