TY JOUR TI Purification of peat groundwater by ultrafiltration and membrane purification KW ultrafiltration method and membrane groundwater purification method KW efficiency of groundwater treatment KW concentrations of groundwater composition components JO Proceedings of Petersburg Transport University AU Kolbikov, A.M. AU Suvorova, O.K. AU Fedoseenko, A.A. PY 2024 IS 21 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"