Process and apparatus for producing molten pig iron

Process and apparatus for producing zirconium sponge

Process and device for melting iron metallurgical materials in a

Process and device for preheating scrap

Process for sintering on a sintering machine

Producing metal and carbon dioxide with hydrogen recycle

Reactor for iron making

Reduced dusting bath system for metallurgical treatment of sulfi

Reduction vessel for the reduction of metal-oxide-bearing...

Refining of metals

Removable hatch for blast furnace iron through hood

Retort assembly for kroll reductions

Retort pipe seal

Rotary hearth furnace and method of operating the same

Seal between wall members of a metallurgical vessel enclosure

Shroud for steel making electric-arc furnace

Sintering machine

Sintering plant

Sintering with exhaust gas pipes

Smelting apparatus for making elemental silicon and alloys there