Method and apparatus for complex continuous processing of polyme

Details Method and apparatus for complex continuous processing of polyme Method and apparatus for complex continuous processing of polyme

1976-12-16

1979-02-27

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 65R, C22B 404

Patent

active

041417216

ABSTRACT:
A method for processing complex metallic materials, such as, copper-zinc or copper-lead-zinc concentrates and also slag-containing zinc and lead, by melting these materials in an atmosphere of gas containing free oxygen, and reducing the resulting melt by means of a gaseous plasma jet formed, for instance, by nitrogen. An apparatus includes one or several plasmatrons whose nozzles are immersed in the melt at an angle to its surface for agitation of said melt by the plasma jet and for reduction of the metal oxides.

REFERENCES:
patent: 3475158 (1969-10-01), Neuenschwander
patent: 3997333 (1976-12-01), Fey
Newton, "Extractive Metallurgy," pp. 285, 295, (1967).

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