Process for regeneration and reuse of steelmaking slag

Details Process for regeneration and reuse of steelmaking slag Process for regeneration and reuse of steelmaking slag

1975-09-26

1977-02-22

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 24, C21B 304

Patent

active

040090248

ABSTRACT:
A process for the regeneration of slag involves treating the slag after the steel has been removed from the steelmaking heat. Oxygen and a fluid hydrocarbon fuel are lanced into the molten slag to reduce metal oxides in the slag to their metallic state and to purify the slag. After the treatment, the metal constituents are removed from the slag treating vessel and the molten slag can be used for another steel heat.

REFERENCES:
patent: 282118 (1883-07-01), Reese
patent: 1803417 (1931-05-01), Walton
patent: 2261516 (1941-11-01), Franchot
patent: 2467039 (1949-04-01), Kerschbaum et al.
patent: 2879158 (1959-03-01), Nowacki et al.
patent: 3891428 (1975-06-01), Yordanov

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