Effect of fluorine in the synergism co-mo via hydrogen spillover on the hydrodesulphurization of refractory molecules

A. Méndez, M. Villarroel, E. Camú, F. J. Gil-Llambías, P. Avila, PATRICIO FRANCISCO BAEZA CHANDIA

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The influence of fluorine concentration on the synergism between Co/γ-Al2O3 and Mo/γ-Al2O3 stacked beds separated by 3-mm of γ-Al2O3Fx (x = 0 - 2.5%), in the hydrodesulphurization of refractory molecules contained in gasoil, under operating conditions similar to those of industry, was studied. The results shown, that the synergism increases with F content, reaching a maximum at 0.8% of fluorine, which it is related to changes in zero point of charge (ZPC) and acid strength, due to the incorporation of fluorine. The conversion of most refractory molecule reported is favoured by fluorine.

Original languageEnglish
Pages (from-to)2067-2070
Number of pages4
JournalJournal of the Chilean Chemical Society
Volume58
Issue number4
DOIs
StatePublished - Dec 2013
Externally publishedYes

Keywords

  • Fluorine
  • Hydrodesulphurization
  • Stacked Bed
  • Synergism

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