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- W3201754023 abstract "Furfural is a renewable lignocellulose-derived platform molecule, which can be transformed into biofuels and value-added chemicals (e.g., furfuryl alcohol and 2-methylfuran over metal-supported catalysts). Despite a number of approaches proposed for designing hydrogenation catalysts, highly selective furfural hydrogenation towards furfuryl alcohol (FA) or 2-methylfuran (2-MF) is still challenging. Here, we report on selective transformation of furfural either to FA or 2-MF achieved over zeolite BEA-supported Rh catalysts by optimizing Si/Al ratio and charge-balancing cations of the support. Among studied H- and Na-exchanged aluminosilicate BEA zeolite supports (Si/Al = 12.5; 25; 68; 150), [email protected] catalysts lacking Brønsted and strong Lewis acidity showed enhanced selectivity towards FA (75 – 94% depending on the Si/Al ratio) at 74 – 84% conversion of furfural. In turn, selective formation of 2-MF (98% selectivity at 87% conversion) was observed over Al-rich [email protected] catalyst (Si/Al=12.5) with the highest concentration of Brønsted acid sites. Weaker adsorption of FA on Na- vs. H-form of [email protected] catalyst was verified by FTIR spectroscopy and is assumed a key factor governing selective hydrogenation of furfural to FA over [email protected] catalysts." @default.
- W3201754023 created "2021-10-11" @default.
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- W3201754023 creator A5069603686 @default.
- W3201754023 date "2022-05-01" @default.
- W3201754023 modified "2023-09-27" @default.
- W3201754023 title "Highly selective reduction of biomass-derived furfural by tailoring the microenvironment of Rh@BEA catalysts" @default.
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- W3201754023 doi "https://doi.org/10.1016/j.cattod.2021.09.031" @default.
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