TY JOUR TI STUDYING WATER DEMANGANATION FROM SURFACE SOURCES BY SORPTION KW MANGANESE IN NATURAL WATERS KW MANGANESE CONTENT IN WATER KW DEMANGANIZATION OF NATURAL WATER KW DEMANGANIZATION OF SURFACE WATER BY SORPTION KW EXPERIMENTAL WATER DEMANGANIZATION UNIT KW RESEARCH RESULTS JO Herald of Technological University AU Busarev, A.V. AU Sheshegova, I.G. AU , .. AU Kurbatova, E.I. PY 2026 IS 29 PB Kazan National Research Technological University