Direct reduction of molybdenum oxide to substantially metallic m

Direct reduction of ores and concentration of metallic values

Direct reduction process for iron ores with fluidized bed system

Direct reduction process for producing metallic iron

Direct reduction process for producing reduced iron

Direct reduction process in a rotary kiln

Direct reduction process in reactor with hot discharge

Direct reduction reactor with hot discharge

Direct reduction rotary kiln with improved air injection

Direct reduction steelmaking process

Direct smelting or zinc concentrates and residues

Direct smelting process for non-ferrous metal sulfide ores

Direct smelting process with a thermal plasma

Direct use of sulfur-bearing nickel concentrate in making Ni all

Direct-reduction process carried out in a rotary kiln

Disintegration of chromites

Dispersion strengthened metals

Dispersion strengthened metals

Disposable bed filter process and apparatus

Dore slag treatment