Jones & Laughlin Steel Corporation

Robert G Petrushka

Peter J Koros

Richard G Kerlin

Henry T Kossler

A process for desulfurizing molten steel which includes the formation of a synthetic slag layer, the formation of a cover which occludes the ambient air, and the simultaneous injection of lime and a reactant agent which vaporizes within the molten steel.

Process for desulfurizing steel

Method and apparatus for dispensing a fluidized stream of particulate material, particularly a blended mixture of particulate materials which are useful in the desulfurization of molten ferrous metals. Control of the flow rates of the particulate materials are individually and independently controlled and without reliance upon varying the top pressures within the dispenser vessels containing the separate particulate materials.

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Parma, OH, United States of America

Robert G Petrushka