Effect of boron addition on the MoO3/CeO2-Al2O3 catalyst in the sulfur-resistant methanation

Baowei Wang; Wenxia Yu; Weihan Wang; Zhenhua Li; Yan Xu; Xinbin M

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Effect of boron addition on the MoO₃/CeO₂-Al₂O₃ catalyst in the sulfur-resistant methanation

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

- Effect of boron addition on the MoO₃/CeO₂-Al₂O₃ catalyst in the sulfur-resistant methanation
- Chinese Journal of Chemical Engineering Vol. 26, Issue 3, Pages: 509-513(2018)
- Affiliations：
  
  Key Laboratory for Green Chemical Technology of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2018
- Accepted：
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摘要

Abstract

The effect of boron on the performance of MoO

/CeO

-Al

catalysts

which were prepared with impregnation method

was investigated. The catalysts were characterized with N

adsorption-desorption

XRD

-TPR

and NH

-TPD

and were tested in sulfur-resistant methanation. The results indicated that the MoO

/CeO

-Al

catalysts modified by boron showed higher catalytic performance in sulfur-resistant methanation. The CO conversion increased from 47% to 62% with 0.5 wt% boron content. When the content of boron was under 0.5 wt%

the results suggested there was an increase in the amorphous form of MoO

caused by the generation of weak and intermediate acid sites

which had weakened the interaction between the active components and supports. While

the catalyst added 2.0 wt% boron showed the strong acid sites and the largest crystalline size resulting in the uneven distribution of ceria.

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