METHOD FOR TREATING AN AQUEOUS ACIDIC LIQUID CONTAINING HEAVY METALS AND DEVICE FOR CARRYING OUT SAID METHOD

摘要

The invention relates to a method for treating an aqueous acidic liquid containing heavy metals, characterised in comprising a step during which a reaction mixture is produced with (i) the aqueous acidic liquid containing the heavy metals and (ii) a solid anhydrous precipitation and neutralisation reagent comprising at least 90 wt. % of calcium carbonate.