WASTEWATER TREATMENT COMPRISING ELECTRODISSOLUTION, FLOCCULATION AND OXIDATION

摘要

The invention relates to a method for reducing the chemical oxygen demand of, and the total organic carbon and total solids in a contaminated liquid medium, comprising the following steps consisting in: supplying a contaminated liquid medium to an electrolytic cell provided with electrodes; applying a constant direct current across the electrodes; flocculating the solids in the contaminated liquid medium by adding adjuvants, and removing the sludge and supernatant obtained; and oxidising the supernatant using oxidising agents.