Method and apparatus for the recovering of solvents in dry clean

Details Method and apparatus for the recovering of solvents in dry clean Method and apparatus for the recovering of solvents in dry clean

1978-07-17

1981-08-04

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 28, 34 54, 34 77, 34 80, 68 18C, F26B 304

Patent

active

042814650

ABSTRACT:
In a process for recovering solvents from the circulating air and exhaust air of a drycleaning machine by drying the circulating air and by fresh air drying with condensation and adsorption, the volume of air stream per unit volume is controlled in accordance with temperature and/or solvent concentration and heating and cooling energy reduced to achieve drying and recovery of the cleaning solvent with relatively low expenditure of energy and time.

REFERENCES:
patent: 2189915 (1940-02-01), Mellor et al.
patent: 4087923 (1978-05-01), Wilt, Jr. et al.
patent: 4154002 (1979-05-01), Moore

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