Enhancement effect of Mn doping on Co<sub>3</sub>O<sub>4</sub> derived from Co-MOF for toluene catalytic oxidation

Juan Lei; Peng Wang; Shuang Wang; Jinping Li; Yongping Xu; Shuying Li

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Enhancement effect of Mn doping on Co₃O₄ derived from Co-MOF for toluene catalytic oxidation

Full Length Article | Updated：2026-01-06

- Enhancement effect of Mn doping on Co₃O₄ derived from Co-MOF for toluene catalytic oxidation
- Chinese Journal of Chemical Engineering Vol. 52, Issue 12, Pages: 1-9(2022)
- Affiliations：
  
  1. Department of Environmental and Safety Engineering, Taiyuan Institute of Technology,Taiyuan,China,030018
  2. Dalian Syme Bioengineering Technology Limited Company,Dalian,China,045099
  3. College of Environmental Science and Engineering, Taiyuan University of Technology,Jinzhong,China,030600
  4. Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan University of Technology,Taiyuan,China,030024
- Author bio：
- Funds：
- DOI：
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- Published：2022
- Accepted：
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摘要

Abstract

The design of Co-Mn composite oxides catalysts derived from MOF is significant for catalytic combustion of toluene. Here

a series of M-Co

with enhanced catalytic properties compared with that of M-Co

were successfully prepared through pyrolysis of Mn-doped Co-MOF. The as-synthesized M-Co

(Co:Mn = 1:1) exhibits an optimal catalytic activity with 90% toluene conversion reached at 227 ℃

which benefits from the increase of Co

ads

and the synergistic effect between Mn and Co. According to the analysis of the

in situ

diffuse reflectance infrared Fourier transform spectroscopy

toluene could be degraded easier on M-Co

with lower activation energy than M-Co

. The main intermediate products are benzaldehyde

benzoic acid

anhydride

and maleate species. Those findings reveal the value of Mn doping for improved activity of toluene oxidation on MOF derived Co

which provide a feasible method for the construction of toluene-oxidation catalysts.

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Enhancement effect of Mn doping on Co3O4 derived from Co-MOF for toluene catalytic oxidation

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Abstract

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Enhancement effect of Mn doping on Co₃O₄ derived from Co-MOF for toluene catalytic oxidation