Hydrophilicity modification of MCM-41 with polyethylene glycol and supported ruthenium for benzene hydrogenation to cyclohexene

被引：5

作者：

Xiao, Yanjuan ^{[1
]}

Liao, Hongguang ^{[1
]}

Yu, Xiaoguang ^{[1
]}

Liu, Xuanyan ^{[1
]}

He, Haoyan ^{[1
]}

Zhong, Hongmei ^{[1
]}

Liang, Meidong ^{[1
]}

机构：

[1] Hunan Chem Vocat Technol Coll, Coll Chem Engn, Zhuzhou 412000, Hunan, Peoples R China

来源：

JOURNAL OF POROUS MATERIALS | 2019年 / 26卷 / 03期

关键词：

MCM-41; PEG; Hydrophilicity; Benzene hydrogenation; Cyclohexene; Ruthenium; SELECTIVE HYDROGENATION; SURFACE MODIFICATION; MESOPOROUS MCM-41; CATALYSTS; SILICA; PERFORMANCE; STABILITY; OXIDATION; CHEMISTRY; NANOPARTICLES;

D O I：

10.1007/s10934-018-0677-1

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Hydrophilic polyethylene glycol (PEG) modified MCM-41 and supported ruthenium catalyst were prepared, characterized and tested for benzene hydrogenation to cyclohexene. Ruthenium supported on PEG modified MCM-41 exhibits much better catalytic property than the unmodified catalyst. A cyclohexene yield of 55.4% was obtained at 68.5% of benzene conversion over ruthenium supported on MCM-41 modified with 5wt% of PEG (by weight of MCM-41). It has been found that the introduction of PEG could effectively improve the hydrophilicity of MCM-41. The superior cyclohexene selectivity is mainly attributed to the hydrophilic modification of PEG to MCM-41, as well as the moderate catalytic activity, long-range order of mesoporous structure and good ruthenium dispersity of the catalyst.

引用

页码：765 / 773

页数：9

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