Effect of barium on reducibility and activity for cobalt-based Fischer-Tropsch catalysts

能源化学(英文) ›› 2010, Vol. 19 ›› Issue (6): 0-0.

• Articles •

Effect of barium on reducibility and activity for cobalt-based Fischer-Tropsch catalysts

李金林¹,Agudamu Bao²,Yuhua Zhang²

1. 湖北省武汉市洪山区民院路708号，中南民族大学化学与材料科学学院
2.

收稿日期:2010-05-19 修回日期:2010-07-18 出版日期:2010-11-30 发布日期:2010-11-25
通讯作者: 李金林
基金资助:
National Natural Science Foundation of China (Grants No: 20590360 and 20773166)

Effect of barium on reducibility and activity for cobalt-based Fischer-Tropsch catalysts

Received:2010-05-19 Revised:2010-07-18 Online:2010-11-30 Published:2010-11-25
Contact: jinlin li

摘要/Abstract

摘要：

关键词: Fischer-Tropsch Synthesis , Ba , Co/Al2O3 , Fischer-Tropsch Synthesis, Ba, Co/Al2O3

Abstract: Barium modified Co/Al2O3 catalysts were prepared by incipient wetness impregnation. The catalysts were characterized by XRD, TPD and DRIFTS. The catalytic activity for Fischer-Tropsch synthesis was measured in a continuous stirred tank reactor. It is found that small amounts of BaO (≤2 wt%) improved the cobalt reducibility leading to more cobalt active sites on the catalysts surface resulting in higher CO conversion and C5+ selectivity. However, for the catalysts with higher BaO loadings negative effects on the catalytic activity and selectivity for higher hydrocarbons were observed because of lower cobalt reducibility.

李金林 Agudamu Bao Yuhua Zhang. Effect of barium on reducibility and activity for cobalt-based Fischer-Tropsch catalysts [J]. 能源化学(英文), 2010, 19(6): 0-0.

参考文献

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Effect of barium on reducibility and activity for cobalt-based Fischer-Tropsch catalysts

Effect of barium on reducibility and activity for cobalt-based Fischer-Tropsch catalysts

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