Catalyst, use thereof and preparation process

B - Operations – Transporting – 01 – J

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B01J 23/656 (2006.01) C10G 49/06 (2006.01) C10G 49/08 (2006.01)

Patent

CA 2261738

Catalyst comprising from 0.1 to 15 % by weight of a noble metal selected from one or more of platinum, palladium and iridium, and from 2 to 40 % by weight of manganese and/or rhenium supported on an acidic carrier, said weight percentages indicating the amount of metal based on the total weight of carrier. Use of this catalyst in a process wherein a hydrocarbon feedstock comprising aromatic compounds is contacted with the catalyst at elevated temperature and pressure in the presence of hydrogen. Process for the preparation of the above catalyst, which process comprises incorporating the catalytically active metals into the carrier followed by drying and calcining.

Catalyseur comprenant de 0,1 à 15 % en poids d'un métal noble sélectionné dans un ou plusieurs parmi platine, palladium et iridium et de 2 à 40 % en poids soit de manganèse, soit de rhénium sur un support acide, lesdits pourcentages en poids indiquant la quantité de métal en fonction du poids total du support. Utilisation de ce catalyseur dans un procédé consistant à mettre en contact une charge d'hydrocarbure contenant des composés aromatiques avec le catalyseur à température et sous pression élevées en présence d'hydrogène. Procédé servant à préparer ce catalyseur et consistant à incorporer les métaux présentant une activité catalytique dans le support, puis à effectuer un séchage et une calcination.

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