Liquid metals for boosting stability of zeolite catalysts in the conversion of methanol to hydrocarbons

Yong Zhou, Sara Santos, Mariya Shamzhy, Maya Marinova, Anne-Marie Blanchenet, Yury G. Kolyagin, Pardis Simon, Martine Trentesaux, Sharmin Sharna, Ovidiu Ersen, Vladimir L. Zholobenko, Mark Saeys, Andrei Y. Khodakov () and Vitaly V. Ordomsky ()
Additional contact information
Yong Zhou: Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181 – UCCS – Unité de Catalyse et Chimie du Solide
Sara Santos: Ghent University
Mariya Shamzhy: Charles University
Maya Marinova: Institut Michel-Eugène Chevreul
Anne-Marie Blanchenet: Univ. Lille, CNRS, UMR 8207—UMET—Unité Matériaux et Transformations
Yury G. Kolyagin: Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181 – UCCS – Unité de Catalyse et Chimie du Solide
Pardis Simon: Institut Michel-Eugène Chevreul
Martine Trentesaux: Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181 – UCCS – Unité de Catalyse et Chimie du Solide
Sharmin Sharna: IPCMS, Université de Strasbourg—CNRS
Ovidiu Ersen: IPCMS, Université de Strasbourg—CNRS
Vladimir L. Zholobenko: Keele University
Mark Saeys: Ghent University
Andrei Y. Khodakov: Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181 – UCCS – Unité de Catalyse et Chimie du Solide
Vitaly V. Ordomsky: Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181 – UCCS – Unité de Catalyse et Chimie du Solide

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Methanol-to-hydrocarbons (MTH) process has been considered one of the most practical approaches for producing value-added products from methanol. However, the commonly used zeolite catalysts suffer from rapid deactivation due to coke deposition and require regular regeneration treatments. We demonstrate that low-melting-point metals, such as Ga, can effectively promote more stable methanol conversion in the MTH process by slowing coke deposition and facilitating the desorption of carbonaceous species from the zeolite. The ZSM-5 zeolite physically mixed with liquid gallium exhibited an enhanced lifetime in the MTH reaction, which increased by a factor of up to ~14 as compared to the parent ZSM-5. These results suggest an alternative route to the design and preparation of deactivation-resistant zeolite catalysts.

Date: 2024
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DOI: 10.1038/s41467-024-46232-9

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