Dehydration of magnesium chloride

Details Dehydration of magnesium chloride Dehydration of magnesium chloride

1975-07-14

1976-06-08

Stern, Edward

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

423158, C01F 534, C01F 532, C01F 530

Patent

active

039624080

ABSTRACT:
A method for dehydrating magnesium chloride hydrates or brines by complexing with amine hydrochlorides is described. Magnesium chloride hydrate or brine is reacted with an amine hydrochloride to form a complex which is then heated to first drive off water and then at a more elevated temperature to decompose the anhydrous complex into anhydrous magnesium chloride and amine hydrochloride. Any magnesium oxides present in the starting material is converted to the chloride by reaction with the HCl present.

REFERENCES:
patent: 1389546 (1921-08-01), Dow
patent: 1557660 (1925-10-01), Cottringer et al.
patent: 1661894 (1928-03-01), Griessbach
patent: 3241915 (1966-03-01), Moolenaar
patent: 3471250 (1969-10-01), Langer

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