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Catalysts 2017, 7(1), 3; doi:10.3390/catal7010003

Synthesis of Magnetic Carbon Supported Manganese Catalysts for Phenol Oxidation by Activation of Peroxymonosulfate

1
State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 18 Fuxue Road, Beijing 102249, China
2
Beijing Engineering Research Center of Process Pollution Control, Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
3
Department of Chemical Engineering, Curtin University, GPO Box U1987, Perth 6845, Australia
4
School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup 6027, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Keith Hohn
Received: 2 November 2016 / Revised: 10 December 2016 / Accepted: 21 December 2016 / Published: 26 December 2016
(This article belongs to the Special Issue Heterogeneous Catalysis for Environmental Remediation)
View Full-Text   |   Download PDF [4710 KB, uploaded 26 December 2016]   |  

Abstract

Magnetic core/shell nanospheres (MCS) were synthesized by a novel and facile one-step hydrothermal method. Supported manganese oxide nanoparticles (Fe3O4/C/Mn) were obtained from various methods (including redox, hydrothermal and impregnation) using MCS as the support material and potassium permanganate as the precursor of manganese oxide. The Mn/MCS catalysts were characterized by a variety of characterization techniques and the catalytic performances of Fe3O4/C/Mn nanoparticles were tested in activation of peroxymonosulfate to produce reactive radicals for phenol degradation in aqueous solutions. It was found that Fe3O4/C/Mn catalysts can be well dispersed and easily separated from the aqueous solutions by an external magnetic field. Kinetic analysis showed that phenol degradation on Fe3O4/C/Mn catalysts follows the first order kinetics. The peroxymonosulfate activation mechanism by Fe3O4/C/Mn catalysts for phenol degradation was then discussed. View Full-Text
Keywords: magnetic separation; sulfate radicals; Phenol; manganese oxides; carbon spheres magnetic separation; sulfate radicals; Phenol; manganese oxides; carbon spheres
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Wang, Y.; Xie, Y.; Chen, C.; Duan, X.; Sun, H.; Wang, S. Synthesis of Magnetic Carbon Supported Manganese Catalysts for Phenol Oxidation by Activation of Peroxymonosulfate. Catalysts 2017, 7, 3.

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