Process for making a lube basestock

Details Process for making a lube basestock Process for making a lube basestock

C - Chemistry, Metallurgy

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C10G 45/58 (2006.01) B01J 29/40 (2006.01) B01J 29/44 (2006.01) B01J 29/70 (2006.01) B01J 29/74 (2006.01) B01J 29/80 (2006.01) C10G 45/60 (2006.01) C10G 45/64 (2006.01)

Patent

CA 2505609

A method for hydroisomerizing a waxy feed to favor one of VI or yield is described. The method uses a unitized pellet powder catalyst comprising a metal hydrogeneration component, a first catalytic component selected from 8, 10 and 12 ring molecular sieves and mixtures thereof, and a second amorphous isomerization component which is an amorphous inorganic oxide. Importantly, the ratio of feed and second components are present in a predetermined ratio to provide a preselected acidity favoring one of VI or yield resulting from the hydroisomerization.

L'invention concerne un procédé d'hydroisomérisation d'une charge paraffineuse destiné à favoriser l'indice de viscosité ou le rendement. Ce procédé fait appel à un catalyseur sous forme de pastilles de poudre unitaires comprenant un composant d'hydrogénation métallique, un premier composant catalytique choisi parmi des tamis moléculaires à 8, 10 et 12 cycles et des mélanges de ceux-ci, ainsi qu'un second composant d'isomérisation amorphe, ce second composant étant un oxyde inorganique amorphe. Le premier et le second composant sont présents selon un rapport prédéterminé de façon à procurer une acidité prédéfinie favorisant l'indice de viscosité ou le rendement résultant de l'hydroisomérisation.

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