Reduction of metal halides

Details Reduction of metal halides Reduction of metal halides

1974-09-06

1976-06-29

Padgett, Benjamin R.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 845, 266148, 266166, C22B 3414, C21C 700

Patent

active

039664600

ABSTRACT:
A process for producing zirconium or hafnium metals by the reduction of their tetrachlorides with an excess of molten magnesium is provided with increased reactor capacity, increased yield per run, and improved economy by virtue of withdrawal of magnesium chloride as formed during the reaction, which permits subsequent separation and recovery of excess magnesium from the product by a simple distillation and in a form suitable for direct utilization in a second or subsequent reduction. Apparatus is provided which accommodates both the reduction process and the distillation in convenient fashion.

REFERENCES:
patent: 2787539 (1957-04-01), Conklin
patent: 3692294 (1972-09-01), Ishimatsu
patent: 3847596 (1974-11-01), Holland

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