Process for refining non-ferrous matte

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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75 77, 75 78, C22B 1506

Patent

active

041712161

ABSTRACT:
A process for refining molten non-ferrous matte by injecting an oxidizing gas into the matte through at least one multiple, concentric tube tuyere submerged beneath the surface of the matte. The tuyere is cooled by injecting liquid sulfur through the outermost tube of the tuyere.

REFERENCES:
patent: 3817744 (1974-06-01), Leroy
patent: 4073646 (1978-02-01), Kryczum

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