ZSM-5 supported iron catalysts for Fischer-Tropsch production of light olefin

被引：63

作者：

Kang, Suk-Hwan ^{[1
]}

Bae, Jong Wook ^{[1
]}

Woo, Kwang-Jae ^{[1
]}

Prasad, P. S. Sai ^{[1
]}

Jun, Ki-Won ^{[1
]}

机构：

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

来源：

FUEL PROCESSING TECHNOLOGY | 2010年 / 91卷 / 04期

关键词：

Fischer-Tropsch Synthesis; Fe-based catalyst; ZSM-5; Olefin; ACTIVATION; KINETICS;

D O I：

10.1016/j.fuproc.2009.05.023

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Fischer-Tropsch Synthesis (FTS) for olefin production from syngas was studied on Fe-Cu-K catalysts supported on ZSM-5 with three different Si/Al ratios. The catalysts were prepared by slurry-impregnation method of metallic components, and were characterized by BET surface area. XRD, hydrogen TPR and ammonia TPD. Fe-Cu-K/ZSM-5 catalyst with a low Si/Al ratio (25) is found to be superior to the other catalysts in terms of better C-2-C-4 selectivity in the FTS products and higher olefin/(olefin + paraffin) ratio in C-2-C-4 because of the facile formation of iron carbide during FTS reaction and also due to a larger number of weak acidic sites that are present in these catalysts. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：399 / 403

页数：5

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