Freeze regeneration of glycol solutions loaded with water

Details Freeze regeneration of glycol solutions loaded with water Freeze regeneration of glycol solutions loaded with water

1976-03-30

1978-03-28

Evans, Joseph E.

Refrigeration

Processes

Fractionally solidifying a constituent and separating the same

55 82, 55 96, 260615R, 260637R, 261153, B01D 904, C07C 2924, C07C 4112

Patent

active

040812570

ABSTRACT:
Aqueous glycol solutions, used for example, in the de-icing of heat exchange surfaces used in defogging systems, are regenerated by freeze crystallization, the ice being separated with relatively little loss of glycol.

REFERENCES:
patent: 2186887 (1940-01-01), Steinbacher
patent: 2252738 (1941-08-01), Stoerer
patent: 2768980 (1956-10-01), Pence
patent: 2787451 (1957-04-01), Lavery
patent: 2887851 (1959-05-01), Toulmin, Jr.
patent: 3128188 (1964-04-01), McIntire
patent: 3148208 (1964-09-01), Siggel et al.
patent: 3158004 (1964-11-01), Klencke
patent: 3349573 (1967-10-01), Rowekamp
patent: 3824767 (1974-07-01), Ford
Curme, "Glycols", (1952), p. 39.

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