Composition based on aluminum polychloride and iron salt its mode of preparation and its use in the treatment of water.

摘要

The invention relates to a composition comprising at least one basic aluminum polychloride or polychlorosulfate, at least one compound based on iron (ii) and / or iron (iii) and at least one salt chosen from among the alkali metal halides and / or alkaline-earth metal -. & br / the invention relates to a method for preparing this composition of the same way as to its use in a process for the treatment of aqueous media.