Influence of the catalytic support on the industrial Fischer-Tropsch synthetic diesel production

被引：50

作者：

de la Osa, A. R. ^{[1
]}

De Lucas, A. ^{[1
]}

Romero, A. ^{[1
]}

Valverde, J. L. ^{[1
]}

Sanchez, P. ^{[1
]}

机构：

[1] Univ Castilla La Mancha, Dept Chem Engn, Fac Chem, E-13071 Ciudad Real, Spain

来源：

CATALYSIS TODAY | 2011年 / 176卷 / 01期

关键词：

Fischer-Tropsch synthesis; Cobalt catalyst; Alumina; Bentonite; Titania; Silicon carbide; IRON CATALYSTS; COBALT CATALYSTS; CARBON NANOTUBES; POTASSIUM; BIOMASS; PERFORMANCE; SELECTIVITY;

D O I：

10.1016/j.cattod.2010.12.010

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A range of cobalt catalysts supported on alumina, titania, bentonite and the newer silicon carbide was examined for catalytic activity and product selectivity in the Fischer-Tropsch reaction. Experiments were carried out on a bench scale fixed bed reactor. TPR results showed that Co/TiO2 and Co/bentonite were easier to reduce than Co/Al2O3 and Co/SiC based catalyst. Particle size depended on nature of support and specific area. Catalyst Co/SiC provided good catalytic results at temperatures higher than 235 degrees C whereas Co/bentonite showed high catalytic activity at low temperatures. However, Co/bentonite was found to enhance the formation of oxygenated compounds. Hydrocarbon distribution was influenced by the support. Co/Al2O3 shifted to lighter hydrocarbon than Co/TiO2 and Co/bentonite. Co/SiC yielded to higher molecular weight hydrocarbons products distribution as compared with Co/alumina catalyst. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：298 / 302

页数：5

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