Process for reducing the iron content of CaO-rich slags formed during the desulphurization of crude iron

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United States of America Patent

PATENT NO 4431444
SERIAL NO

06401209

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Abstract

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A process is described and claimed for reducing the iron content of a CaO-rich slag which is formed during the desulphurization of molten crude iron which comprises adding finely-ground fluorspar to the melt, in the ladle, or adding it to the lade prior to adding the crude iron thereto, in an amount such that the slag is not rendered fluid.

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Patent Owner(s)

Patent OwnerAddress
SKW TROSTBERG AG TROSTBERG GERMANY A CORP OFDE
THYSSEN AKTIENGESELLSCHAFT VORM AUGUST THYSSEN-HUTTE DUISBURG GERMANY A CORP OFDE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hammer, Rudolf Dinslaken, DE 17 51
Meichsner, Walter Krefeld, DE 10 63
Rellermeyer, Heinrich Duisburg, DE 4 26

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