Cobalt catalysts for Fischer-Tropsch synthesis: The effect of support, precipitant and pH value

Zhenhua Li; Mengyao Si; Li Xin; Renjie Liu; Runxue Liu; Jing Lü

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Cobalt catalysts for Fischer-Tropsch synthesis: The effect of support, precipitant and pH value

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Cobalt catalysts for Fischer-Tropsch synthesis: The effect of support, precipitant and pH value
- Cobalt catalysts for Fischer-Tropsch synthesis: The effect of support, precipitant and pH value
- 中国化学工程学报（英文版） 2018年26卷第4期页码：747-752
- Affiliations：
  
  Key Lab for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2018
- Accepted：
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Zhenhua Li, Mengyao Si, Li Xin, 等. Cobalt catalysts for Fischer-Tropsch synthesis: The effect of support, precipitant and pH value[J]. 中国化学工程学报（英文版）, 2018,26(4):747-752.

Zhenhua Li, Mengyao Si, Li Xin, Renjie Liu, Runxue Liu, Jing Lü. Cobalt catalysts for Fischer-Tropsch synthesis: The effect of support, precipitant and pH value[J]. Chin.J.Chem.Eng., 2018, 26(4): 747-752.
Zhenhua Li, Mengyao Si, Li Xin, 等. Cobalt catalysts for Fischer-Tropsch synthesis: The effect of support, precipitant and pH value[J]. 中国化学工程学报（英文版）, 2018,26(4):747-752. DOI：

Zhenhua Li, Mengyao Si, Li Xin, Renjie Liu, Runxue Liu, Jing Lü. Cobalt catalysts for Fischer-Tropsch synthesis: The effect of support, precipitant and pH value[J]. Chin.J.Chem.Eng., 2018, 26(4): 747-752. DOI：

摘要

Abstract

In this report

Co-based catalysts supported on ZnO

and ZrO

as well as the ZrO

derived from different precipitants and different pH values were prepared by co-precipitation method. Their catalytic Fischer-Tropsch synthesis (FTS) performance was investigated in a fixed-bed reactor. The results revealed that Co catalyst supported on ZrO

exhibited better FTS catalytic performance than that supported on ZnO or Al

. For the Co/ZrO

catalyst

different precipitants showed the following an activity order of NaOH Na

and the best pH value is 13. The catalysts were characterized by N

adsorption-desorption

XRF

XRD

-TPR

-TPD and TEM. It was found that the main factor affecting the CO conversion of the catalyst was the amounts of low-temperature active adsorption sites. Moreover

the selectivity of C

hydrocarbons had a positive relationship with the peak temperature of the weak hydrogen adsorption sites. The higher the peak temperature

the higher the C

sel

ectivity is.

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