Characterization of sludge from the Fez wastewater treatment plant Abdelaziz Touzani, Yahya El Hammoudani, Khadija Haboubi, Lahcen Benaabidate, Iliass Achoukhi, Mohamed Moudou, Mustapha El Boudammoussi, Hatim Faiz and Fouad Dimane BIO Web Conf., 109 (2024) 01015 Published online: 20 May 2024 DOI: 10.1051/bioconf/202410901015