Patent ID: 7235173
Filing Date: 2007-06-26
Classification: B01J,C10G

Abstract:
1. A process for preparation of a catalyst comprising at least one element of groups VIB and VIII of the periodic table deposited on a porous substrate, and as an additive at least one organic compound selected from the group consisting of hexamethylene diamine, monoethanolamine, diethanolamine, triethanolamine, N,N-dimethyl-N′-ethylethylene diamine, an amino alcohol and an amino alkoxy-silane, the process comprising impregnation of a porous substrate by the metal or metals of group VIB and/or group VIII and the deposit on said substrate of said organic compound, and a sulfurization stage, wherein the organic compound is present in the sulfurization feedstock and is deposited during the sulfurization stage.