Production of purified brine

Details Production of purified brine Production of purified brine

1982-02-18

1984-05-15

Adee, John

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Proportionate feed means

210142, 210199, 210202, 210259, 210274, 210290, B01D 2101, C02B 120

Patent

active

044486820

ABSTRACT:
An apparatus for the purification of salt brine having magnesium and calcium hardness includes means for 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: 3393149 (1968-07-01), Conley et al.
patent: 3759387 (1973-09-01), Drayton, Jr.
patent: 3876546 (1975-04-01), Hsiung et al.
patent: 3956128 (1976-05-01), Turner
patent: 4048068 (1977-09-01), Hirs
patent: 4367145 (1983-01-01), Simpson et al.

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