TY CONF TI ASSESMENT OF THE EFFICIECNY OF EXTRACTION OF NICKEL IONS FROM AQUEOUS MEDIUM BY NEW MAGNETIC SORBENTS ZEOLITE/Co0,5Zn0,5Fe2O4 KW zeolite KW cobalt-zinc ferrite KW nanocomposite sorbent KW nickel ions KW adsorption KW water purification JO ENERGY-SAVING AND ENVIRONMENTALLY FRIENDLY TECHNOLOGIES IN THE FORESTRY INDUSTRY AU Kotova, A.V. AU Novikova, L.A. AU Tomina, E.V. AU Meshcheryakova, A.A. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov