Study on Production of Sorbent Reagents Based on Dolomite and Phosphoric Acid Khurshida Urunova, Durdona Azimova, Farhod Umirov, Najimuddin Usanbayev, Jamshid Kholmurodov and Uktam Temirov E3S Web Conf., 563 (2024) 02037 Published online: 30 August 2024 DOI: 10.1051/e3sconf/202456302037