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Title: Ce1-xFexO2 nanocatalysts for priority organic pollutants removal through catalytic wet air oxidation
Authors: Anushree
Sharma, Chhaya
Kumar S.
Published in: Processing and Application of Ceramics
Abstract: A series of Ce1-xFexO2 nanocatalysts, prepared by co-precipitation method, were applied for the catalytic oxidation of priority organic pollutants present in paper industry wastewater. To investigate the synergic effect of various Fe contents, detailed characterizations of Ce1-xFexO2 were done by Raman, XPS, XRD, TEM and EDX techniques. The addition of Fe to CeO2 lattice increased the amount of oxygen vacancies, which have an efficient role in the oxidation of organic pollutants under oxygen-rich conditions. Ce0.4Fe0.6O2 catalyst showed the highest removal of TOC (72%), AOX (68%), chlorophenols (62%) and chloroguaicols (86%). The superior catalytic activity of Ce0.4Fe0.6O2 is ascribed to its higher oxygen vacancy concentration. The presence of two oxidation states of Ce (4+,3+) and Fe (3+,2+) confirmed the role of redox couples in oxidation of organic pollutants.
Citation: Processing and Application of Ceramics (2017), 11(4): 282-289
Issue Date: 2017
Publisher: University of Novi Sad, Faculty of Technology
Keywords: Ce1-xFexO2
Oxygen vacancy
Wet air oxidation
ISSN: 18206131
Author Scopus IDs: 56561956600
Author Affiliations: Anushree, Indian Institute of Technology Roorkee, Roorkee, 247667, India
Sharma, C., Indian Institute of Technology Roorkee, Roorkee, 247667, India
Kumar, S., Indian Institute of Technology Roorkee, Roorkee, 247667, India
Funding Details: Acknowledgement: The research grant for this study provided by Ministry of Human Resource and Development, Government of India is gratefully acknowledged.
Corresponding Author: Anushree; Indian Institute of Technology RoorkeeIndia; email:
Appears in Collections:Journal Publications [PT]

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