Waste treatment system containing complex organic materials, use thereof and process waste treatment employing such system

Waste treatment system of complex organic materials comprising an electrochemical reactor (1) configured to perform electrooxidation and / or electrooxidation-hydrolysis of complex organic material; Anaerobic digestion reactor (10) configured to perform an anaerobic degradation of organic material; an output port (7) configured to outgassing and a process using said system can be performed in two stages or in a single step, using said system processes co-digestion of waste and treatment process said system employing waste.