Contact reactor for the purification of colored industrial wastewater, especially those containing methylene blue and rhodamine B

Abstract

The subject of the application is a contact reactor for the further purification of colored industrial wastewater, in particular wastewater containing methylene blue and / or rhodamine B, equipped with a tank characterized in that the tank comprises a filtration zone (7) with a fixed filter bed (3) made of a porous adsorbent with a specific surface area in the range from 100 m2 / g to 2000 m2 / g, occupying from 40% to 60% of the tank volume, and comprises an ozonation zone (4) with nozzles (5) for distributing ozone in the volume of wastewater.