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- Title
Regulating the Hydrodeoxygenation Activity of Molybdenum Carbide with Different Diamines as Carbon Sources.
- Authors
Zhou, Linyuan; Yang, Huiru; Du, Xiangze; Hu, Changwei
- Abstract
The hydrodeoxygenation (HDO) of renewable fats or fatty acids into alkanes is a powerful measure to address energy and environmental crises. Molybdenum carbide-based catalysts are promising due to their platinum-like noble metal electronic properties. In this paper, Mo2C catalysts were prepared by one-step carbonization of amine molybdenum oxide (AMO) precursors using diamines with different carbon chain lengths as ligands. The physical and chemical properties and the HDO catalytic activity of the catalysts were investigated. The results indicate that as the carbon chain of diamines in the precursor increases, the carbon content of the catalysts in the surface and bulk phase increases. The Mo2C-12 catalyst exhibited excellent catalytic performance, with a palmitic acid conversion rate of 100% and an alkane selectivity of 96.6%, which are attributed to the smallest particle size, largest pore size, and synergistic effect of carbon. This work provides a simple and safe method for regulating the surface properties of Mo2C catalysts.
- Subjects
MOLYBDENUM catalysts; MOLYBDENUM compounds; MOLYBDENUM oxides; MOLYBDENUM; CATALYTIC activity; PALMITIC acid; AMINE oxides; DIAMINES
- Publication
Catalysts (2073-4344), 2024, Vol 14, Issue 2, p138
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal14020138