The promoting effect of boron oxide on the FeOx/Si3N4 catalyst for oxidative dehydrogenation of ethylbenzene

Jian Sheng; Wen-Cui Li; Bai-Chuan Zhou; Xin-Qian Gao; Bin Qiu; Wen-Duo Lu; Rui-Ping Zhang; An-Hui Lu

doi:10.1039/D2NJ06030B

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The promoting effect of boron oxide on the FeO_x/Si₃N₄ catalyst for oxidative dehydrogenation of ethylbenzene†

Jian Sheng,^a Wen-Cui Li,

^a Bai-Chuan Zhou,^a Xin-Qian Gao,^a Bin Qiu,^a Wen-Duo Lu,^a Rui-Ping Zhang^a and An-Hui Lu

*^a

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* Corresponding authors

^a State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
E-mail: anhuilu@dlut.edu.cn
Fax: +86-411-84986112
Tel: +86-411-84986112

Abstract

Here, we report a visible promotion effect of the B₂O₃ additive on FeO_x/Si₃N₄ catalysts in the oxidative dehydrogenation of ethylbenzene. The oxygen reactivity of FeO_x was alleviated by the strong interaction between FeO_x and BO_x species, which suppresses the overoxidation of ethylbenzene and styrene to carbon oxides, thus promoting styrene selectivity.

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Article information

DOI: https://doi.org/10.1039/D2NJ06030B
Article type: Communication
Submitted: 09 Dec 2022
Accepted: 02 Feb 2023
First published: 16 Feb 2023

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New J. Chem., 2023,47, 5164-5168

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The promoting effect of boron oxide on the FeO_x/Si₃N₄ catalyst for oxidative dehydrogenation of ethylbenzene

J. Sheng, W. Li, B. Zhou, X. Gao, B. Qiu, W. Lu, R. Zhang and A. Lu, New J. Chem., 2023, 47, 5164 DOI: 10.1039/D2NJ06030B

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