Hydrodeoxygenation of Palmitic and Stearic Acids on Phosphide Catalysts Obtained In Situ in Reaction Medium


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Abstract

Unsupported phosphide catalysts of composition Ni2P and CoP are prepared in situ in the reaction medium from oil-soluble precursors in the course of hydrodeoxygenation of palmitic and stearic acids. The obtained catalysts are characterized by X-ray powder diffraction and X-ray photoelectron spectroscopy; they show high activity in the hydrodeoxygenation of model substrates. After 6 h of the hydrodeoxygenation reactions, the conversion of palmitic acid reaches 93 and 92% and the conversion of stearic acid is as high as 94 and 91% in the presence of nickel phosphide and cobalt phosphide, respectively. It is shown that the catalyst formed in situ can be isolated and recycled.

About the authors

M. A. Golubeva

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences

Author for correspondence.
Email: vinnikova@ips.ac.ru
Russian Federation, Moscow, 119991

A. L. Maksimov

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences; Faculty of Chemistry, Moscow State University

Email: vinnikova@ips.ac.ru
Russian Federation, Moscow, 119991; Moscow, 119991

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