Long-term experience in anoxic wastewater treatment plants of planar MFC with Ce-doped cathodesAndrea Franzetti, Anna Espinoza, Enrico Barontini, Matteo Tucci, Paolo Bonelli and Pierangela CristianiE3S Web Conf., 334 (2022) 08010DOI: https://doi.org/10.1051/e3sconf/202233408010