Desulfurizing mixture for metal melts, process for making it, an

Details Desulfurizing mixture for metal melts, process for making it, an Desulfurizing mixture for metal melts, process for making it, an

1986-09-19

1987-08-18

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, 75257, C21C 702

Patent

active

046875123

ABSTRACT:
Mixture for desulfurizing metal melts based on calcium carbide, calcium oxide, alkaline earth metal carbonates, aluminum oxide, chemically unbonded carbon and alkali metal carbonates, if any. The desulfurizing mixture contains 0.3-4.5 wgt % calcium fluoride as an additional constituent and is produced by grinding the individual constituents jointly in a mill over a period of 3-30 minutes.

REFERENCES:
patent: 4263043 (1981-04-01), Haida
patent: 4274869 (1981-06-01), Kristiansen
patent: 4391633 (1983-07-01), Yamauchi
patent: 4541867 (1985-09-01), Neelameggham

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