Nupro Corporation

Nuflux, LLC

Francis L Kemeny

David I Walker

Jeremy A T Jones

William W West

A slag composition containing steelmaking slag and from about 0.5 to about 10 weight percent of reducing agent. The steelmaking slag contains from about 25 to about 55 weight percent of calcium oxide, from about 10 to about 50 weight percent of ferrous oxide, from about 5 to about 20 weight percent of magnesium oxide, from about 5 to about 20 weight percent of silicon oxide, and from about 0.5 to about 8 weight percent of manganese oxide. The reducing agent contains both calcium carbide and elemental aluminum. From about 5 to about 80 weight percent of the reducing agent is comprised of calcium carbide, and from about 10 to about 50 weight percent of such reducing agent is comprised of elemental aluminum.

Composition for treating steel making slags

A process for stirring molten steel in a container. In this process, argon gas is introduced into the container at a flow rate of from about 0.005 to about 0.2 cubic feet of argon per ton of molten steel per minute, the extent to which said container is caused to vibrate is measured, analog signals are produced corresponding to the rate of flow of argon gas into said container, the analog signals are sampled at a rate of at least 800 times per second, the analog signals are converted to digital signals, the digital signals are transformed by subjecting them to fast Fourier transformation, and the transformed digital signals are evaluated.

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Lewiston, NY, United States of America

Francis L Kemeny