Effect of Ba on the catalytic performance of Co-Ru/Al2O3 catalyst for Fischer-Tropsch synthesis

被引：10

作者：

Guo, Shupeng ^{[1
,2
]}

Ma, Zhongyi ^{[1
]}

Wang, Jungang ^{[1
]}

Hou, Bo ^{[1
]}

Jia, Litao ^{[1
,3
]}

Wang, Baojun ^{[4
]}

Li, Debao ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Shanxi, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

[4] Taiyuan Univ Technol, Minist Educ & Shanxi Prov, Key Lab Coal Sci & Technol, Taiyuan 030024, Shanxi, Peoples R China

来源：

FUEL | 2021年 / 292卷

基金：

中国国家自然科学基金;

关键词：

Alkali earth metals; Synergistic promotion; Activity promotion; Selectivity promotion; Cobalt; Fischer-Tropsch synthesis;

D O I：

10.1016/j.fuel.2021.120398

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Alkali earth metals and Ru are famous selectivity promoters in cobalt-based Fischer-Tropsch synthesis. Ba has displayed as an effective selectivity promoter, however, the presence of Ba leads to a dropped CO conversion yield. To combine the advantages of Ba and Ru in promoting selectivity, Ba-modified alumina was fabricated and used as the supports for Co and Co-Ru catalysts. Promotion of Co/Al2O3 by a combination of Ru and Ba achieved an increase of CO conversion and a low CH4 selectivity due to the enhanced CO dissociation than unmodified and a single additive modified catalyst. The influences of other alkali earth metal additives were also investigated, which had a similar impact that of Ba on the Co-Ru catalysts for promoting FTS reaction.

引用

页数：7

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