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Nanomaterials 2019, 9(2), 197; https://doi.org/10.3390/nano9020197

Preparation of Ce–Mn Composite Oxides with Enhanced Catalytic Activity for Removal of Benzene through Oxalate Method

1,†
,
2,†
,
2
,
3
,
2,* and 2,*
1
Department of Chemistry, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing 100083, China
2
CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanaoscience, National Center for Nanoscience and Technology, Beijing 100190, China
3
State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
Those authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 10 January 2019 / Revised: 30 January 2019 / Accepted: 30 January 2019 / Published: 3 February 2019
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Abstract

The catalytic activities of CeO2-MnOx composite oxides synthesized through oxalate method were researched. The results exhibited that the catalytic properties of CeO2-MnOx composite oxides were higher than pure CeO2 or MnOx. When the Ceat/Mnat ratio was 3:7, the catalytic activity reached the best. In addition, the activities of CeO2-MnOx synthesized through different routes over benzene oxidation were also comparative researched. The result indicated that the catalytic property of sample prepared by oxalate method was better than others, which maybe closely related with their meso-structures. Meanwhile, the effects of synergistic interaction and oxygen species in the samples on the catalytic ability can’t be ignored. View Full-Text
Keywords: CeO2-MnOx composite oxides; oxalate method; mesoporous structure; benzene oxidation CeO2-MnOx composite oxides; oxalate method; mesoporous structure; benzene oxidation
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Yang, M.; Shen, G.; Liu, M.; Chen, Y.; Wang, Z.; Wang, Q. Preparation of Ce–Mn Composite Oxides with Enhanced Catalytic Activity for Removal of Benzene through Oxalate Method. Nanomaterials 2019, 9, 197.

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