Synthesis of ordered mesoporous manganese titanium composite oxide catalyst for catalytic ozonation

Chaofei Fei; Dan Li; Xian Mao; Yu Guo; Wenheng Jing

doi:10.1016/j.cjche.2017.09.019

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Synthesis of ordered mesoporous manganese titanium composite oxide catalyst for catalytic ozonation

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

- Synthesis of ordered mesoporous manganese titanium composite oxide catalyst for catalytic ozonation
- Chinese Journal of Chemical Engineering Vol. 26, Issue 9, Pages: 1862-1872(2018)
- Affiliations：
  
  State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University,Nanjing,China,210009
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.09.019
  CLC：
- Published：2018
- Accepted：
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Chaofei Fei, Dan Li, Xian Mao, Yu Guo, Wenheng Jing. Synthesis of ordered mesoporous manganese titanium composite oxide catalyst for catalytic ozonation[J]. Chin.J.Chem.Eng., 2018, 26(9): 1862-1872.
DOI：

Chaofei Fei, Dan Li, Xian Mao, Yu Guo, Wenheng Jing. Synthesis of ordered mesoporous manganese titanium composite oxide catalyst for catalytic ozonation[J]. Chin.J.Chem.Eng., 2018, 26(9): 1862-1872. DOI： 10.1016/j.cjche.2017.09.019.

摘要

Abstract

In this account

highly ordered mesoporous MnO

/TiO

composite catalysts with efficient catalytic ozonation of phenol degradation were synthesized by the sol-gel method. The surface morphology and properties of the catalysts were characterized by several analytical methods

including SEM

TEM

BET

XRD

FTIR

and XPS. Interestingly

Mn doping was found to improve the degree of order

and the ordered mesoporous structure was optimized at 3% doping. Meanwhile

MnO

was highly dispersed in the ordered mesoporous materials to yield good catalytic ozonation performance. Phenol could completely be degraded in 20 min and mineralized at 79% in 60 min. Thus

the catalyst greatly improved the efficiency of degradation and mineralization of phenol when compared to single O

or O

+ TiO

. Finally

the reaction mechanism of the catalyst was discussed and found to conform to pseudo-first-order reaction dynamics.

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