Desulfurizing mixture for metal melts, process for making it, and process for desulfurizing liquid metal therewith
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United States of America Patent
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Aug 18, 1987
Grant Date -
N/A
app pub date -
Sep 19, 1986
filing date -
Oct 3, 1985
priority date (Note) -
Expired
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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.
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