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An Application of Interactive Orthogonal Design on the Preparation of Mn/Ce Catalysts

WANG Jian, LI Yu, DONG Guo-hua, TANG Jie   

  1. College of Environment and Resources, Jilin University, Changchun 130012, China
  • Received:2006-07-11 Revised:1900-01-01 Online:2007-05-26 Published:2007-05-26
  • Contact: LI Yu

Abstract: The interactive orthogonal design was employed to investigate the parameters of Mn/Ce catalysts preparation through citric complex method, and the effects of metal ratio (Mn∶Ce=7∶3, 1∶1, 3∶7), calcination temperature (350℃, 500℃, 650℃), and calcination time on decomposing butyric acid through catalytic wet air oxidation (CWAO) were discussed. The results indicated that metal ratio and calcination temperature have notable effect on catalytic activity (p=99% and p=95%, respectively), while calcination time have no notable effect. The best preparation conditions were: Mn∶Ce=3∶7, calcination temperature of 500 ℃ and calcinations time of 5 hours through the analysis of interactive orthogonal design. XRD, BET and SEM techniques were used to describe the physical properties of the Mn/Ce catalyst prepared under the best preparation conditions.

Key words: interactive orthogonal experiment, catalytic wet air oxidation, Mn/Ce catalysts, butyric acid

CLC Number: 

  • X132
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