Direct conversion of syngas into aromatics over a bifunctional catalyst: inhibiting net CO2 release

Wei Zhou; Cheng Zhou; Haoren Yin; Jiaqing Shi; Guoquan Zhang; Xinlei Zheng; Xiaojian Min; Zhiqiang Zhang; Kang Cheng; Jincan Kang; Qinghong Zhang; Ye Wang

doi:10.1039/D0CC00608D

Direct conversion of syngas into aromatics over a bifunctional catalyst: inhibiting net CO₂ release†

Wei Zhou,‡^a Cheng Zhou,‡^a Haoren Yin,^a Jiaqing Shi,^a Guoquan Zhang,^b Xinlei Zheng,^b Xiaojian Min,^b Zhiqiang Zhang,^a Kang Cheng,

^a Jincan Kang,^a Qinghong Zhang*^a and Ye Wang

*^a

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* Corresponding authors

^a State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethersand Esters, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
E-mail: zhangqh@xmu.edu.cn, wangye@xmu.edu.cn
Fax: +86-592-2183047
Tel: +86-592-2186156

^b State Energy Key Lab of Clean Coal Grading Conversion Shaanxi Coal and Chemical Technology Institute Co., Ltd, Xi’an 710070, P. R. China

Abstract

Tandem catalysis via methanol intermediate is a promising route for the direct conversion of syngas into aromatics. However, the simultaneous formation of CO₂ is a serious problem. Here, we demonstrate that CO₂ was formed by the water-gas shift (WGS) reaction (CO + H₂O → CO₂ + H₂) over a ZnO–ZrO₂/H-ZSM-5 catalyst, and the net CO₂ formation could be inhibited without affecting the formation of aromatics by co-feeding CO₂.

Chemical Communications

Direct conversion of syngas into aromatics over a bifunctional catalyst: inhibiting net CO₂ release†

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Direct conversion of syngas into aromatics over a bifunctional catalyst: inhibiting net CO₂ release

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