Patent ID: 8026194
Filing Date: 2011-09-27
Classification: B01J,C07C,C10G

Abstract:
1. A catalyst for selective hydrogenation comprising: a layered structure having an inner core comprising an inert material; an outer layer bonded to the inner core, comprising aluminum oxide and a metal oxide selected from the group consisting of gamma alumina, delta alumina, eta alumina, theta alumina, silica-alumina, zeolites, nonzeolitic molecular sieves, titania, zirconia, and mixtures thereof; a first metal deposited on the outer layer, wherein the first metal is selected from a first group consisting an IUPAC Group 8-10 metal, and mixtures thereof; and a second metal deposited on the outer layer, wherein the second metal is selected from a second group consisting of an IUPAC Group 11-17 metal, and mixtures thereof; wherein the atomic ratio of the first metal to the aluminum in the outer layer is in a ratio between 0.001 and 0.005, wherein the atomic ratio of the second metal to the first metal is less than 6.