High activity gamma alumina catalysts

Details High activity gamma alumina catalysts High activity gamma alumina catalysts

B - Operations, Transporting

01

J

B01J 21/04 (2006.01) B01J 23/74 (2006.01) B01J 23/85 (2006.01) B01J 27/188 (2006.01) B01J 35/10 (2006.01) B01J 37/02 (2006.01) B01J 38/02 (2006.01) B01J 38/48 (2006.01) C10G 45/04 (2006.01) C10G 47/02 (2006.01)

Patent

CA 2190006

Provided are high activity catalysts based upon gamma alumina containing substrates impregnated with one or more catalytically active metals, which catalysts in addition contain a nanocrystalline phase of alumina of a crystallite size at the surface of less than 25 .ANG.. Also provided are processes for preparing such high activity catalysts and various uses thereof.

L'invention concerne des catalyseurs à haute activité basés sur des substrats contenant de l'alumine gamma, imprégnés avec un ou plusieurs métaux actifs du point de vue plan catalytique. Ces catalyseurs contiennent en plus une phase nanocristalline d'alumine constituée en surface de cristallites dont la taille est inférieure à 25 .ANG.. L'invention concerne également des procédés pour préparer de tels catalyseurs à haute activité ainsi que différentes utilisations de ces catalyseurs.

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