Changes in pH during the ozonation process of surface waterPalvan Kalandarov, Kanat Zhunussov, Abdurazak Kassimov, Bagzhan Baibolov, Nuridin Junussov and Kazima KaliyevaE3S Web Conf., 563 (2024) 01020DOI: https://doi.org/10.1051/e3sconf/202456301020