De-oxidation of niobium and tantalum metals
Dead roast-oxide flash reduction process for copper...
Debismuthising lead
Decomposition leach of sulfide ores with chlorine and oxygen
Decomposition of metal carbonyls and apparatus therefor
Decomposition process for the recovery of zinc
Decontamination and/or surface treatment of metals
Decontamination method for treatment residues
Decontamination of actinide values
Degassifying of metals using gas binding substances
Degassing and purifying molten aluminous metal
Degassing molten metals
Degassing molten metals
Degassing of molten metal
Delivery system for heap bioleaching
Dental alloy and amalgam
Deoxidation of a refractory metal
Deoxidation of copper
Deoxidising molten non-ferrous metals
Deoxidized copper