Method for drying water-containing substances

Details Method for drying water-containing substances Method for drying water-containing substances

1979-08-10

1981-02-24

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 36, 34 80, F26B 504

Patent

active

042519233

ABSTRACT:
A liquid food, a medicine or a natural food to be dried is subjected to vacuum evaporation and drying with a dry gas simultaneously or alternately, and by this drying method, the substance is effectively dried without freezing of the substance. A gas containing volatile components, which is discharged from the drying step, is introduced into an absorption layer and is regenerated to a drying gas while the volatile components of the substance, such as aroma, are recovered in the form of a liquid. In this drying method, the drying process is carried out entirely in a closed circuit system.

REFERENCES:
patent: 1866346 (1932-07-01), Clark
patent: 4063367 (1977-12-01), Talalay

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