Freeze concentration apparatus and method

Details Freeze concentration apparatus and method Freeze concentration apparatus and method

1981-03-04

1982-07-27

Yudkoff, Norman

Refrigeration

Separator for solidified constituent of liquid mixture

With heater for liquid mixture container

62542, 62541, F25J 904

Patent

active

043410855

ABSTRACT:
Freeze concentrating an aqueous liquid mixture by feeding an aqueous liquid mixture to a freeze exchanger for indirect cooling by heat exchange to a cold fluid to form ice crystals in the liquid mixture; feeding the liquid mixture containing ice crystals from the freeze exchanger to the lower internal space of a vessel containing said aqueous liquid mixture whereby the ice floats to the top interior of the vessel; removing ice from the top interior of the vessel, washing the ice with water and heating the washed ice to produce potable water; removing aqueous liquid mixture from the vessel and recycling it to the freeze exchanger; and repeating the method in a continuous operation.

REFERENCES:
patent: 3205078 (1965-09-01), Lund
patent: 3488974 (1970-01-01), Lunde et al.
patent: 4046534 (1977-09-01), Maguire, Sr.

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