Patent ID: 7678344
Filing Date: 2010-03-16
Classification: B01D,B01J

Abstract:
1. A regeneration device for regeneration of a used absorbent including a catalyst from a thermal desulfurization zone, comprising a regeneration means working in a reducing atmosphere by contacting a regeneration gas with the used absorbent, said regeneration means comprising filtering elements, an inlet for the used absorbent, an outlet for the gases, and an outlet for the regenerated absorbent, a means for partial combustion of a gas to provide the regeneration gas and a means for mixing the regeneration gas with the used absorbent, arranged upstream from the filtering elements of said regeneration means, and a means for fractionating the used absorbent, arranged upstream of the means for mixing, into at least two fractions, some of said fractions being rich in catalyst, the other being poor in catalyst, wherein said means for mixing mixes the regeneration gas with the other fraction poor in catalyst.