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Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate
Shen, Xiao-Dong1,2,3,4; Shi, Ling-Li1,2,3; Long, Zhen1,2,3; Zhou, Xue-Bing1,2,3,4; Liang, De-Qing1,2,3
2016-11-01
Source PublicationJOURNAL OF MOLECULAR LIQUIDS
Volume223Pages:672-677
AbstractThe kinetic effects of N-butyl-N-methylpyrrolidinium bromide ([Py14]-Br) on the formation of CO2 gas hydrates were experimentally investigated. Both of the induction time of CO2 hydrates formation and the formation rates were investigated in the aqueous solutions of [Py14]-Br at different concentrations. Pressure and temperature changes versus time during the hydrate formation process were measured under the isochoric conditions. The induction time had a trend to decrease with the increase of initial pressure or subcooling. [Py14]-Br aqueous solution could delay the induction time compared with pure water system at relatively high subcooling, while it appeared to have no inhibition effect at low subcooling, even enhanced the formation of gas hydrates. It was interesting to find that [Py14]-Br at a low mass fraction could slow the formation rate of CO2 gas hydrate, while it had a promotion effect at high mass fraction. The same promotion effect was also found by PVP at the mass fraction of 2.0%. So [Py14]-Br not only acted as kinetic inhibitor but also promoter of CO2 gas hydrate under different situations. (C) 2016 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordCo2 Hydrate Ionic Liquids Induction Time Formation Rate Kinetic
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.molliq.2016.08.111
WOS Subject ExtendedChemistry ; Physics
WOS KeywordTEMPERATURE IONIC LIQUIDS ; DUAL FUNCTION INHIBITORS ; EQUATION-OF-STATE ; METHANE HYDRATE ; AQUEOUS-SOLUTIONS ; ETHYLENE-GLYCOL ; CARBON-DIOXIDE ; DISSOCIATION CONDITIONS ; PHASE-EQUILIBRIUM ; HYDROGEN-SULFIDE
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51376182) ; CAS Program(KGZD-EW-301) ; 863 Program(2012AA061403 - 03)
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000386986300080
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/13918
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Nat Gas Hydrate, Beijing, Peoples R China
2.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Shen, Xiao-Dong,Shi, Ling-Li,Long, Zhen,et al. Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate[J]. JOURNAL OF MOLECULAR LIQUIDS,2016,223:672-677.
APA Shen, Xiao-Dong,Shi, Ling-Li,Long, Zhen,Zhou, Xue-Bing,&Liang, De-Qing.(2016).Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate.JOURNAL OF MOLECULAR LIQUIDS,223,672-677.
MLA Shen, Xiao-Dong,et al."Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate".JOURNAL OF MOLECULAR LIQUIDS 223(2016):672-677.
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