Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Alkaline earth metal
Patent
1979-03-21
1981-02-03
Vertiz, O. R.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Alkaline earth metal
23293R, 203 12, 423498, C01F 534
Patent
active
042488389
ABSTRACT:
This invention outlines a process to beneficiate carnallite ores in such a way as to obtain anhydrous MgCl.sub.2 of sufficient purity to be used as feed for an electrolysis cell producing magnesium metal. Commercially acceptable potassium chloride as also recovered. The organic solvents and the anhydrous ammonia used to obtain the beneficiation of these carnallite materials are recovered for recycle in the process.
REFERENCES:
patent: 3355212 (1967-11-01), Day
patent: 3642454 (1972-02-01), Nylander
patent: 3966888 (1976-06-01), Braithwaite et al.
patent: 3983224 (1976-09-01), Allain et al.
Brown et al., "Drying Liquid Hydrocarbons Via Fractional Distillation", Chemical Engineering Progress, (vol. 66, No. 8), Aug. 1970, pp. 54-60.
Allain Ronald J.
Braithwaite David G.
Maniscalco Joseph P.
Langel Wayne A.
Miller Robert A.
Nalco Chemical Company
Premo John G.
Vertiz O. R.
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