Process for producing chromium containing molten iron

Details Process for producing chromium containing molten iron Process for producing chromium containing molten iron

1989-02-23

1990-04-24

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75540, C21C 700

Patent

active

049197134

ABSTRACT:
A process of production of chromium containing molten iron generally comprises two steps. In a first step, top and bottom-blown reduction for reducing chromium is performed with charging carbon containing material and slag forming agent from the top of a converter for melting stainless scrap and for rising temperature of molten iron bath. In a second step which is performed subsequently to the first step, top and bottom-blown injection with charging chromium oxide and carbon from the top of the converter for reduction of chromium.

REFERENCES:
patent: 3854932 (1974-12-01), Bishop
patent: 4178173 (1979-12-01), Gorges
patent: 4410359 (1983-10-01), Bishop
patent: 4474605 (1984-10-01), Masuda

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