TY CONF TI PROSPECTS FOR THE DEVELOPMENT OF MEMBRANE TECHNOLOGIES IN GAS SEPARATION PLANTS KW gas separation KW half-fiber membrane materials KW selectivity KW permeability JO MODERN TECHNOLOGIES AND SYSTEMS IN TRANSPORT: PROBLEMS AND PROSPECTS AU Yankina, K.Y. AU Kuksov, D.Y. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov