Method of ladle desulfurizing molten steel

Details Method of ladle desulfurizing molten steel Method of ladle desulfurizing molten steel

1988-09-29

1989-08-01

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, C27C 702

Patent

active

048530344

ABSTRACT:
A method for desulfurizing molten steel in a ladle employs high MgO content calcium-aluminate synthetic slag. A preferred slag composition contains 0.1-3.0% by weight of vanadium oxide. A particularly preferred composition is the slag obtained from the production of vanadium or ferrovanadium by aluminum reduction of vanadium oxides.

REFERENCES:
patent: 3420659 (1969-01-01), Rathman
patent: 3460937 (1969-08-01), Rathmann
patent: 3579328 (1971-05-01), Aas
patent: 4256487 (1981-03-01), Bobkova
patent: 4364771 (1982-12-01), Cordier
patent: 4490173 (1984-12-01), Schwer

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