Catalytic investigation for Fischer-Tropsch synthesis from bio-mass derived syngas

被引：119

作者：

Jun, KW ^{[1
]}

Roh, HS ^{[1
]}

Kim, KS ^{[1
]}

Ryu, JS ^{[1
]}

Lee, KW ^{[1
]}

机构：

[1] Korea Res Inst Chem Technol, Div Chem Technol, Taejon 305600, South Korea

来源：

APPLIED CATALYSIS A-GENERAL | 2004年 / 259卷 / 02期

关键词：

bio-syngas; catalyst; CO2; Fischer-Tropsch; hydrocarbons;

D O I：

10.1016/j.apcata.2003.09.034

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：

Hydrocarbon synthesis from biomass-derived syngas (bio-syngas) has been investigated as a potential way to use biomass. The FischerTropsch reaction has been carried out using CO/CO2/H-2/Ar (11/32/52/5 vol.%) mixture as a model for bio-syngas on co-precipitated Fe/Cu/K, Fe/Cu/Si/K and Fe/Cu/Al/K catalysts in a fixed bed reactor. The reaction with the model bio-syngas showed that only CO was converted to hydrocarbons while. in the reaction with a balanced (i.e. H-2-enriched) feed gas, CO2 was converted to hydrocarbons as well as CO. In the optimization of the catalyst composition that employed bio-syngas, alumina as a structural promoter gave much higher activity for hydrocarbon production than silica. K addition promoted the catalytic activity and the selectivities toward olefins and long-chain hydrocarbons, but too high K promotion caused the gradual deactivation of the catalysts. Some performances of the catalysts that depended on the syngas composition are also presented. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：221 / 226

页数：6

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