Effects of Mn and Zr promoters on the performance of ordered mesoporous carbon supported Co catalyst in Fischer-Tropsch synthesis

ZHANG Qing-ling; GUO He-qin; HOU Bo; WANG Jun-gang; LI De-bao; JIA Li-tao

Volume 45 Issue 6

Jun. 2017

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Article Navigation > Journal of Fuel Chemistry and Technology > 2017 > 45(6): 682-688

ZHANG Qing-ling, GUO He-qin, HOU Bo, WANG Jun-gang, LI De-bao, JIA Li-tao. Effects of Mn and Zr promoters on the performance of ordered mesoporous carbon supported Co catalyst in Fischer-Tropsch synthesis[J]. Journal of Fuel Chemistry and Technology, 2017, 45(6): 682-688.

Citation:

ZHANG Qing-ling, GUO He-qin, HOU Bo, WANG Jun-gang, LI De-bao, JIA Li-tao. Effects of Mn and Zr promoters on the performance of ordered mesoporous carbon supported Co catalyst in Fischer-Tropsch synthesis[J]. Journal of Fuel Chemistry and Technology, 2017, 45(6): 682-688.

Citation:

ZHANG Qing-ling, GUO He-qin, HOU Bo, WANG Jun-gang, LI De-bao, JIA Li-tao. Effects of Mn and Zr promoters on the performance of ordered mesoporous carbon supported Co catalyst in Fischer-Tropsch synthesis[J]. Journal of Fuel Chemistry and Technology, 2017, 45(6): 682-688.

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Effects of Mn and Zr promoters on the performance of ordered mesoporous carbon supported Co catalyst in Fischer-Tropsch synthesis

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 National Natural Science Foundation of China 21273265

the National Natural Science Foundation of China 21503252

the "Strategic Priority Research Program"Demonstration of Key Technologies for Clean and Efficient Utilization of Low-rank Coal XDA07070700

the Coal Base Key Technologies R & D Program of ShanXi Province MH2014-13

the ShanXi Provincial Research Foundation for Basic Research 2014021014-6

the ShanXi Provincial Research Foundation for Basic Research 201601D021044

Received Date: 2017-03-03
Rev Recd Date: 2017-04-20

Available Online: 2021-01-23

Publish Date: 2017-06-10

Abstract

Abstract

Cobalt-based catalysts supported on ordered mesoporous carbon (Co/OMC) were modified with Mn and Zr promoters by the co-impregnation method. The cobalt-based catalysts were characterized by XRD, N₂ sorption, H₂-TPR, H₂/CO-TPD and XPS; the promoting effects of Mn and Zr on the catalytic performance of Co/OMC in Fischer-Tropsch synthesis (FTS) were investigated in a fixed-bed reactor. The results indicate that the addition of either Mn or Zr can greatly reduce the selectivity to CH₄ for FTS over Co/OMC. Moreover, Mn as a promoter can enhance the selectivity to C_2-4 hydrocarbons and the olefin/paraffin ratio, whereas Zr promotes the dispersion of cobalt species and increases the number of active Co sites, leading to a significant increase in the FTS activity and selectivity to C₅₊ hydrocarbons.
- Fischer-Tropsch synthesis,
- cobalt-based catalyst,
- mesoporous carbon,
- Mn promoter,
- Zr promoter

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References(25)

References

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