Chemistry: electrical and wave energy – Processes and products
Patent
1975-04-14
1978-02-28
Edmunson, F.C.
Chemistry: electrical and wave energy
Processes and products
204245, 204237, 204243R, 423178, 423497, 423498, C25C 304, C25C 312, C25C 308
Patent
active
040766020
ABSTRACT:
A method of producing magnesium and chlorine including the steps of injecting concentrated magnesium chloride containing brine into a hot gas spray drier wherein most of the water is evaporated to produce cell feed in the form of a powder of high porosity discrete particles of impure MgCl.sub.2, the impure particles being purified by in situ reaction within an electrolytic cell by depositing the particles onto an area of the surface of molten electrolyte whereby a portion of the entrained impurities are vaporized and withdrawn and circulating the electrolyte through the interelectrode space where the remaining impurities are chlorinated by chlorine gas produced at the anode, the circulation being at a rate to entrain most of the magnesium oxide particles in suspension for reaction with chlorine gas generated at the anode element. The molten magnesium produced at the cathode is withdrawn in the usual manner.
REFERENCES:
patent: 1755380 (1930-04-01), Barstow
patent: 1863221 (1932-06-01), Heath
patent: 1900220 (1933-03-01), Barstow
patent: 2951021 (1960-08-01), Di Pietro
patent: 2974093 (1961-03-01), Bauer et al.
patent: 3512928 (1970-05-01), Lyons et al.
patent: 3661738 (1972-05-01), Wheeler et al.
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