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Catalysts 2016, 6(2), 24; doi:10.3390/catal6020024

Aerobic Catalytic Oxidation of Cyclohexene over TiZrCo Catalysts

1,2,3
,
1,2,* , 1,2
,
1,2
,
1,2
and
1,2,*
1
State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
2
Laboratory of Green Chemistry and Process, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
3
University of Chinese Academy of Sciences, Beijing 100049, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Michalis Konsolakis
Received: 8 December 2015 / Revised: 7 January 2016 / Accepted: 12 January 2016 / Published: 29 January 2016
(This article belongs to the Special Issue Surface Chemistry and Catalysis)
View Full-Text   |   Download PDF [1637 KB, uploaded 29 January 2016]   |  

Abstract

The aerobic oxidation of hydrocarbon is of great significance from the viewpoints of both fundamental and industry studies as it can transfer the petrochemical feedstock into valuable chemicals. In this work, we investigated the aerobic oxidation of cyclohexene over TiZrCo catalysts, in which 2-cyclohexen-1-one was produced with a high selectivity of 57.6% at a conversion of 92.2%, which are comparable to the best results reported for the aerobic oxidation of cyclohexene over heterogeneous catalysts. The influences of kinds of solvent, substrate concentration and reaction temperature were evaluated. Moreover, the catalytic performance of the TiZrCo catalyst and the main catalytic active species were also discussed. The results of SEM, XRD and XPS suggested that the surface CoO and Co3O4 species are the catalytic active species and contribute to the high activity and selectivity in the present cyclohexene oxidation. The present catalytic system should have wide applications in the aerobic oxidation of hydrocarbons. View Full-Text
Keywords: aerobic oxidation; heterogeneous catalyst; cyclohexene; TiZrCo aerobic oxidation; heterogeneous catalyst; cyclohexene; TiZrCo
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Liu, T.; Cheng, H.; Lin, W.; Zhang, C.; Yu, Y.; Zhao, F. Aerobic Catalytic Oxidation of Cyclohexene over TiZrCo Catalysts. Catalysts 2016, 6, 24.

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