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Oxidative Carbonylation of Methane to Acetic Acid over Commercial Rodium-Modified ZSM-5 Zeolites
https://orcid.org/https://orcid.org/0000-0003-2534-2624
https://orcid.org/https://orcid.org/0000-0002-8748-8736
https://orcid.org/https://orcid.org/0000-0002-9253-8523
https://orcid.org/https://orcid.org/0000-0002-1521-3901
https://orcid.org/https://orcid.org/0000-0001-8762-8025
https://orcid.org/https://orcid.org/0000-0001-7183-7324
The paper shows that introducing rhodium into zeolite significantly enhances the catalytic performance of the system. Rh/IK(UST), a catalyst sample distinguished by an increased concentration of strong acid sites, exhibited the highest activity and selectivity towards acetic acid (AA). In the presence of this catalyst, the yield of AA more than doubled, and the AA/methanol ratio increased by more than an order of magnitude, compared to the other Rh-modified catalysts. A synergistic effect of strong Brønsted acid sites and Rh single-atom sites was found. Their proximity plays a key role in this mechanism.
Oxidative Carbonylation of Methane to Acetic Acid over Commercial Rodium-Modified ZSM-5 Zeolites
https://orcid.org/https://orcid.org/0000-0003-2534-2624
https://orcid.org/https://orcid.org/0000-0002-8748-8736
https://orcid.org/https://orcid.org/0000-0002-9253-8523
https://orcid.org/https://orcid.org/0000-0002-1521-3901
https://orcid.org/https://orcid.org/0000-0001-8762-8025
https://orcid.org/https://orcid.org/0000-0001-7183-7324
The paper shows that introducing rhodium into zeolite significantly enhances the catalytic performance of the system. Rh/IK(UST), a catalyst sample distinguished by an increased concentration of strong acid sites, exhibited the highest activity and selectivity towards acetic acid (AA). In the presence of this catalyst, the yield of AA more than doubled, and the AA/methanol ratio increased by more than an order of magnitude, compared to the other Rh-modified catalysts. A synergistic effect of strong Brønsted acid sites and Rh single-atom sites was found. Their proximity plays a key role in this mechanism.
Oxidative Carbonylation of Methane to Acetic Acid over Commercial Rodium-Modified ZSM-5 Zeolites
https://orcid.org/https://orcid.org/0000-0003-2534-2624
https://orcid.org/https://orcid.org/0000-0002-8748-8736
https://orcid.org/https://orcid.org/0000-0002-9253-8523
https://orcid.org/https://orcid.org/0000-0002-1521-3901
https://orcid.org/https://orcid.org/0000-0001-8762-8025
https://orcid.org/https://orcid.org/0000-0001-7183-7324
The paper shows that introducing rhodium into zeolite significantly enhances the catalytic performance of the system. Rh/IK(UST), a catalyst sample distinguished by an increased concentration of strong acid sites, exhibited the highest activity and selectivity towards acetic acid (AA). In the presence of this catalyst, the yield of AA more than doubled, and the AA/methanol ratio increased by more than an order of magnitude, compared to the other Rh-modified catalysts. A synergistic effect of strong Brønsted acid sites and Rh single-atom sites was found. Their proximity plays a key role in this mechanism.
Oxidative Carbonylation of Methane to Acetic Acid over Commercial Rodium-Modified ZSM-5 Zeolites
Pet. Chem.
Kolesnichenko, N. V. (Autor:in) / Stashenko, A. N. (Autor:in) / Batova, T. I. (Autor:in) / Yashina, O. V. (Autor:in) / Kolesnikova, E. E. (Autor:in) / Golubev, K. B. (Autor:in)
Petroleum Chemistry ; 63 ; 648-654
01.06.2023
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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