Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate

The 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 concentrat...

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Published in:Journal of Molecular Liquids
Main Authors: Shen, Xiao-Dong, Shi, Ling-Li, Long, Zhen, Zhou, Xue-Bing, Liang, De-Qing
Format: Article in Journal/Newspaper
Language:English
Published: 2016
Subjects:
Online Access:http://ir.giec.ac.cn/handle/344007/13928
https://doi.org/10.1016/j.molliq.2016.08.111
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spelling ftchacadsciegiec:oai:ir.giec.ac.cn:344007/13928 2023-05-15T17:12:05+02:00 Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate Shen, Xiao-Dong Shi, Ling-Li Long, Zhen Zhou, Xue-Bing Liang, De-Qing 2016-11-01 http://ir.giec.ac.cn/handle/344007/13928 https://doi.org/10.1016/j.molliq.2016.08.111 英语 eng JOURNAL OF MOLECULAR LIQUIDS http://ir.giec.ac.cn/handle/344007/13928 doi:10.1016/j.molliq.2016.08.111 Co2 Hydrate Ionic Liquids Induction Time Formation Rate Kinetic Science & Technology Physical Sciences Chemistry Physics TEMPERATURE IONIC LIQUIDS DUAL FUNCTION INHIBITORS EQUATION-OF-STATE METHANE HYDRATE AQUEOUS-SOLUTIONS ETHYLENE-GLYCOL CARBON-DIOXIDE DISSOCIATION CONDITIONS PHASE-EQUILIBRIUM HYDROGEN-SULFIDE Physical Atomic Molecular & Chemical Article 期刊论文 2016 ftchacadsciegiec https://doi.org/10.1016/j.molliq.2016.08.111 2022-09-23T14:12:42Z The 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. Article in Journal/Newspaper Methane hydrate Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences: GIEC OpenIR Journal of Molecular Liquids 223 672 677
institution Open Polar
collection Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences: GIEC OpenIR
op_collection_id ftchacadsciegiec
language English
topic Co2 Hydrate
Ionic Liquids
Induction Time
Formation Rate
Kinetic
Science & Technology
Physical Sciences
Chemistry
Physics
TEMPERATURE IONIC LIQUIDS
DUAL FUNCTION INHIBITORS
EQUATION-OF-STATE
METHANE HYDRATE
AQUEOUS-SOLUTIONS
ETHYLENE-GLYCOL
CARBON-DIOXIDE
DISSOCIATION CONDITIONS
PHASE-EQUILIBRIUM
HYDROGEN-SULFIDE
Physical
Atomic
Molecular & Chemical
spellingShingle Co2 Hydrate
Ionic Liquids
Induction Time
Formation Rate
Kinetic
Science & Technology
Physical Sciences
Chemistry
Physics
TEMPERATURE IONIC LIQUIDS
DUAL FUNCTION INHIBITORS
EQUATION-OF-STATE
METHANE HYDRATE
AQUEOUS-SOLUTIONS
ETHYLENE-GLYCOL
CARBON-DIOXIDE
DISSOCIATION CONDITIONS
PHASE-EQUILIBRIUM
HYDROGEN-SULFIDE
Physical
Atomic
Molecular & Chemical
Shen, Xiao-Dong
Shi, Ling-Li
Long, Zhen
Zhou, Xue-Bing
Liang, De-Qing
Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate
topic_facet Co2 Hydrate
Ionic Liquids
Induction Time
Formation Rate
Kinetic
Science & Technology
Physical Sciences
Chemistry
Physics
TEMPERATURE IONIC LIQUIDS
DUAL FUNCTION INHIBITORS
EQUATION-OF-STATE
METHANE HYDRATE
AQUEOUS-SOLUTIONS
ETHYLENE-GLYCOL
CARBON-DIOXIDE
DISSOCIATION CONDITIONS
PHASE-EQUILIBRIUM
HYDROGEN-SULFIDE
Physical
Atomic
Molecular & Chemical
description The 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.
format Article in Journal/Newspaper
author Shen, Xiao-Dong
Shi, Ling-Li
Long, Zhen
Zhou, Xue-Bing
Liang, De-Qing
author_facet Shen, Xiao-Dong
Shi, Ling-Li
Long, Zhen
Zhou, Xue-Bing
Liang, De-Qing
author_sort Shen, Xiao-Dong
title Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate
title_short Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate
title_full Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate
title_fullStr Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate
title_full_unstemmed Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate
title_sort experimental study on the kinetic effect of n-butyl-n-methylpyrrolidinium bromide on co2 hydrate
publishDate 2016
url http://ir.giec.ac.cn/handle/344007/13928
https://doi.org/10.1016/j.molliq.2016.08.111
genre Methane hydrate
genre_facet Methane hydrate
op_relation JOURNAL OF MOLECULAR LIQUIDS
http://ir.giec.ac.cn/handle/344007/13928
doi:10.1016/j.molliq.2016.08.111
op_doi https://doi.org/10.1016/j.molliq.2016.08.111
container_title Journal of Molecular Liquids
container_volume 223
container_start_page 672
op_container_end_page 677
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