C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
C21C 7/072 (2006.01) B22D 11/117 (2006.01) C21C 5/32 (2006.01) C21C 5/46 (2006.01) C21C 7/04 (2006.01) C21C 7/068 (2006.01) C21C 5/52 (2006.01)
Patent
CA 2379591
A metal refining method particularly useful with a basic oxygen steelmaking process, wherein during an initial period, refining oxygen is provided into the furnace headspace surrounded by a shroud comprising oxygen and inert gas, and during a subsequent period refining oxygen is provided into the furnace headspace surrounded by a frame shroud.
Anderson John Erling
Mahoney William John
Sarma Balu
Selines Ronald Joseph
Praxair Technology Inc.
Sim & Mcburney
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