systems. This recycling may require additional treatment to achieve the quality required. Finally, in some cases, the use of evaporation-crystallisation techniques (see evaporator-crystalliser) will allow ... Industrial effluent treatment, Tertiary treatment, Phosphate removal, Evaporation-crystallisation ... Industrial effluent treatment Tertiary treatment Phosphate removal Evaporation-crystallisation ... Deodorization/Venting/Evaporation Flocculation/Sedimentation/Flotation...