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
收藏
页码：765 / 773
页数：9
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