Desulphurization of metals

Details Desulphurization of metals Desulphurization of metals

1980-04-21

1981-06-23

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 58, C21C 702

Patent

active

042748690

ABSTRACT:
The invention provides, for use in desulphurizing molten steel or iron, a desulphurizing composition in compacted form comprising lime, an alkali metal or alkaline earth metal fluoride or mixture thereof and sufficient ballmill dust to facilitate the compaction of the composition. The composition is preferably added to the molten metal in a ladle.

REFERENCES:
patent: 3326273 (1967-06-01), Jago
patent: 3771999 (1973-11-01), Fedock
patent: 3793006 (1974-02-01), Kawawa
patent: 3964900 (1976-06-01), Krupman
patent: 4014684 (1977-03-01), Jones

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