Central Mining Institute Plac Gwarków 1 40-166 Katowice Poland;
Central Mining Institute Plac Gwarków 1 40-166 Katowice Poland;
Central Mining Institute Plac Gwarków 1 40-166 Katowice Poland;
Dry coal beneficiation; Coal enrichment; Coal waste processing; Aerodynamic separation; Deshaling; Negative-pressure system;