Based on studies regarding the effectiveness of certain microorganisms in wastewater treatment, the importance of new technologies and methodologies that contribute to the energy transition, the bioreactors that are part of the MFC methodology (microbial fuel cells ), provide a different approach to conventional wastewater treatment methods, reducing the polluting organic loads present in the water and generating energy thanks to the microbial metabolism present in the cell, in the present work the information regarding the system is compiled. of biological treatment of microbial fuel cells for the removal of contaminants and energy production