Method for magnesium production using tungsten or molybdenum

Details Method for magnesium production using tungsten or molybdenum Method for magnesium production using tungsten or molybdenum

1976-11-08

1978-02-14

Mack, John H.

Chemistry: electrical and wave energy

Processes and products

C25C 504, C25C 304

Patent

active

040737047

ABSTRACT:
A process for the production of metallic magnesium wherein a molten salt bath containing sodium chloride, magnesium chloride, potassium chloride, calcium chloride and magnesium fluoride is electrolytically decomposed with a cathode and an anode and wherein there is added periodically inorganic salts of molybdenum or tungsten, metallic molybdenum or tungsten, or mixtures thereof in sufficient amounts to coat the cathode surface with molybdenum or tungsten and thereby increase the recovery of magnesium.
The advantage of the process is that less sludge is formed and of the sludge that is formed there is less magnesium entrapped therein. A further advantage is that the magnesium is produced with a higher cell efficiency.

REFERENCES:
patent: 1833425 (1931-11-01), Jessup
patent: 3565917 (1971-02-01), Cervenka et al.

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