Deoxygenation of palmitic and stearic acid over supported Pd catalysts: Effect of metal dispersion

Irina Simakova, Olga Simakova, Päivi Mäki-Arvela, Andrey Simakov, Miguel Estrada, Dmitry Yu Murzin*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

178 Citations (Scopus)

Abstract

Catalytic deoxygenation of palmitic and stearic acids mixture was studied over four synthesized Pd catalysts supported on synthetic carbon (Sibunit) in a semibatch reactor and dodecane as a solvent at 260-300 °C. The catalysts were prepared by precipitation deposition method using Pd chlorides as metal precursors. All catalysts contained 1 wt.% Pd, however, the metal dispersion was systematically varied. An optimum metal dispersion giving the highest reaction rate was observed. The main liquid phase products were n-heptadecane and n-pentadecane, which were formed in parallel. In addition to the particle size effect the impact of mass transfer was elucidated and a detail discussion on temperature programmed desorption of CO from the fresh and spent samples was provided.

Original languageEnglish
Pages (from-to)100-108
Number of pages9
JournalApplied Catalysis A: General
Volume355
Issue number1-2
DOIs
Publication statusPublished - 28 Feb 2009
MoE publication typeA1 Journal article-refereed

Keywords

  • Deoxygenation
  • Fatty acid
  • Palladium

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