Purification of alkali metal chloride brines

Details Purification of alkali metal chloride brines Purification of alkali metal chloride brines

1980-09-12

1981-12-01

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

210666, 210725, 210729, 423499, 562590, 562593, 562597, C01D 304

Patent

active

043036244

ABSTRACT:
A method of purifying alkali metal chloride brine containing calcium ion impurities which comprises adding to the brine a proportion of an alkali metal carboxylate compound to form an insoluble calcium carboxylate precipitate, separating the insoluble carboxylate precipitate from the brine to purify the brine and recovering the resulting purified brine. The alkali metal carboxylate compound has the formula: ##STR1## wherein Me is an alkali metal and n is an integer from 0 to 6.

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patent: 4078978 (1978-03-01), Zirngiebl
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patent: 4176022 (1979-11-01), Darlington
patent: 4183900 (1980-01-01), Lee et al.
patent: 4190505 (1980-02-01), Ogawa et al.
patent: 4207152 (1980-06-01), Kadija et al.

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