SEARCH Articles Figures Tables Catalyst sulfidic Cobalt catalyst Cobalt catalysts catalyst Cobalt sulfide phase structure catalysts Cobalt sulfides, hydrogenation catalyst Cobalt-Molybdenum Sulfide Hydrodesulfurization Catalysts Cobalt-molybdenum catalysts sulfided Cobalt-molybdenum sulfide catalyst Cobaltous oxide catalysts sulfidation Sulfides catalysts