DOI: 10.1016/j.jcou.2016.03.005
Scopus记录号: 2-s2.0-84962674409
论文题名: Catalytic performance of imidazolium based ILs in the reaction of 1,2-epoxyoctane and carbon dioxide: Kinetic study
作者: Jaiswal P. ; Varma M.N.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2016
卷: 14 起始页码: 93
结束页码: 97
语种: 英语
英文关键词: Cyclic carbonate
; Cycloaddition reaction
; Epoxide
; Ionic liquid
; Supercritical CO2
Scopus关键词: Activation analysis
; Activation energy
; Association reactions
; Carbon
; Carbon dioxide
; Carbonation
; Catalyst activity
; Cycloaddition
; Ionic liquids
; Kinetics
; Negative ions
; Positive ions
; Cyclic carbonate synthesis
; Cyclic carbonates
; Cycloaddition reaction
; Epoxide
; Pseudo-first order reactions
; Supercritical CO
; Supercritical condition
; Synthesis of cyclic carbonates
; Reaction kinetics
英文摘要: In the present study, the synthesis of cyclic carbonate by cycloaddition reaction of CO2 and epoxide catalyzed by imidazolium salts ionic liquids, was carried out under supercritical condition of CO2. In order to elucidate an effect of imidazolium based ILs on reaction kinetics, the cycloaddition reaction with various ILs of different cations and anions, ranging from C2 to C6 alkyl chain, and BF4 - and Br-, respectively, were studied at various temperature (90-130 °C). Based on batch experiment results it was observed that the ILs with longer alkyl chain cation and BF4 - anion, i.e., 1-hexyl-3-methylimidazolium tetrafluoroborate, showed a comparatively maximum catalytic activity. Furthermore, the pseudo first order reaction kinetics was observed predominant during cyclic carbonate synthesis under supercritical condition. The kinetic analysis of cycloaddition reaction, in the present study, confirms the maximum conversion efficiency and minimum activation energy (37 kJ/mol) was associated with HmimBF4 and therefore, renders HmimBF4 IL a potential catalyst for cyclic carbonate synthesis under supercritical condition. © 2016 Elsevier Ltd. All rights reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52919
Appears in Collections: 影响、适应和脆弱性
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Recommended Citation:
Jaiswal P.,Varma M.N.. Catalytic performance of imidazolium based ILs in the reaction of 1,2-epoxyoctane and carbon dioxide: Kinetic study[J]. Journal of CO2 Utilization,2016-01-01,14