MD//Mo and MD//W [MD = Mn, Fe, Co, Ni, Cu and Zn] promotion via spillover hydrogen in hydrodesulfurization

M. Villarroel, P. Baeza, N. Escalona, J. Ojeda, B. Delmon, F. J. Gil-Llambías

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

46 Citas (Scopus)

Resumen

The promotion effect of Mn, Fe, Co, Ni, Cu and Zn sulfides on the hydrodesulfurization (HDS) activity of Mo and W sulfides, under experimental conditions like industrial ones, using staked beds, was studied. Synergism between staked beds in all the studied pairs, with a magnitude that leads a volcano curve with a maximum in Co and Ni sulfides was detected. Promotion was well explained by the formation of spillover hydrogen (Hso) in the first bed (in which Mn, Fe, Co, Ni, Cu or Zn sulfides supported on γ-Al2O3 were located) that migrate to the second bed (in which Mo or W sulfides supported on γ-Al2O3 were located), 5 mm below.

Idioma originalInglés
Páginas (desde-hasta)152-157
Número de páginas6
PublicaciónApplied Catalysis A: General
Volumen345
N.º2
DOI
EstadoPublicada - 1 ago. 2008
Publicado de forma externa

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