Patent Number: 6,254,846

Title: Process for purifying fumes and for manufacturing an aqueous sodium chloride solution

Abstract: Process for purifying fumes originating from the incineration of household waste and for manufacturing an aqueous sodium chloride solution, according to which the fumes (3) are subjected to a dust-removal operation in order to separate out the ash (5), which is washed with water, the dust-free fumes (9) are treated with a basic reagent (11) comprising a sodium compound, and they are then subjected to a dust-removal operation, the dust (16) collected from the dust-removal operation is dispersed in water (8) originating from the washing of the ash (5), and the aqueous sodium chloride solution thus obtained (19) is purified.

Inventors: Depelsenaire; Guy (Court-Saint-Etienne, BE)

Assignee: Solvay (Societe Anonyme)

International Classification: B01D 53/70 (20060101); C01D 3/00 (20060101); C01D 3/16 (20060101); C01D 3/04 (20060101); C04B 18/04 (20060101); C04B 18/10 (20060101); C01D 003/04 (); B01D 053/70 ()

Expiration Date: 07/03/2018