Kinetic study of ionic liquid synthesis in a microchannel reactor

被引：32

作者：

Hu, Shaozheng ^{[2
,3
]}

Wang, Anjie ^{[1
,2
,3
]}

Loewe, Holger ^{[2
,3
,4
]}

Li, Xiang ^{[2
,3
]}

Wang, Yao ^{[2
,3
]}

Li, Changhong ^{[2
,3
]}

Yang, Dong ^{[2
,3
]}

机构：

[1] Dalian Univ Technol, Sch Chem Engn, Dept Catalysis, State Key Lab Fine Chem, Dalian 116012, Peoples R China

[2] CMPT, R&D Ctr, Dalian 116012, Peoples R China

[3] Liaoning Key Lab Petrochem Technol & Equipments, Dalian 116012, Peoples R China

[4] Johannes Gutenberg Univ Mainz, Inst Organ Chem, D-55128 Mainz, Germany

来源：

CHEMICAL ENGINEERING JOURNAL | 2010年 / 162卷 / 01期

关键词：

Ionic liquid; Synthesis; Kinetics; Microreactor; BMIM]Br; PROCESS INTENSIFICATION; ORGANIC-SYNTHESIS; CHEMISTRY; CATALYSIS; SOLVENTS; PHASE;

D O I：

10.1016/j.cej.2010.04.063

中图分类号：

X [环境科学、安全科学];

学科分类号：

083001 [环境科学];

摘要：

A microchannel reaction system, mainly consisting of a micromixer and a tubular reactor, was used to investigate the kinetics of butylation of 1-methyl-imidazole [MIM] for the synthesis of the ionic liquid 1-butyl-3-methylimidazolium bromide ([BMIM]Br). The low variance (sigma(2)(theta) = 0.019) of the residence time distribution, measured by a step stimuli-response tracer method, implies that this reaction system could be regarded as a plug flow reactor. As a fast and reliable method, the titration of bromide was established to determine the yield of [BMIM]Br. The reaction kinetics was studied by varying the molar ratio of 1-bromobutane [BrBu] to [MIM] (1.04-1.49) and temperature (75-90 degrees C). A second-order kinetics with respect to [MIM] and [BrBu] and an activation energy of 78.4 kJ/mol were found. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：350 / 354

页数：5

共 21 条

[1]

Intensification of the Capillary-Based Kolbe-Schmitt Synthesis from Resorcinol by Reactive Ionic Liquids, Microwave Heating, or a Combination Thereof [J].