Method for desulfurization using arc heat under vacuum

Details Method for desulfurization using arc heat under vacuum Method for desulfurization using arc heat under vacuum

1976-06-23

1978-01-17

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 49, 75 58, C21C 552, C21C 710, C21C 706

Patent

active

040690393

ABSTRACT:
An apparatus and method for consistently and economically lowering the sulfur content of steel into the 0.003/0.006 range and preferably to 0.003 maximum, which involves conditioning the steel near the end of, or immediately after, melt-down in the melting unit, followed by subjection to a highly basic, fluidized slag and violent agitation under vacuum conditions.

REFERENCES:
patent: 3826646 (1974-07-01), Karlsson
patent: 3885957 (1975-05-01), Richter
patent: 3925061 (1975-12-01), Carlsson
patent: 3980469 (1976-09-01), Forster

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