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Phase Equilibrium and Dissociation Enthalpies of Trimethylene Sulfide plus Methane Hydrates in Brine Water Systems
Li, Lu1,2; Lv, Qiu-Nan1; Li, Xiao-Sen1; Feng, Jing-Chun1,2; Chen, Zhao-Yang1
2014-11-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume59Issue:11Pages:3717-3722
AbstractIn this work, we measured the phase equilibrium data of trimethylene sulfide + methane hydrates in brine water systems with a NaCl mass fraction of 0.035, 0.070, 0.100, and 0.120 by using T-cycle methods. The dissociation enthalpies of trimethylene sulfidemethane hydrates were calculated by the ClausiusClapeyron equation based on the measured phase equilibrium data. The equilibrium pressure of trimethylene sulfide + methane hydrate is much lower than that of the cyclopentane + methane hydrate at the same NaCl concentration in the aqueous solution. Hence, trimethylene sulfide may be a promising water-insoluble chemical promoter. The phase equilibrium pressure of trimethylene sulfide + methane hydrate increases as the temperature rises at the same NaCl concentration. In addition, the concentration of NaCl has more remarkable influence on the equilibrium pressure at a higher temperature. The formation/dissociation enthalpies of trimethylene sulfide + methane hydrate decrease with the increases of the temperature and NaCl concentration, respectively.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/je500607n
WOS Subject ExtendedChemistry ; Engineering
WOS KeywordQUATERNARY AMMONIUM-SALTS ; TETRA-N-BUTYL ; GAS-PRODUCTION ; CLATHRATE ; CYCLOHEXANE ; PROMOTERS ; FLUORIDE ; HYDROGEN
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000344977600047
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10623
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100083, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Lu,Lv, Qiu-Nan,Li, Xiao-Sen,et al. Phase Equilibrium and Dissociation Enthalpies of Trimethylene Sulfide plus Methane Hydrates in Brine Water Systems[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2014,59(11):3717-3722.
APA Li, Lu,Lv, Qiu-Nan,Li, Xiao-Sen,Feng, Jing-Chun,&Chen, Zhao-Yang.(2014).Phase Equilibrium and Dissociation Enthalpies of Trimethylene Sulfide plus Methane Hydrates in Brine Water Systems.JOURNAL OF CHEMICAL AND ENGINEERING DATA,59(11),3717-3722.
MLA Li, Lu,et al."Phase Equilibrium and Dissociation Enthalpies of Trimethylene Sulfide plus Methane Hydrates in Brine Water Systems".JOURNAL OF CHEMICAL AND ENGINEERING DATA 59.11(2014):3717-3722.
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