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Effect of spillover hydrogen and amorphous hydrocracking catalysts

Conference ·
OSTI ID:467969
; ;  [1]
  1. Universite Catholique de Louvain, Louvain-la-Neuve (Belgium)
The cracking of diphenylmethane on mixtures of sulfided CoMo/SiO{sub 2} and amorphous silica-alumina particles was studied. The products were benzene and toluene. The addition of CoMo/SiO{sub 2} to silica-alumina strongly increases the cracking rate and the OH-OD exchange, and diminishes the amount of coke formed. This is interpreted by a spillover of dissociated H{sub 2} (or D{sub 2}) onto the silica-alumina, with spillover hydrogen forming Bronsted sites and reacting with coke precursors, and spillover deuterium exchanging with the hydroxyls.
OSTI ID:
467969
Report Number(s):
CONF-960652--
Country of Publication:
United States
Language:
English

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