Process for treating pig iron melts and steel melts or alloys

Details Process for treating pig iron melts and steel melts or alloys Process for treating pig iron melts and steel melts or alloys

C - Chemistry, Metallurgy

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C

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C21C 1/00 (2006.01) C21C 5/32 (2006.01) C21C 5/34 (2006.01) C21C 7/00 (2006.01) C21C 7/072 (2006.01)

Patent

CA 1130569

O.Z. 0050/033183 Abstract of the Disclosure: A process for treating pig iron melts and steel melts or alloys in a converter, crucible or other vessel, wherein the entire refining and treatment process is carried out in a vessel with carbon dioxide, continuously and up to the finishing of the steel. Liquid carbon dioxide under a pressure of from 4.0 to 20.0 bar is used for the treatment. From about 50 to 300 kg of CO2/tonne of steel are required for the refining of the pig iron melt.

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