Performance of Ni/Nano-ZrO<sub>2</sub> Catalysts for CO Preferential Methanation

刘其海; 董新法; 刘自力

doi:10.1016/S1004-9541(14)60027-6

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Performance of Ni/Nano-ZrO₂ Catalysts for CO Preferential Methanation

催化、动力学与反应工程 | Updated：2026-01-06

- Performance of Ni/Nano-ZrO₂ Catalysts for CO Preferential Methanation
- Performance of Ni/Nano-ZrO₂ Catalysts for CO Preferential Methanation
- 中国化学工程学报（英文版） 2014年22卷第2期页码：131-1351004-954160027-6
- Affiliations：
  
  1. 2 School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou,China,510640
  2. 3 School of Chemistry and Chemical Engineering, Guangzhou University,Guangzhou,China,510006
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(14)60027-6
  中图分类号：
- 纸质出版：2014
- Accepted：
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刘其海, 董新法, 刘自力. Performance of Ni/Nano-ZrO₂ Catalysts for CO Preferential Methanation[J]. 中国化学工程学报（英文版）, 2014,22(2):131-1351004-954160027-6. DOI: 10.1016/S1004-9541(14)60027-6.

Catalysts for CO Preferential Methanation[J]. Chinese Journal of Chemical Engineering, 2014, 22(2): 131-135.
刘其海, 董新法, 刘自力. Performance of Ni/Nano-ZrO₂ Catalysts for CO Preferential Methanation[J]. 中国化学工程学报（英文版）, 2014,22(2):131-1351004-954160027-6. DOI: 10.1016/S1004-9541(14)60027-6. DOI：

Catalysts for CO Preferential Methanation[J]. Chinese Journal of Chemical Engineering, 2014, 22(2): 131-135. DOI： 10.1016/S1004-9541(14)60027-6.

摘要

Abstract

Large surface areas nano-scale zirconia was prepared by the self-assembly route and was employed as support in nickel catalysts for the CO selective methanation. The effects of Ni loading and the catalyst calcination temperature on the performance of the catalyst for CO selective methanation reaction were investigated. The catalysts were characterized by Brunauer-Emmett-Teller (BET)

transmission electron microscope (TEM)

X-ray diffraction (XRD) and temperature-programmed reduction (TPR). The results showed that the as-synthesized Ni/nano-ZrO

catalysts presented high activity for CO methanation due to the interaction between Ni active particle and nano zirconia support. The selectivity for the CO methanation influenced significantly by the particle size of the active Ni species. The exorbitant calcination resulted in the conglomeration of dispersive Ni particles and led to the decrease of CO methanation selectivity. Among the catalysts studied

the 7.5% (by mass) Ni/ZrO

catalyst calcinated at 500℃ was the most effective for the CO selective methanation. It can preferentially catalyze the CO methanation with a higher 99% conversion in the CO/CO

competitive methanation system over the temperature range of 260-280℃

whi

le keeping the CO

conversion relatively low.

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Performance of Ni/Nano-ZrO2 Catalysts for CO Preferential Methanation

Performance of Ni/Nano-ZrO2 Catalysts for CO Preferential Methanation

DOI：10.1016/S1004-9541(14)60027-6

摘要

Abstract

关键词

Keywords

references

Performance of Ni/Nano-ZrO₂ Catalysts for CO Preferential Methanation

Performance of Ni/Nano-ZrO₂ Catalysts for CO Preferential Methanation