Precipitation and separation of inorganic species from aqueous s

Details Precipitation and separation of inorganic species from aqueous s Precipitation and separation of inorganic species from aqueous s

1995-08-01

1996-12-24

McCarthy, Neil

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210702, 210911, 210912, C02F 158, C02F 162

Patent

active

055870880

ABSTRACT:
A process for the precipitation and separation of inorganic species form aqueous solutions. The method comprises the step of adding a miscible organic solvent to inorganic-aqueous solution so that a solid precipitate from the aqueous solution is formed. The resultant solid precipitate is separated from the organic-water mixture. After separating the solid precipitate, the miscible organic solvent is removed and recovered from the organic-water mixture by applying vacuum or other means of recovery. The separated miscible organic solvent can then be condensed and returned to the process. The water is stripped of traces of miscible organic solvent and removed from the system as product water.

REFERENCES:
patent: 2402668 (1946-06-01), Roller
patent: 3231340 (1966-01-01), Gaska et al.
patent: 3279897 (1966-10-01), Goodenough et al.
patent: 3359076 (1967-12-01), Gaska et al.
patent: 3437451 (1969-04-01), Every et al.

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