Agent and process for desulfurizing molten metals
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United States of America Patent
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Jan 29, 1991
Grant Date -
N/A
app pub date -
Feb 27, 1990
filing date -
Mar 13, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An agent for desulfurizing molten metals, in particular molten iron, comprises a CaC.sub.2 /CaO crystal blend with a maximum of 62% by weight of CaC.sub.2, gas-evolving substances and 0 to 44% by weight of metallic magnesium as the components. For desulfurizing molten metals, in particular molten iron, using this agent, either the mixture comprising both the CaC.sub.2 /CaO crystal blend and gas-evolving substances, and the magnesium, are fluidized separately and the two fluidized products are combined immediately before they enter the melt, or the CaC.sub.2 /CaO crystal blend, gas-evolving substances and magnesium components are fluidized together and the fluidized product is introduced into the melt.
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