Patent ID: 8092694
Filing Date: 2012-01-10
Classification: B01D,C10G

Abstract:
1. A downstream secondary separation device for the secondary separation of solid particles with a diameter of less than 50 microns in suspension in a liquid hydrocarbon phase, to be placed downstream of an upstream device for primary separation of said liquid hydrocarbon phase charged with solid particles, said downstream device comprising: a housing; at least one a holding layer constituted by inert macroporous particles with a diameter in the range of 1 to 3 mm positioned within said housing; at least one deep filtration layer constituted by inert particles with a size distribution in the range of 0.4 microns to 80 microns, with a mean diameter in the range of 25 microns to 35 microns positioned within said housing; and wherein said device has an axial bed or radial bed mode of operation.