Method of concentrating a water-containing glycol

Details Method of concentrating a water-containing glycol Method of concentrating a water-containing glycol

1977-10-31

1980-01-08

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 49, 203 73, 203 80, 203DIG8, 55 32, 159 47R, 568868, C07C 2926

Patent

active

041826590

ABSTRACT:
Water-containing glycol is heated first at atmospheric or superatmospheric pressure to partially remove water and concentrate the glycol and is then heated at subatmospheric pressure to further concentrate the glycol.

REFERENCES:
patent: 2367695 (1945-01-01), Spiselman
patent: 2510548 (1950-06-01), Brunjes
patent: 3370636 (1968-02-01), Francis, Jr. et al.
patent: 3824177 (1974-07-01), Honerkamp et al.
patent: 3841382 (1974-10-01), Gravis et al.
patent: 4010065 (1977-03-01), Alleman

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