Catalytic Oxidation of Cyclohexane over ZSM-5 Catalyst in N-alkyl-N-methylimidazolium Ionic Liquids
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Catalytic Oxidation of Cyclohexane over ZSM-5 Catalyst in N-alkyl-N-methylimidazolium Ionic Liquids
Catalytic Oxidation of Cyclohexane over ZSM-5 Catalyst in N-alkyl-N-methylimidazolium Ionic Liquids
中国化学工程学报(英文版)2009年17卷第3期 页码:407-411
Affiliations:
1. School of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology,Shijiazhuang,China,050018
2. Tian jin,Key Laboratory of Applied Catalysis Science and Technology, School of Chemical Engineering, Tianjin University,Tianjin,China,300072
Author bio:
Funds:
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)
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 selectivity 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 catalysts 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.
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相关作者
Junhua Gao
Keming Ji
Hao Zhou
Jiayao Xun
Zenghou Liu
Kan Zhang
Ping Liu
Wen Wei
相关机构
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences
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School of Chemistry and Chemical Engineering, North University of China
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