Thermal processes for the production of magnesium

Details Thermal processes for the production of magnesium Thermal processes for the production of magnesium

1978-06-14

1980-02-26

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 67R, 75 67A, 75 24, C22B 400

Patent

active

041904346

ABSTRACT:
This invention relates to the thermal production of magnesium, using, as source of magnesium oxide, a residual slag from the manufacture of certain carbon-containing chrome irons and, as reducing agent, a ferro-silico-aluminum for carrying out the MAGNETHERM process. Magnesium is obtained with a high degree of purity and in excellent yields, with the recovery of a residual alloy containing chromium and silicon, and the production capacity of a given furnace is increased by about 16% compared with that obtained when using calcined dolomite.

REFERENCES:
patent: 2971833 (1961-02-01), Artru et al.
patent: 3658509 (1972-04-01), Avery
patent: 3681053 (1972-08-01), Avery
patent: 3698888 (1972-10-01), Avery
patent: 3994717 (1976-11-01), Avery
patent: 4033758 (1977-07-01), Johnston et al.
patent: 4033759 (1977-07-01), Johnston et al.
patent: 4066445 (1978-01-01), Johnston et al.

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