Abstract

MENDEZ, A et al. EFFECT OF FLUORINE IN THE SYNERGISM Co-Mo VIA HYDROGEN SPILLOVER ON THE HYDRODESUL-PHURIZATION OF REFRACTORY MOLECULES. J. Chil. Chem. Soc. [online]. 2013, vol.58, n.4, pp.2067-2070. ISSN 0717-9707.  http://dx.doi.org/10.4067/S0717-97072013000400036.

The influence of fluorine concentration on the synergism between Co/γ-Al₂O₃ and MoAy-Al₂O₃ stacked beds separated by 3-mm of γ-Al₂O₃F_x (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.

Keywords : Hydrodesulphurization; Fluorine; Stacked Bed; Synergism.

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