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Bimetallic Catalysts for Green Methanol Production via CO2 and Renewable Hydrogen: A Mini-review and Prospects

Abstract

Recently, the increasing level of atmospheric CO2 has been well noted due to its association with global warming, provoking a growth in environmental concerns toward the continued use of fossil fuels. To mitigate the concentration of atmospheric CO2 various strategies have been implemented. Carbon capture and utilisation along with renewable hydrogen production as the raw materials for methanol production are one of the options to turn waste CO2 into useful fuels and chemicals. In the 1960s, the highly active and economic Cu/ZnO/Al2O3 catalyst was developed. Since then, metal nanoparticles and nanocomposites have been extensively investigated and applied on CO2 hydrogenation reaction to methanol. Particularly, bimetallic catalysts have emerged as an important class of catalysts due to their unique properties and enhanced catalytic performances compared to their monometallic counterparts. In this Mini-review, after giving the introduction of the main motivation for the development of green methanol production via CO2 hydrogenation, we first summarise the recent promising research activities in the fields of generating renewable CO2/H2 sources from carbon capture technologies, green hydrogen production, and biomass-derived CO2/H2 mixture. Then we provide an overview of the developments in the preparation of some new bimetallic catalysts for CO2 hydrogenation reactions to methanol with emphasis on the synergistic effects and the enhancement of catalytic performances over monometallic counterparts. Finally, an outlook is presented for the future development in this research area.

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Publication details

The article was received on 11 Feb 2018, accepted on 31 May 2018 and first published on 01 Jun 2018


Article type: Minireview
DOI: 10.1039/C8CY00304A
Citation: Catal. Sci. Technol., 2018, Accepted Manuscript
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    Bimetallic Catalysts for Green Methanol Production via CO2 and Renewable Hydrogen: A Mini-review and Prospects

    M. M. Li and E. Tsang, Catal. Sci. Technol., 2018, Accepted Manuscript , DOI: 10.1039/C8CY00304A

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