Bacterial leaching of copper and zinc without iron leaching
Bacterial leaching of copper, nickel and cobalt
Bacterial medium for zinc leaching without iron leaching
Bacterial oxidation in upgrading sulfidic ores and coals
Ball moulding process
Balling process of a mineral or its concentrate with peat
Barrel-shaped mercury separator with spoked agitator
Base metal recovery
Base metal recovery from a tailings dump by bacterial oxidation
Base metals recovery by adsorption of cyano complexes on...
Batch leaching process
Batchwise working-up recycling materials in a rotatable reactor
Below-surface treatment of molten metals
Benefication method for iron which residues from...
Benefication of titania slag by oxidation and reduction...
Beneficiation of beryllium
Beneficiation of furnace dust for the recovery of chemical...
Beneficiation of ilmenite
Beneficiation of ilmenite ores
Beneficiation of ilmenite ores