Semi-continuous process for alternately producing a sterilizing

Details Semi-continuous process for alternately producing a sterilizing Semi-continuous process for alternately producing a sterilizing

1974-01-25

1976-12-28

Lutter, Frank W.

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 18, 203 93, 203 96, 203 97, 424343, A61L 904

Patent

active

039999432

ABSTRACT:
The method of the invention consists in conveying a concentrated aqueous solution of a substance less volatile than water and miscible with the latter into the upper portion of a liquid-vapor exchange column operating at atmospheric pressure and supplied with saturated water vapor at its lower portion, in collecting a dilute aqueous solution of said substance in the lower portion of said column and vapor rich in said substance and sparingly rich in water, at a temperature comprised between about 110.degree. and 150.degree. C, in the upper portion of the said column, said column also alternately functioning to dehydrate, and thereby regenerate said dilute aqueous solution to thereby produce said concentrated aqueous solution.

REFERENCES:
patent: 1881718 (1932-10-01), Lawrie
patent: 2960447 (1960-11-01), Anderson et al.
patent: 3493323 (1970-02-01), Demuth

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