Rh2O3/monoclinic CePO4 composite catalysts for N2O decomposition and CO oxidation

Huan Liu; Zhen Ma

doi:10.1016/j.cjche.2017.02.007

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Rh₂O₃/monoclinic CePO₄ composite catalysts for N₂O decomposition and CO oxidation

Catalysis, kinetics and reaction engineering | Updated：2026-01-06

- Rh₂O₃/monoclinic CePO₄ composite catalysts for N₂O decomposition and CO oxidation
- Rh₂O₃/monoclinic CePO₄ composite catalysts for N₂O decomposition and CO oxidation
- 中国化学工程学报（英文版） 2018年26卷第1期页码：109-115
- Affiliations：
  
  Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science and Engineering, Fudan University,Shanghai,China,200433
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.02.007
  中图分类号：
- 纸质出版：2018
- Accepted：
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Huan Liu, Zhen Ma. Rh₂O₃/monoclinic CePO₄ composite catalysts for N₂O decomposition and CO oxidation[J]. 中国化学工程学报（英文版）, 2018,26(1):109-115. DOI: 10.1016/j.cjche.2017.02.007.

O
Huan Liu, Zhen Ma. Rh₂O₃/monoclinic CePO₄ composite catalysts for N₂O decomposition and CO oxidation[J]. 中国化学工程学报（英文版）, 2018,26(1):109-115. DOI: 10.1016/j.cjche.2017.02.007. DOI：

O DOI： 10.1016/j.cjche.2017.02.007.

摘要

Abstract

CePO

(in particular

monoclinic CePO

) has been rarely used to make supported catalysts. Herein

monoclinic CePO

nanoparticles were prepared by calcining hexagonal CePO

nanorods (prepared by precipitation) in air at 900℃. Monoclinic CePO

nanowires were prepared by calcining hexagonal CePO

nanowires (prepared by hydrothermal synthesis at 150℃) in air at 900℃. Both monoclinic CePO

materials were used to support Rh

by impregnation using Rh(NO

)

as a precursor (followed by calcination). The catalytic performance of Rh

/monoclinic CePO

composite materials in N

O decomposition and CO oxidation was investigated. It was found that Rh

supported on monoclinic CePO

nanowires was much more active than Rh

supported on monoclinic CePO

nanoparticles. The stability of catalysts as a function of reaction time on stream was studied in both reactions. The influence of co-fed CO

and H

O on the catalytic activity in N

O decomposition was also studied. These catalysts were characterized by employing N

adsorption-desorption

ICP-OES

XRD

TEM

XPS

-TPR

-TPD

and CO

-TPD. The correlation between physicochemical properties and catalytic properties was discussed.

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