Regeneration studies on nickel molybdate catalysts used for the upgrading of coal-derived liquids

Peter A. Hertan, Frank P. Larkins, W. Roy Jackson

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Nickel molybdate catalysts used in several different upgrading reactions of coal-derived materials from low-rank Australian coals have been regenerated and their activity assessed using a number of physical and chemical techniques. Regeneration of spent coked catalysts for 20 hours in air at 450°C was sufficient to restore chemical hydrogenation activity to catalyst used for pre-asphaltene, asphaltene and oil upgrading, provided poisoning of the catalyst surface by other impurities, principally chlorine-containing molecules, had not occurred.

Original languageEnglish
Pages (from-to)121-130
Number of pages10
JournalFuel Processing Technology
Issue number2
Publication statusPublished - 1 Jan 1985

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