Mesoporous xEr2O3·CoTiO3 composite oxide catalysts for low temperature dehydrogenation of ethylbenzene to styrene using CO2 as a soft oxidant

Yanfeng Yue; Li Zhang; Jihua Chen; Dale K. Hensley; Sheng Dai; Steven H. Overbury

doi:10.1039/C6RA04228G

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Mesoporous xEr₂O₃·CoTiO₃ composite oxide catalysts for low temperature dehydrogenation of ethylbenzene to styrene using CO₂ as a soft oxidant†

Yanfeng Yue,^ab Li Zhang,^a Jihua Chen,^c Dale K. Hensley,^c Sheng Dai*^ad and Steven H. Overbury*^a

Author affiliations

* Corresponding authors

^a Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
E-mail: dais@ornl.gov, overburysh@ornl.gov

^b Department of Biology, Geology, and Physical Science, Sul Ross State University, Alpine, Texas 79832, USA

^c Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA

^d Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA

Abstract

A series of mesoporous xEr₂O₃·CoTiO₃ composite oxide catalysts have been prepared using a template method and tested as a new type of catalyst for the oxidative dehydrogenation of ethylbenzene to styrene by using CO₂ as a soft oxidant. Among the catalysts tested, the 0.25Er₂O₃·CoTiO₃ sample with a ratio of 1 : 4 : 4 content and calcined at 600 °C exhibited the highest ethylbenzene conversion (58%) and remarkable styrene selectivity (95%) at low temperature (450 °C).

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Article information

DOI: https://doi.org/10.1039/C6RA04228G
Article type: Communication
Submitted: 16 Feb 2016
Accepted: 22 Mar 2016
First published: 29 Mar 2016

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RSC Adv., 2016,6, 32989-32993

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Mesoporous xEr₂O₃·CoTiO₃ composite oxide catalysts for low temperature dehydrogenation of ethylbenzene to styrene using CO₂ as a soft oxidant

Y. Yue, L. Zhang, J. Chen, D. K. Hensley, S. Dai and S. H. Overbury, RSC Adv., 2016, 6, 32989 DOI: 10.1039/C6RA04228G

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