Hydraulic Simulation of Local Industrial Wastewater Treatment Facilities Uchqun Umarov, Aybek Arifjanov, Gulchekhra Rikhsikhodjaeva and Dinara Umarova E3S Web Conf., 449 (2023) 06009 Published online: 16 November 2023 DOI: 10.1051/e3sconf/202344906009