Continuous reactive metal reduction using a salt seal

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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75 89, 75 93E, 266166, 266905, C22B 502

Patent

active

046133666

ABSTRACT:
This is a method for reducing the chlorides of zirconium, hafnium, or titanium. It utilizes a solidified magnesium (or sodium) chloride matrix in which chunks of the product metal are contained as a seal on the bottom of the reduction vessel. A withdrawal mechanism is used in conjunction with a cooling means (e.g. water jacket) to slowly withdraw the product metal chunks in the salt matrix. This invention makes possible the operation of the reduction process as a continuous process.

REFERENCES:
patent: 3977866 (1976-08-01), Othmer
patent: 4487677 (1984-12-01), Murphy
patent: 4508322 (1985-04-01), Kimura et al.
patent: 4518426 (1985-05-01), Murphy

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