YUKHNO, D. and YERMAK, A. 2024. INVESTIGATION OF THE PROPERTIES OF A SORBENT OBTAINED BY ACTIVATING PETROLEUM COKE WITH PHOSPHOGYPSUM. Vestnik of Polotsk State University. Part B. Industry. Applied Sciences. 1 (Mar. 2024), 112-117. DOI:https://doi.org/10.52928/2070-1616-2024-49-1-112-117.