Patent ID: 7476297
Filing Date: 2009-01-13
Classification: B01D,B01J,C07C,Y02P,Y10S

Abstract:
1. A column, for carrying out reactive distillations in the presence of a heterogeneous particulate catalyst, said column comprising a first region and a second region arranged in alternation, wherein the first region comprises an ordered packing formed from ordered sheet metal packings, the ordered sheet metal packings of the first region having a specific surface area, the ordered sheet metal packings of the first region forming intermediate spaces in the column interior, wherein the second region comprises an ordered packing formed from ordered sheet metal packings, the ordered sheet metal packings of the second region having a specific surface area, the ordered sheet metal packings of the second region forming intermediate spaces in the column interior, and wherein the specific surface areas of the ordered sheet metal packings of the first and second regions differ in such a manner that when catalyst particles are introduced into the intermediate spaces of the first region, but not the second region, and when a gas stream is passed through the column,