Effect of the hydrogen spillover on the selectivity of dibenzothiophene hydrodesulfurization over CoSx/γ-Al2O3, NiSx/γ-Al2O3 and MoS2/γ-Al2O3 catalysts

N. Escalona, R. García, G. Lagos, C. Navarrete, P. Baeza, F. J. Gil-Llambías

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

26 Citas (Scopus)

Resumen

Dibenzothiophene (DBT) hydrodesulphurization (HDS) reaction at 3 MPa and 325-375 °C on Mo/γ-Al2O3 single-bed and Me/γ-Al2O3//SiO2//Mo/γ-Al2O3 (Me = Co or Ni) double-bed catalysts were investigated. Results indicate that ratio cyclohexylbenzene (CHB)/biphenyl (BP) or selectivity is higher when using double-beds rather than a single-bed. Synergy in dibenzothiophene hydrodesulphurization on Co//Mo and Ni//Mo double-beds is also detected. Changes in selectivity and conversion are attributed to the action of spillover hydrogen (Hso) formed in the first bed that reaches the second bed.

Idioma originalInglés
Páginas (desde-hasta)1053-1056
Número de páginas4
PublicaciónCatalysis Communications
Volumen7
N.º12
DOI
EstadoPublicada - dic. 2006
Publicado de forma externa

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