Thermal reduction process for production of calcium using alumin

Details Thermal reduction process for production of calcium using alumin Thermal reduction process for production of calcium using alumin

1985-05-02

1986-04-15

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 67R, C22B 2610

Patent

active

045825327

ABSTRACT:
Calcium is produced by a thermal reduction process in a reaction-condensation system having a reaction zone and a condensation zone. According to the process, a reducing agent is contacted or reacted in the reaction zone with at least a partially molten slag to produce calcium vapor. The calcium vapor is transported from the reaction zone to the condensation zone and condensed therein.

REFERENCES:
patent: 2448000 (1948-08-01), Kemmer
patent: 2464767 (1949-03-01), Pidgeon et al.
patent: 2867527 (1959-01-01), Andrieux et al.
patent: 4204860 (1980-05-01), Kibby
patent: 4240825 (1980-12-01), Tamas
patent: 4478637 (1984-10-01), Christini et al.

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