TY JOUR TI EXPERIMENTAL STUDY OF COAGULATION OF PARTICLES IN A MAGNETIC SEDIMENTATION KW magnetic sump KW magnetic field KW coagulation KW magnetic field strength KW impurities KW cleaning JO Vestnik of Kazan State Agrarian University AU Masyutkin, E.P. AU Avdeev, B.A. PY 2020 IS 15 PB Kazan state agrarian University