SEDL / STP / STP12-EB / STP43867S

Engineering Requirements and Trends for Metals in the Non-Ferrous Roasting, Smelting and Refining Industry

Brown, R. E.
Sales Engineer, Electro Metallurgical Sales Corp., San Francisco, Calif.

Pages: 18    Published: Jan 1932

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Abstract

The processes of thermal metallurgical treatment of metallic ores and concentrates to accomplish the recovery of the metals consist of three general divisions or steps:

1. Roasting of the ores or concentrates.

2. Smelting of the ores or concentrates:

(a) Reduction to matte followed by conversion of the matte to crude metal.

(b) Direct reduction to the crude or refined metal.

3. Refining of the crude metal.