Structure, characterization, and dynamic performance of a wet air oxidation catalyst Cu-Fe-La/α-Al<sub>2</sub>O<sub>3</sub>

Yongli Zhang; Feng Peng; Yanbo Zhou

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Structure, characterization, and dynamic performance of a wet air oxidation catalyst Cu-Fe-La/α-Al₂O₃

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

- Structure, characterization, and dynamic performance of a wet air oxidation catalyst Cu-Fe-La/α-Al₂O₃
- Chinese Journal of Chemical Engineering Vol. 24, Issue 9, Pages: 1171-1177(2016)
- Affiliations：
  
  1. School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou,China,510640
  2. School of Chemical and Environmental Engineering, Hanshan Normal University,Chaozhou,China,521041
- Author bio：
- Funds：
- DOI：
  CLC： 10.1016/j.cjche.2016.02.007
- Published：2016
- Accepted：
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Abstract

A Cu-Fe-La/γ-Al

(CFLA) catalyst was prepared by the excessive impregnation method and characterized by scanning electron microscopy

transmission electron microscopy

X-ray diffraction

and X-ray photoelectron spectroscopy. The results indicate that the catalyst contained mostly Cu

and La

and a small amount of Cu

and La. The active components were uniformly distributed in the catalyst

and the particle size of the components was approximately 7.5 nm. The CFLA catalyst was used for the treatment of methyl orange (MO) solution by catalytic wet air oxidation (CWAO)

and it exhibited a high catalytic activity. The catalytic reaction involved variable valence states of metals and free-radical reaction mechanism. The CWAO reaction of MO solution was fitted by a segmented first-order dynamic model

and the rapid reaction apparent activation energy was 13.9 kJ·mol

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Structure, characterization, and dynamic performance of a wet air oxidation catalyst Cu-Fe-La/α-Al2O3

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Structure, characterization, and dynamic performance of a wet air oxidation catalyst Cu-Fe-La/α-Al₂O₃