Metal refining method

C - Chemistry – Metallurgy – 21 – C

Patent

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C21C 5/00 (2006.01) C21B 13/00 (2006.01) C21C 5/34 (2006.01) C21C 5/35 (2006.01) C21C 5/52 (2006.01) C21C 5/56 (2006.01)

Patent

CA 1094325

ABSTRACT OF THE DISCLOSURE Various forms of method and apparatus are described for the manufacture of steel wherein solid carbonaceous materials are injected below the surface of a melt during the introduction of oxygen to raise the energy level within the melt. Solid iron-bearing materials may also be introduced to the melt and a continuous tapping process is described wherein the iron-bearing and carbonaceous materials are delivered continuously to the melt.

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