Patent ID: 6902717
Filing Date: 2005-06-07
Classification: B01J,C01B

Abstract:
1. A process for the catalytic partial oxidation of a hydrocarbonaceous feedstock with an oxygen-containing gas, said process comprising: contacting a flow of a feed mixture comprising the hydrocarbonaceous feedstock and the oxygen-containing gas, with a catalyst comprising at least one metal selected from Group VIII of the Periodic Table supported on a catalyst carrier, wherein said catalyst is retained in a fixed arrangement in a reactor comprising a feed supply chamber which is in fluid communication with an upstream surface of the fixed arrangement of catalyst; forming a conversion product comprising carbon monoxide and hydrogen; and, flowing a part of the conversion product back through the fixed arrangement of catalyst to the feed supply chamber; wherein the fixed arrangement of catalyst comprises a first and a second layer which are spaced apart from each other, wherein the first layer is located upstream of the second layer, the length of the first layer is smaller than the length of the second layer and wherein a part of the conversion product formed in the first layer flows back to the feed supply chamber.