Method for recovering fresh water from brine

Details Method for recovering fresh water from brine Method for recovering fresh water from brine

1973-04-26

1977-09-06

Lutter, Frank W.

Refrigeration

Processes

Fractionally solidifying a constituent and separating the same

62542, B01D 904

Patent

active

040465349

ABSTRACT:
A process is disclosed for recovering fresh water from brine which includes introducing brine, which has been inoculated with a predetermined number of ice nuclei and is at about its freezing temperature, into an elongated crystal growth zone which is supplied with refrigerant along the brine flow path at a graduated rate such that more refrigerant is supplied toward the outlet of the crystal growth zone than near the inlet. Ice crystals are separated from the resulting brine-ice slurry, and the ice crystals are washed with fresh water before being melted to recover fresh water.

REFERENCES:
patent: 2986012 (1961-05-01), Toulmin
patent: 3049889 (1962-08-01), Carfagno
patent: 3137554 (1964-06-01), Gilliland et al.
patent: 3167401 (1965-01-01), Herman
patent: 3250081 (1966-05-01), Othmer
patent: 3283522 (1966-11-01), Ganiaris
patent: 3285022 (1966-11-01), Pike
patent: 3525230 (1970-08-01), Smith
patent: 3662562 (1972-05-01), Wiegandt
patent: 3803860 (1974-04-01), Nagashima et al.

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