Preparation of Highly Dispersed Ru/MMT Catalyst and Its Catalytic Activity for Quinoline Hydrogenation

被引：5
|
作者：
Zhou Limei [1 ,2 ]
Fu Haiyan [1 ]
Li Qiang [1 ]
Chen Hua [1 ]
Li Ruixiang [1 ]
Li Xianjun [1 ]
机构：
[1] Sichuan Univ, Coll Chem, Inst Homogeneous Catalysis, Key Lab Green Chem & Technol,Minist Educ, Chengdu 610064, Sichuan, Peoples R China
[2] China W Normal Univ, Dept Chem & Chem Engn, Nanchang 637002, Sichuan, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2010年 / 31卷 / 06期
关键词：
montmorillonite; ruthenium; heterogeneous catalysis; quinoline; hydrogenation; 1,2,3,4-tetrahydroquinoline; decahydroquinoline; RUTHENIUM NANOPARTICLES; HETEROGENEOUS CATALYST; MILD HYDROGENATION; MONTMORILLONITE; CATION;
D O I：
10.3724/SP.J.1088.2010.91206
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A highly dispersed montmorillonite-supported Ru catalyst (Ru/MMT) was prepared by the ion-exchange method and characterized by X-ray diffraction, X-ray photoelectron spectroscopy, temperature-programmed reduction, and high resolution transmission electron microscopy. The results showed that Ru was well dispersed on the montmorillonite interlayers, and the average size of Ru particles was about 2 nm. The catalyst exhibited high activity in the hydrogenation of quinoline under the mild reaction conditions (60 degrees C, 2 MPa H(2), and H(2)O as solvent). The conversion of quinoline was 99.2% and the selectivity for 1,2,3,4-tetrahydroquinoline was 96.4%. When the temperature and hydrogen pressure were increased to 140 degrees C and 3 MPa, respectively, quinoline could be directly hydrogenated to decahydroquinoline with the selectivity up to 98.1%.
引用
收藏
页码：695 / 700
页数：6
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