ANAEROBIC DIGESTION (DA) IS A MATURE TECHNOLOGY USED IN NUMEROUS INSTALLATIONS AROUND THE WORLD FOR THE ENERGETIC USE OF RESIDUAL STREAMS WITH HIGH ORGANIC LOAD. HOWEVER, THE DA DA HAS TWO FUNDAMENTAL LIMITATIONS: FIRSTLY, THE SENSITIVITY OF METHANEGEN MICROORGANISMS TO CHANGES IN ENVIRONMENTAL FACTORS SUCH AS PH, ORGANIC OVERLOADS OR HIGH SALT CONCENTRATIONS CAN LEAD TO AN ACCUMULATION OF VOLATILE FATTY ACIDS, AND THUS TO A STOP IN THE PROCESS. SECONDLY, THE RECALCITRANCE OR LOW DEGRADABILITY OF CERTAIN ORGANIC WASTE LIMITS THE SCOPE OF APPLICATION TO EASILY DEGRADABLE WASTE. _x000D_ with THE IMPLEMENTATION OF THIS PROJECT we intend to give an answer to this double disaffeency by means of the application of electronic and bioelectrochimic base technology. IN THE FIRST PLACE WE PROPOSE TO INTEGRATE BIOCATALITICA ELECTROLYSIS WITH THE OBJECTIVE OF IMPROVING THE ROBUSTNESS AND STABILITY OF DIGESTION PROCESSES IN THE FACE OF ORGANIC OVERLOADS AND INCREASING THE PRODUCTION OF METHANE PRODUCTION OBTAINED IN BIOGAS (THE USE OF BIOCHAR PARTICLES IS ALSO CONSIDERED TO FAVOR THE LATTER). SECONDLY, THE AIM IS TO DEVELOP A PRE-TREATMENT OF ELECTROXIDACION IN ORDER TO IMPROVE THE DEGRADABILITY OF CERTAIN ORGANIC WASTE AND THUS TO EXPAND THE RANGE OF SUBSTRATES THAT CAN BE USED IN ANAEROBIC DIGESTION. THIS PRETREATMENT WILL BE INTEGRATED WITH A BIOCATODO WITH THE AIM OF MAKING USE OF THE ELECTRONS GENERATED DURING THE ELECTROXIDACION FOR ORGANIC COMPOUNDS BIOELECTROSINTESIS. IN ADDITION, WE AIM TO USE LOW-COST MATERIALS AND OPTIMISE THE ENERGY BALANCE OF BOTH PROCESSES IN ORDER TO PROMOTE THE SCALABILITY AND APPLICABILITY OF THE PROPOSED TECHNOLOGIES.