Post-treatment of secondary treated effluent by Electrocoagulation: Nutrients removal and process optimizationAbdul Rahim Al Umairi, Wafa Al Rawahi, Yahya Al Shamsi, Buthaina Al Wahibi, Bushra Al Riyami and Sara Al NadabiE3S Web Conf., 433 (2023) 01001DOI: https://doi.org/10.1051/e3sconf/202343301001