Catalytic Oxidation of Cyclohexane over ZSM-5 Catalyst in N-alkyl-N-methylimidazolium Ionic Liquids  

N-烷基-N-甲基咪唑系列离子液体中ZSM-5分子筛催化环己烷氧化反应(英文)

作　　者：胡永琪 王建英 赵瑞红 刘玉敏 刘润静 李永丹 

机构地区：[1]School of Chemical and Pharmaceutical Engineering,Hebei University of Science and Technology [2]Tianjin,Key Laboratory of Applied Catalysis Science and Technology,School of Chemical Engineering,Tianjin University

出　　处：《Chinese Journal of Chemical Engineering》2009年第3期407-411,共5页中国化学工程学报（英文版）

基　　金：Supported by the National Natural Science Foundation of China (20776037, 20425619);the Program for Changjiang Scholars and Innovative Research Teams in Universities (IRT0641);the Research Foundation of Hebei University of Science and Technology (XL200716)

摘　　要：Heterogeneous oxidation of cyclohexane by tert-butyl hydroperoxide (TBHP) was carried out over ZSM-5 catalysts with different Si/Al ratios in ionic liquids and organic molecular solvents. Higher yield and selec-tivity of the desired products were found in ionic liquids than in molecular solvents. The conversion of cyclohexane exhibits a decrease from 15.8% to 10.8% with the increase of Si/Al ratio of the HZSM-5 catalyst, and all the cata-lysts exhibit good selectivity of monofunctional oxidation products at around 97%. The activity of catalyst is found strongly dependent on the alkyl chain length of ionic liquid.Heterogeneous oxidation of cyclohexane by tert-butyl hydroperoxide （TBHP） was carried out over ZSM-5 catalysts with different Si/Al ratios in ionic liquids and organic molecular solvents. Higher yield and selec-tivity of the desired products were found in ionic liquids than in molecular solvents. The conversion of cyclohexane exhibits a decrease from 15.8% to 10.8% with the increase of Si/Al ratio of the HZSM-5 catalyst, and all the cata-lysts exhibit good selectivity of monofunctional oxidation products at around 97%. The activity of catalyst is found strongly dependent on the alkyl chain length of ionic liquid.

关 键 词：ionic liquid cyclohexane oxidation ZSM-5 CATALYSIS 

分 类 号：O643.32[理学—物理化学]