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δ-MnO2 with an ultrahigh Mn4+ fraction is highly active and stable for catalytic wet air oxidation of phenol under mild conditions

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Abstract

δ-MnO2 with a very high amount of Mn4+ showed high catalytic activity and stability for the catalytic wet air oxidation (CWAO) of phenol at a very low temperature of 70 °C. The abundance of Mn4+ and reactive surface oxygen species in this catalyst, its resistance to Mn leaching, and its repeatable Mn4+/Mn3+ (Mn4+/Mn2+) redox cycles contributed greatly to its remarkable catalytic performance.

Graphical abstract: δ-MnO2 with an ultrahigh Mn4+ fraction is highly active and stable for catalytic wet air oxidation of phenol under mild conditions

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Publication details

The article was received on 19 Apr 2017, accepted on 25 Jun 2017 and first published on 26 Jun 2017


Article type: Communication
DOI: 10.1039/C7CY00774D
Citation: Catal. Sci. Technol., 2017, Advance Article
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    δ-MnO2 with an ultrahigh Mn4+ fraction is highly active and stable for catalytic wet air oxidation of phenol under mild conditions

    C. Ma, Y. Wen, C. Rong, N. Zhang, J. Zheng and B. H. Chen, Catal. Sci. Technol., 2017, Advance Article , DOI: 10.1039/C7CY00774D

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