Patent ID: 8168564
Filing Date: 2012-05-01
Classification: B01J,C10G

Abstract:
1. A catalyst support in the shape of a non-planar ring having a bore, said bore having an axis through its centre; wherein the ring has a height that is larger than the thickness of the ring, the height being defined as the distance between two parallel planes, whereby the axis through the bore of the ring is perpendicular to these planes, and whereby both planes are touching the ring; and wherein there is no rotational symmetry around the axis extending through the centre of the bore defined by the ring, and wherein the ratio of the thickness of the ring to the outer diameter of the ring is less than 0.5; and wherein the ring may have a helix shape provided that in that case the helix shape has at least 0.8 turns and at most 1.5 turns, and wherein the ring comprises a metal structure coated with a refractory oxide, said coating having a thickness of less than 500 μm and more than 50 μm.