Study on the effect of different metal oxides on the performance of cobalt-based Fischer-Tropsch catalysts

LI Bo-xiang; WANG Jun-gang; WANG Qiang; ZHANG Wei; LIU Yan; MA Zhan-cheng; MA Zhong-yi; HOU Bo

doi:10.19906/j.cnki.JFCT.2023018

Volume 51 Issue 10

Oct. 2023

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Article Navigation > Journal of Fuel Chemistry and Technology > 2023 > 51(10): 1411-1420

LI Bo-xiang, WANG Jun-gang, WANG Qiang, ZHANG Wei, LIU Yan, MA Zhan-cheng, MA Zhong-yi, HOU Bo. Study on the effect of different metal oxides on the performance of cobalt-based Fischer-Tropsch catalysts[J]. Journal of Fuel Chemistry and Technology, 2023, 51(10): 1411-1420. doi: 10.19906/j.cnki.JFCT.2023018

Citation:

LI Bo-xiang, WANG Jun-gang, WANG Qiang, ZHANG Wei, LIU Yan, MA Zhan-cheng, MA Zhong-yi, HOU Bo. Study on the effect of different metal oxides on the performance of cobalt-based Fischer-Tropsch catalysts[J]. Journal of Fuel Chemistry and Technology, 2023, 51(10): 1411-1420. doi: 10.19906/j.cnki.JFCT.2023018

Citation:

LI Bo-xiang, WANG Jun-gang, WANG Qiang, ZHANG Wei, LIU Yan, MA Zhan-cheng, MA Zhong-yi, HOU Bo. Study on the effect of different metal oxides on the performance of cobalt-based Fischer-Tropsch catalysts[J]. Journal of Fuel Chemistry and Technology, 2023, 51(10): 1411-1420. doi: 10.19906/j.cnki.JFCT.2023018

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Study on the effect of different metal oxides on the performance of cobalt-based Fischer-Tropsch catalysts

doi: 10.19906/j.cnki.JFCT.2023018

LI Bo-xiang^{1, 2
,},
WANG Jun-gang^1
,,
WANG Qiang^1
,,
ZHANG Wei^1
,,
LIU Yan^1
,,
MA Zhan-cheng^1
,,
MA Zhong-yi^{1
,
,},
HOU Bo^{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: The project was supported by the Basic Research Program of Shanxi Province (202103021224444), Central Guidance for Local Science and Technology Development Funds (YDZJSX2021C041) and National Natural Science Foundation of China (22179136，22279155，22279156)

Received Date: 2023-01-14
Accepted Date: 2023-03-03
Rev Recd Date: 2023-02-28

Available Online: 2023-03-14

Publish Date: 2023-10-10

Abstract

Abstract

In this paper, three metal oxides, ZrO₂, Al₂O₃ and MnO₂, loaded with 1% content on hexagonal nanosheets of Co₃O₄ (NMS-Co), respectively, were prepared as reversed-phase catalyst models to investigate the effects of metal oxides on the performance of cobalt-based catalysts for Fischer-Tropsch synthesis. The results of H₂-TPD, CO-TPD and catalyst performance evaluation revealed that ZrO₂ and Al₂O₃ could significantly increase the active sites of NMS-Co catalysts, lower the reaction temperature from 230 ℃ to 170 and 180 ℃, respectively, and increase the heavy hydrocarbon generation rate by 2.5 and 2 times, respectively, under the same conversion conditions. The CH₄ selectivity was reduced from 37.8% to 3.6% and 12.0%, respectively. However, MnO₂ increased the CO conversion only from 30.9% to 45.5% and decreased the CH₄ selectivity to 16.5%. A new idea is proposed to investigate the effect of metal oxides on the performance of cobalt-based Fischer-Tropsch catalysts.
- reversed-phase catalysts,
- Co₃O₄,
- metal oxide

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References(30)

References

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