Patent ID: 7799730
Filing Date: 2010-09-21
Classification: B01J,C01B,Y02P

Abstract:
1. A cylindrical catalyst body, comprising a circumferential surface having grooves running parallel to the longitudinal axis of the catalyst body and webs running between the grooves, characterized in that the grooves and the webs running between the grooves are in their cross section in the form of a segment of a circle, wherein the selected radius of the segment of the circle of the webs is larger than the radius of the segment of the circle of the grooves wherein the catalyst body further comprises a central duct which extends along the longitudinal axis of the catalyst body, and wherein the catalyst body further comprises secondary ducts which run parallel to the longitudinal axis of the catalyst body, but eccentrically with respect thereto and wherein the longitudinal axes of the secondary ducts are arranged on a circle, the centre point of which is formed by the longitudinal axis of the catalyst body, and the centre point of the segment of a circle of the webs are arranged on the longitudinal axis of the secondary duct.