Catalyst composition, its preparation and use

Details Catalyst composition, its preparation and use Catalyst composition, its preparation and use

B - Operations, Transporting

01

J

B01J 23/62 (2006.01) B01J 29/44 (2006.01) C07C 4/18 (2006.01) C07C 15/04 (2006.01)

Patent

CA 2694898

A catalyst composition which comprises: a) a carrier which comprises at least 30 wt% of a binder selected from silica, zirconia and titania; at least 20 wt% of a pentasil zeolite, having a bulk silica to alumina ratio in the range of from 20 to 150 and being in its H+ form; and less than 10 wt% of other components, all percentages being on the basis of total carrier; b) platinum in an amount in the range of from 0.001 to 0.1 wt%, on the basis of total catalyst; and c) tin in an amount in the range of from 0.01 to 0.5 wt%, on the basis of total catalyst; its preparation and use; are provided.

L'invention porte sur une composition de catalyseur qui consiste en: a) un support qui comprend au moins 30 % en poids d'un liant choisi parmi la silice, la zircone et l'oxyde de titane; au moins 20 % en poids d'une pentasil zéolite, ayant un rapport silice à alumine en masse dans la plage de 20 à 150 et étant dans sa forme H+; et moins de 10 % en poids d'autres composants, tous les pourcentages étant sur la base du support total; b) du platine dans une quantité se situant dans la plage de 0,001 à 0,1 % en poids, sur la base du catalyseur total; et c) de l'étain dans une quantité se situant dans la plage de 0,01 à 0,5 % en poids, sur la base du catalyseur total. L'invention porte également sur la préparation de cette composition et sur son utilisation.

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