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- W4387613503 abstract "The effects of the metal ratio of NiCu catalysts on the low-temperature hydrodeoxygenation (HDO) of anisole were assessed on a neutral SiO2 and an acidic γ-Al2O3 support. The activity of SiO2-supported catalysts increases with the Ni content in the NiCu phase, related to Ni’s hydrogenation capacity. In contrast, on a γ-Al2O3 support, the activity decreases with the Ni content. Overall, Al2O3-supported catalysts, exhibiting a smaller NiCu alloy particle size, are more active than SiO2-supported ones. In terms of selectivity, SiO2-supported catalysts mainly hydrogenate anisole to methoxycyclohexane, while, particularly at higher conversions, γ-Al2O3-supported catalysts are able to further convert methoxycyclohexane to cyclohexane, demonstrating the importance of acid sites for low-temperature HDO. The Ni/Cu ratio also steers the selectivity, but not the catalyst stability. Deactivation phenomena are only support dependent: while on SiO2-supported catalysts, active site sintering occurs, attributed to weak stabilization of metal particles by the support, acid catalyzed coking is the main cause of deactivation on the γ-Al2O3-supported catalysts." @default.
- W4387613503 created "2023-10-14" @default.
- W4387613503 creator A5002483470 @default.
- W4387613503 creator A5042119305 @default.
- W4387613503 creator A5046066543 @default.
- W4387613503 creator A5053769959 @default.
- W4387613503 creator A5076306046 @default.
- W4387613503 date "2023-10-01" @default.
- W4387613503 modified "2023-10-15" @default.
- W4387613503 title "NiCu-based catalysts for the low-temperature hydrodeoxygenation of anisole: Effect of the metal ratio on SiO2 and γ-Al2O3 supports" @default.
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