Desulfurization mixture and process for making it

Details Desulfurization mixture and process for making it Desulfurization mixture and process for making it

1982-03-18

1983-07-26

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, 75257, C22C 702

Patent

active

043952828

ABSTRACT:
The disclosure provides mixtures for the desulfurization of metal melts, especially steel and crude iron melts, based on CaC.sub.2 --CaO-crystal blends produced in the fused mass. More specifically, the mixtures contain free carbon and carbonate and have a portion of the CaO in the CaC.sub.2 --CaO-crystal blend hydrated to Ca(OH).sub.2. The disclosure also relates to a process for making the mixtures.

REFERENCES:
patent: 3197306 (1965-07-01), Osborn
patent: 3314782 (1967-04-01), Arnaud
patent: 3598573 (1971-08-01), Freissmuth
patent: 3884679 (1975-05-01), Mitteldorf

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