Process for the reactivation of sulfur deactivated cobalt titania catalyst

Abstract From the Canadian patent

A process for the desulfurization, and reactivation of a sulfur deactivated catalyst , constituted of cobalt composited with a titania support. The sulfur deactivated cobalt titania , catalyst is first contacted with a gaseous stream of molecular oxygen at temperature , sufficiently high to oxidize the sulfur component of the catalyst. The sulfur oxidized catalyst is , next contacted with a liquid preferably water, to remove the oxide, or oxides of the sulfur. , The catalyst is then contacted with a reducing agent suitably hydrogen, to , restore the activity of the catalyst. During the treatment there is no substantial loss if any, of , cobalt from the , catalyst.