Geometric effect of Ru/HSAG@mSiO2: a catalyst for selective hydrogenation of cinnamaldehyde

被引：18
|
作者：
Shen, Hangjia [1 ]
Tang, Haodong [1 ]
Yan, Haiyu [1 ]
Han, Wenfeng [1 ]
Li, Ying [1 ]
Ni, Jun [1 ]
机构：
[1] Zhejiang Univ Technol, Inst Ind Catalysis, Hangzhou 310014, Zhejiang, Peoples R China
来源：
RSC ADVANCES | 2014年 / 4卷 / 57期
基金：
中国国家自然科学基金;
关键词：
Y-ZEOLITE CATALYSTS; HETEROGENEOUS CATALYSTS; RUTHENIUM CATALYSTS; MESOPOROUS SILICA; CARBON NANOTUBES; PARTICLE-SIZE; CHEMOSELECTIVITY; ALUMINA; RU/C;
D O I：
10.1039/c4ra04811c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new strategy to synthesize a catalyst consisting of graphite-supported Ru nanoparticles encapsulated by mesoporous silica layers was developed via a facile and scalable wet-chemical process. The intended structures were confirmed with N-2 sorption, CO chemisorption, TEM and SEM. The geometric effect of the pores in the silica layer of Ru/HSAG@mSiO(2) was evaluated in the hydrogenation of cinnamaldehyde and showed 15% higher selectivity to unsaturated alcohol and three times higher turnover frequency (TOF) relative to unconfined Ru/HSAG catalyst with the equivalent size of Ru particles.
引用
收藏
页码：30180 / 30185
页数：6
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