Shell Oil Comapny

Taous Grandvallet Mahtout

Pierre Grandvallet

Guy Barre

Bob Scheffer

Daniel N Dagorn

Catalyst comprising from 0.1 to 15% by weight of a noble metal selected from one or more of platinum, palladium, and iridium, from 2 to 40% by weight of manganese and/or rhenium supported on an acidic carrier, these 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 this catalyst, which process comprises incorporating the catalytically active metals into the carrier followed by drying and calcining.

Process wherein a hydrocarbon feedstock is contacted with a catalyst

A process for improving the quality of lubricating base oils, which process comprises contacting a lubricating base oil with dry activated carbon.

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Grand Couronne, France

Taous Grandvallet Mahtout