Citation: GUO Shu-peng, WANG Min, WANG Jun-gang, MA Zhong-yi, JIA Li-tao, HOU Bo, LI De-bao. Study on the F-T reaction performance of Co/Al₂O₃-SiO₂ catalyst[J]. Journal of Fuel Chemistry and Technology, ;2018, 46(2): 198-203. shu

Study on the F-T reaction performance of Co/Al₂O₃-SiO₂ catalyst

GUO Shu-peng ^1,2 ,
WANG Min ^1,2 ,
WANG Jun-gang ¹ ,
MA Zhong-yi ^1,, ,
JIA Li-tao ¹ ,
HOU Bo ¹ ,
LI De-bao ^1,,

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: MA Zhong-yi, mazhgyi@sxicc.ac.cn LI De-bao, dbli@sxicc.ac.cn
Received Date: 5 September 2017
Revised Date: 18 December 2017

Fund Project: The project was supported by Shanxi Basic Research Fund (201601D021044, 201701D121037)Shanxi Basic Research Fund 201701D121037Shanxi Basic Research Fund 201601D021044

Figures(4)

The γ-Al₂O₃ modified with different content of SiO₂ by impregnation method was used as supports to prepare Co/Al₂O₃ catalyst.The effects of SiO₂ additives on phase structure of the cobalt-based catalysts, reduction behavior and the influence on the F-T synthesis performance were studied by using N₂ adsorption, XRD, H₂-TPR and XPS characterization methods and activity test.The results showed that with the introduction of SiO₂, the interaction between support and cobalt was effectively weakened, thus the reducibility and catalytic activity of the catalysts were significantly improved.However, when the amount of SiO₂ continued to increase, the reduction degree of the catalyst continued to improve, but the dispersion decreased by 32% at the same time.Compared with unmodified Co/Al₂O₃ catalyst, the activity of the catalyst remained basically unchanged.
- Fischer-Tropsch synthesis,
- SiO₂ modification,
- reducibility
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Study on the F-T reaction performance of Co/Al₂O₃-SiO₂ catalyst