TY JOUR TI SUMMARY ANALYSIS OF THE FEATURES OF FORMATION AND PROSPECTS OF USING GYPSUM-CONTAINING WASTE AS AN ALTERNATIVE TO NATURAL GYPSUM RAW MATERIALS KW gypsum-containing waste KW phosphogypsum KW flue gas desulphurized gypsum KW sulphogypsum KW phosphogypsum KW titanium gypsum KW salt gypsum KW fluorogypsum KW fluoroanhydrite; nitrogypsum KW citrogypsum KW borogypsum JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Alfimova, N.I. PY 2025 IS 10 PB Belgorod State Technological University named after V.G. Shukhov