Shell Oil Comapny

Jen Arend Van Welsenes

Marcello Stefano Rigutto

Ferry Winter

Johannes Jacobus Maria Van Vlaanderen

Ali Azghay

Patricia Johanna Anne Maria Giltay

Process for preparing a hydrotreating catalyst comprising of from 5 wt % to 50 wt % of molybdenum, of from 0.5 wt % to 20 wt % of cobalt, and of from 0 to 5 wt % of phosphorus, all based on total dry weight of catalyst, which process comprises (a) treating a nickel containing carrier with molybdenum, cobalt and of from 1 to 60% wt of gluconic acid, based on weight of carrier, and optionally phosphorus, (b) optionally drying the treated carrier at a temperature of from 40 to 200&#xb0; C., and (c) calcining the treated and optionally dried carrier at a temperature of from 200 to 650&#xb0; C. to obtain the calcined treated carrier.

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Amsterdam, Netherlands

Jen Arend Van Welsenes