Production of purified brine

Details Production of purified brine Production of purified brine

1980-08-08

1982-06-22

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

210290, 210726, 210794, 423165, C01F 522, C01F 1118

Patent

active

043362320

ABSTRACT:
A process for the purification of salt brine having magnesium and calcium hardness includes the steps of treating a saturated salt brine containing magnesium and calcium ions with an alkali metal carbonate and an alkali metal hydroxide in a preselected sequence and in amounts in excess of stoichiometric proportions to form firm, readily settleable, filterable floc precipitate particles of insoluble compounds of magnesium and calcium, suspended in the treated brine and passing the resultant suspension to a filtering unit to separate and remove the floc precipitate and to provide a purified salt brine.

REFERENCES:
patent: 3900395 (1975-08-01), Hirs
patent: 4038365 (1977-07-01), Patil et al.
patent: 4048068 (1977-09-01), Hirs
patent: 4102786 (1978-07-01), Okada et al.
patent: 4115219 (1978-09-01), Gancy et al.

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