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

GUO Shu-peng; WANG Min; WANG Jun-gang; MA Zhong-yi; JIA Li-tao; HOU Bo; LI De-bao

Volume 46 Issue 2

Feb. 2018

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Article Navigation > Journal of Fuel Chemistry and Technology > 2018 > 46(2): 198-203

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.

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.

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

GUO Shu-peng^{1, 2},
WANG Min^{1, 2},
WANG Jun-gang¹,
MA Zhong-yi^{1
,
,},
JIA Li-tao¹,
HOU Bo¹,
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

Funds:

Shanxi Basic Research Fund 201601D021044

Shanxi Basic Research Fund 201701D121037

More Information

Corresponding author: MA Zhong-yi, E-mail:mazhgyi@sxicc.ac.cn; LI De-bao, E-mail:dbli@sxicc.ac.cn
Received Date: 2017-09-05
Rev Recd Date: 2017-12-18

Available Online: 2021-01-23

Publish Date: 2018-02-10

Abstract

Abstract

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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References(18)

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