A review on oily wastewater: Impact, characterization, and treatment methodsKhaoula El Majdoub, Safaa Khattabi Rifi, Abdelaziz Madinzi, Latifa Mouhir and Salah SouabiBIO Web Conf., 212 (2026) 01026DOI: https://doi.org/10.1051/bioconf/202621201026