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Selective transformation of carbon dioxide into lower olefins with a bifunctional catalyst composed of ZnGa2O4 and SAPO-34

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Abstract

A bifunctional catalyst composed of ZnGa2O4 with a spinel structure and molecular sieve SAPO-34 catalyses the direct conversion of CO2 to C2–C4 olefins with a selectivity of 86% and a CO2 conversion of 13% at 370 °C. The oxygen vacancies on ZnGa2O4 surfaces are responsible for CO2 activation, forming a methanol intermediate, which is then converted into C2–C4 olefins in SAPO-34.

Graphical abstract: Selective transformation of carbon dioxide into lower olefins with a bifunctional catalyst composed of ZnGa2O4 and SAPO-34

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Publication details

The article was received on 09 Nov 2017, accepted on 28 Nov 2017 and first published on 29 Nov 2017


Article type: Communication
DOI: 10.1039/C7CC08642C
Citation: Chem. Commun., 2018, Advance Article
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    Selective transformation of carbon dioxide into lower olefins with a bifunctional catalyst composed of ZnGa2O4 and SAPO-34

    X. Liu, M. Wang, C. Zhou, W. Zhou, K. Cheng, J. Kang, Q. Zhang, W. Deng and Y. Wang, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C7CC08642C

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