ABSTRACT
Methane from mines (CBM) accompanying the primary mineral exploitation - coal and not received by the drainage, in the greater part is excreted into ventilation air, creating an air methane mixtures with different methane content (VAM).
Methane from mines (CBM) accompanying the primary mineral exploitation - coal and not received by the drainage, in the greater part is excreted into ventilation air, creating an air methane mixtures with different methane content (VAM).