Thermal reduction process for production of magnesium using alum

Details Thermal reduction process for production of magnesium using alum Thermal reduction process for production of magnesium using alum

1983-03-10

1985-02-12

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 10A, C22B 2622

Patent

active

044989270

ABSTRACT:
Magnesium is produced by a thermal reduction process in a reaction-condensation system having a reaction zone and a condensation zone. According to this process, a reducing agent containing a mixture of ferrosilicon and at least 25 wt. % aluminum skim is contacted or reacted in the reaction zone with a calcium-silicon-aluminum-magnesium oxide slag to produce magnesium vapor. The magnesium vapor is transported from the reaction zone to the condensation zone and condensed therein.

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