Patent ID: 6355593
Filing Date: 2002-03-12
Classification: B01J,C10G

Abstract:
A process for converting one or a mixture of particulate dispersed active metals characterized by the capacity to form more than one oxide to an oxidized catalyst precursor comprising:a) forming a slurry of the dispersed active metals in a suitable fluid; b) contacting the dispersed active metals in the slurry with an oxidizing agent at temperatures below 200Â° C. for a time such that the metals no longer exhibit uncontrollable pyrophoricity, thereby forming an oxidized catalyst precursor comprising said metals and at least one of hydroxides thereof and oxides thereof, wherein at least a portion of said hydroxides and oxides are of the lower oxidation state of the metals; c) recovering said oxidized catalyst precursor; and d) drying said oxidized catalyst precursor.