Carbon footprint of chlorination and photocatalytic tertiary wastewater treatmentsMalek Tahech, Rita Puig, Rima Manneh, Marleine Boutros, Jordi Palatsi and Makram EL BachawatiE3S Web Conf., 585 (2024) 09003DOI: https://doi.org/10.1051/e3sconf/202458509003