Controlled synthesis of highly dispersed semi-embedded ruthenium nanoparticles in porous carbon framework with more exposed active sites

被引：41

作者：

Li, Ying ^{[1
]}

Lan, Guojun ^{[1
]}

Wang, Haiyan ^{[1
]}

Tang, Haodong ^{[1
]}

Yan, Xinhuan ^{[1
]}

Liu, Huazhang ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Inst Ind Catalysis, Hangzhou 310032, Zhejiang, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2012年 / 20卷

关键词：

Semi-embedded nanoparticles; Ru-OMC; Ordered mesoporous carbon; Benzene hydrogenation; ORDERED MESOPOROUS CARBONS; HETEROGENEOUS CATALYST; AROMATIC-HYDROCARBONS; HYDROGENATION; BENZENE; SILICA;

D O I：

10.1016/j.catcom.2011.12.037

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ordered mesoporous ruthenium containing carbon (Ru-OMC) catalyst with semi-embedded uniform Ru particle distribution was synthesized by using RuCl3/SBA-15 as a hard template. The sucrose both acts as the carbon precursor and Ru3+ stabilizer. The use of RuCl3/SBA-15 makes more exposed Ru surface available for reactants. The turnover frequency of the Ru-OMC catalyst for hydrogenation of benzene reaches ca. 35,000 h(-1) at 4 MPa, 110 degrees C, which is 12 times improvement compared with that of Ru/OMC catalyst prepared by impregnation. The Ru-OMC catalyst can be recycled more than 9 times without much loss of performance and aggregation of Ru nanoparticles. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：29 / 35

页数：7

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