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Kinetic and thermodynamic studies on one-step synthesis of methyl acrylate promoted by generated ionic liquid at mild temperature
Wang, Gang1,2; Li, Zengxi1,2; Li, Chunshan1,2; Wang, Hui2
2017-07-01
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号319页码:297-306
摘要One-step aldol condensation of methyl acetate with formaldehyde (or trioxane) for preparing methyl acrylate at 623 K-653 K has stimulated researchers' attention in recent years. Herein, a new methodology for one-step synthesis of methyl acrylate from methyl acetate and trioxane promoted by generated trifluoromethanesulfonate ionic liquid, via aldol condensation, at mild temperature was developed. The kinetic and thermodynamic studies on this new process were also firstly investigated systematically. Experiments were conducted in a batch reactor under the temperatures of 283 K-298 K and reaction times of 10 min - 100 min, wherein the side reactions could be ignored. The proposed mechanism based kinetic model was established and simulated with experimental data. The model showed good agreement with experimental results within the range of acceptable deviation, thereby the pre exponential factor and activation energy of each reaction step were obtained. Moreover, the equilibrium constant and enthalpy change of each reversible reaction were also calculated through Van't Hoff formula. (C) 2017 Elsevier B.V. All rights reserved.
关键词Aldol Condensation Methyl Acrylate Ionic Liquid Kinetic Thermodynamic
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cej.2017.03.004
收录类别SCI
语种英语
关键词[WOS]ACID-CATALYZED DECOMPOSITION ; ALDOL CONDENSATION ; ALPHA,BETA-UNSATURATED ESTERS ; SELECTIVE OXIDATION ; OXIDE CATALYSTS ; ACETIC-ACID ; TRIOXANE ; PERFORMANCE ; FORMALIN ; NETWORK
WOS研究方向Engineering
WOS类目Engineering, Environmental ; Engineering, Chemical
项目资助者National Basic Research Program of China(2015CB251401) ; National Science Fund for Excellent Young Scholars(21422607) ; National Natural Science Foundation of China(21576261 ; National Key Projects for Fundamental Research and Development of China(2016YFB0601303) ; CAS/SAFEA International Partnership Program for Creative Research Teams ; 21676270)
WOS记录号WOS:000399633200031
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22478
专题多相复杂系统国家重点实验室
作者单位1.Univ Chinese Acad Sci, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Beijing Key Lab Ionic Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Natl Key Lab Clean & Efficient Coking Technol,Ins, Beijing 100190, Peoples R China
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GB/T 7714
Wang, Gang,Li, Zengxi,Li, Chunshan,et al. Kinetic and thermodynamic studies on one-step synthesis of methyl acrylate promoted by generated ionic liquid at mild temperature[J]. CHEMICAL ENGINEERING JOURNAL,2017,319:297-306.
APA Wang, Gang,Li, Zengxi,Li, Chunshan,&Wang, Hui.(2017).Kinetic and thermodynamic studies on one-step synthesis of methyl acrylate promoted by generated ionic liquid at mild temperature.CHEMICAL ENGINEERING JOURNAL,319,297-306.
MLA Wang, Gang,et al."Kinetic and thermodynamic studies on one-step synthesis of methyl acrylate promoted by generated ionic liquid at mild temperature".CHEMICAL ENGINEERING JOURNAL 319(2017):297-306.
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