Patent ID: 7612012
Filing Date: 2009-11-03
Classification: B01J,C10G

Abstract:
1. A catalyst having activity for both heteroatom removal and hydrogenation and which has been treated with hydrogen, at least one selectively deactivating agent for decreasing hydrogenation activity, and a protective agent that protects and substantially preserves heteroatom removal activity during treatment, said catalyst: comprising heteroatom removal sites and hydrogenation sites, is comprised essentially of an oxide of at least one Group VIB metal, an oxide of at least one Group VIII metal, and optionally an inorganic metal oxide support component, and which is optionally sulfided, wherein a ratio of deactivated hydrogenation sites to total hydrogenation sites exceeds a ratio of deactivated heteroatom removal sites to total heteroatom removal sites, in the absence of both the protective agent and the at least one selectively deactivating agent.