The CoO-MoO3-gamma-Al2O3 : VII. Influence of the support

V.H.J. Beer, de, M.J.M. vd Aalst, C.J. Machiels, G.C.A. Schuit

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The thiophene hydrodesulfurization activity was measured under continuous flow conditions at 400 °C and atmospheric pressure for Mo- and Co-containing catalysts supported on different materials (¿- and ¿-Al2O3 and SiO2) and using different methods of preparation. The results showed that all supports having a high specific surface area are suitable in HDS catalyst preparation. Alumina is to be preferred because it inhibits the formation of CoMoO4, and thus exerts a beneficial influence on catalyst preparation. The main function of the support is to stabilize a high degree of dispersion of the actual active component MoS2. In addition the carrier may facilitate hydrogenation and isomerization reactions.
Original languageEnglish
Pages (from-to)78-89
Number of pages12
JournalJournal of Catalysis
Issue number1-3
Publication statusPublished - 1976


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