Fischer-Tropsch synthesis: Relations between structure of cobalt catalysts and their catalytic performance

被引：207

作者：

Khodakov, Andrei Y. ^{[1
]}

机构：

[1] USTL ENSCL EC Lille, Unite Catalyse & Chim Solide, UMR CNRS 8181, F-59655 Villeneuve Dascq, France

来源：

CATALYSIS TODAY | 2009年 / 144卷 / 3-4期

关键词：

Clean fuels; GTL; Fischer-Tropsch; Cobalt catalysts; Promotion; Nanoparticles; Dispersion; Reducibility; In situ X-ray absorption; XANES; EXAFS; In situ magnetic method; MESOPOROUS MOLECULAR-SIEVES; CO/AL2O3; CATALYSTS; SILICA; WATER; DESIGN; DEACTIVATION; SELECTIVITY; DISPERSION; PROMOTION; SUPPORTS;

D O I：

10.1016/j.cattod.2008.10.036

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Fischer-Tropsch synthesis has been experiencing a strong revival in recent years, due to the resource utilization considerations and environmental concerns. Cobalt supported catalysts represent the optimal choice for the synthesis of long-chained hydrocarbons from syngas with high H-2/CO ratio. This paper reviews the state of the art related to the influence of cobalt particle size and cobalt phase composition, catalyst support and support texture, and promotion with noble metals on Fischer-Tropsch reaction rates, hydrocarbon selectivity and catalyst stability. Possible mechanisms of catalyst deactivation and modification of cobalt active sites during the reaction are also discussed. Several requirements to the design of cobalt Fischer-Tropsch catalysts have been specified. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：251 / 257

页数：7

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