Patent ID: 7563745
Filing Date: 2009-07-21
Classification: B01J,C10G

Abstract:
1. A shaped catalyst or catalyst precursor containing a catalytically active component or a precursor thereof, wherein the component is selected from the group consisting of ruthenium, iron, cobalt and nickel, supported on a cater, which catalyst or catalyst precursor is an elongated shaped particle comprising three protrusions each extending from and attached to a central position, wherein the central position is aligned along the longitudinal axis of the particle, the cross-section of the particle occupying the space encompassed by the outer edges of six circles around a central circle, each of the six circles touching two neighboring circles while three alternating circles are equidistant to the central circle and may be attached to the central circle, minus the space occupied by the three remaining outer circles and including the six interstitial regions, the shaped catalyst or catalyst precursor having a cross-section in which the three remaining alternating circles have diameters in the range between 0.74 and 1.3 times the diameter of the central circle, the overlap of each alternating circle and the central circle being less than 5% of the area of the central circle.