TY JOUR TI Obtaining magnetite recovery iron-containing waste KW magnetite KW metallurgical dust KW waste of carbon black KW sediment of water de-Ironing station KW magnetic liquid JO From Chemistry Towards Technology Step-By-Step AU Kalayeva, S.Z. AU Markelova, N.L. AU Makarov, V.M. PY 2021 IS 2 PB Yaroslavl State Technical University