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High-loaded Ni-based catalysts obtained via supercritical antisolvent coprecipitation in transfer hydrogenation of anisole: Influence of the support.
- Source :
-
Applied Catalysis A: General . Aug2022, Vol. 643, pN.PAG-N.PAG. 1p. - Publication Year :
- 2022
-
Abstract
- Transfer hydrogenation of anisole in 2-PrOH has been studied as a model reaction for lignocellulose processing. The reaction was studied over high-loaded Ni-based catalysts synthesized via supercritical antisolvent precipitation of a Ni precursor and sols of four oxides: Al 2 O 3 , SiO 2 , TiO 2 , and ZrO 2. It was demonstrated that the oxide support significantly affects the structure of the catalysts, their activity, and selectivity. The best performance in the transfer hydrodeoxygenation of anisole was shown by Ni supported on alumina at 250 °C, which was explained by the highest dispersion of Ni0 particles in this catalyst and by the highest concentration of acid centers. [Display omitted] • Well-dispersed high-loaded Ni catalysts were synthesized by SAS method. • Obtained catalysts show excellent activity in transfer hydrogenation of anisole. • Acid sites and the smaller Ni particles facilitate hydrodeoxygenation of anisole. [ABSTRACT FROM AUTHOR]
- Subjects :
- *TRANSFER hydrogenation
*ANISOLE
*ALUMINUM oxide
*CATALYSTS
*CATALYST structure
Subjects
Details
- Language :
- English
- ISSN :
- 0926860X
- Volume :
- 643
- Database :
- Academic Search Index
- Journal :
- Applied Catalysis A: General
- Publication Type :
- Academic Journal
- Accession number :
- 158512825
- Full Text :
- https://doi.org/10.1016/j.apcata.2022.118792