Influence of the addition of Pd and Cu to cobalt catalysts prepared by SMAI for F-T synthesis

• Authors: Li-hua Yu , Shou-min Zhang , Xianzhi Guo , Da Wang , Shu-rong Wang , Shi-hua Wu
• Languages of publication: EN

Abstracts

EN

The Co-Pd/SiO2 and Co-Cu/SiO2 catalysts were prepared via solvated metal atom impregnation (SMAI) method and investigated for the Fischer-Tropsch (F-T) synthesis. The catalysts contained 5wt.% Co and a weight ratio of Pd (or Cu) to Co of 1/30. XPS indicated that Co, Pd and Cu were in metallic state. The results of XPS and magnetic measurements showed that Co and Pd (Cu) were alloyed. The Co particles on the catalysts were very highly dispersed and they displayed superparamagnetic behavior. FT-IR indicated that the electrons shifted from Cu and Pd to Co. Catalytic tests showed that CO hydrogenation rates followed the order Pd-Co > Cu-Co > Co. [...]

Keywords

EN

Pd-Co catalyst; Pd-Cu catalyst; F-T synthesis; Solvated metal atom impregnation

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2007
• Volume: 5
• Issue: 1
• Pages: 144-155

Dates

published

1 - 3 - 2007

online

1 - 3 - 2007

Contributors

author

Li-hua Yu

• Department of Chemistry, Nankai University, Tianjin, 300071, China

author

Shou-min Zhang

• Department of Chemistry, Nankai University, Tianjin, 300071, China

author

Xianzhi Guo

• Department of Chemistry, Nankai University, Tianjin, 300071, China

author

Da Wang

• Department of Chemistry, Nankai University, Tianjin, 300071, China

author

Shu-rong Wang

• Department of Chemistry, Nankai University, Tianjin, 300071, China

author

Shi-hua Wu

• Department of Chemistry, Nankai University, Tianjin, 300071, China

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Identifiers

DOI

10.2478/s11532-006-0062-9