Agent and process for desulfurizing molten metals

Details Agent and process for desulfurizing molten metals Agent and process for desulfurizing molten metals

C - Chemistry, Metallurgy

21

C

53/364, 53/99

C21C 1/02 (2006.01) C21C 7/064 (2006.01) C22B 9/10 (2006.01)

Patent

CA 2011380

HOE 89/H 010 Agent and process for desulfurizing molten metals Abstract An agent for desulfurizing molten metals, in particular molten iron, comprises a CaC2/CaO crystal blend with a maximum of 62% by weight of CaC2, 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 CaC2/CaO crystal blend and gas-evolving substan- ces, and the magnesium, are fluidized separately and the two fluidized products are combined immediately before they enter the melt, or the CaC2/CaO crystal blend, gas- evolving substances and magnesium components are fluidiz- ed together and the fluidized product is introduced into the melt.

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