Process for treating an absorbent solution or absorbent suspension, originating from wet flue gas desulphurisation, with a gaseous oxidant and apparatus for carrying out the process

摘要

In the process, one or more zones having an excess of oxidant and a natural recirculation flow are produced in the absorbent solution or absorbent suspension, and the absorbent solution or absorbent suspension enriched with excess oxidant is evenly incorporated from this zone or zones into zones having a shortage of oxidant by the natural recirculation flow of the zone or zones and/or by an externally forced flow; apparatus for carrying out the process is also described, one or more hollow bodies immersed in the absorbent solution or absorbent suspension, preferably bell-shaped bodies (1) being used, having a skirt (2) mounted on the bottom casing edge, which skirt has recesses on the peripheral sides and a skirt surface preferably perpendicular to the vessel bottom and at least one oxidant feed (6) connected to this hollow body or bell-shaped body (1) or bodies. IMAGE