Ru Nanoparticles Entrapped in Ordered Mesoporous Carbons: An Efficient and Reusable Catalyst for Liquid-Phase Hydrogenation

被引：25
作者：
Ding, Yue [1 ]
Li, Xiaohong [1 ]
Pan, Huiyan [1 ]
Wu, Peng [1 ]
机构：
[1] E China Normal Univ, Shanghai Key Lab Green Chem & Chem Proc, Dept Chem, Shanghai 200062, Peoples R China
来源：
CATALYSIS LETTERS | 2014年 / 144卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Ru nanoparticles; Ordered mesoporous carbons; Liquid-phase hydrogenation; Benzaldehyde; Nitrobenzene; SELECTIVE HYDROGENATION; RUTHENIUM NANOPARTICLES; HYDRODECHLORINATION; REDUCTION;
D O I：
10.1007/s10562-013-1137-9
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：
Ru nanoparticles entrapped in ordered mesoporous carbons (CMK-3) served as an efficient and reusable catalyst for liquid-phase hydrogenation of benzaldehyde and its derivatives under our tested conditions (medium hydrogen pressure, room temperature, water as solvent). The Ru nanoparticles can be well stabilized by CMK-3 ordered mesoporous carbons so that the Ru leaching was below the detection limit of ICP-AES. Therefore, the Ru/CMK-3 catalyst can be used for at least five times without distinct loss in activity or selectivity for the hydrogenation of benzaldehyde. It is worthy of note that the Ru/CMK-3 catalyst was more efficient than the commercial Ru/C and homemade Ru/AC catalyst for the liquid-phase hydrogenation of benzaldehyde. The Ru/CMK-3 catalyst can also catalyze the liquid-phase hydrogenation of nitrobenzene and its derivatives with high conversions and excellent selectivities under optimal conditions.
引用
收藏
页码：268 / 277
页数：10
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