Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1975-02-26
1977-05-03
Adee, John
Gas separation
Means within gas stream for conducting concentrate to collector
55 59, 55 74, B01D 5304
Patent
active
040212114
ABSTRACT:
A process and apparatus for separation of solvents from an air stream laden with solvent vapors by adsorption using active carbon followed by regeneration of the carbon by desorption by steam using a plurality of active carbon chambers. The sequence of charging and regeneration of the active carbon is controlled automatically in dependence upon the concentration of solvent vapors in the air stream. During the change over from charging to regeneration the active carbon is first subjected to desorption by steaming with a large volume of steam and then, when steam breaks through on the outlet side of the carbon the volume of steam is reduced for the purpose of drying the carbon. The change over is effected by a measuring device arranged on the outlet side of the carbon chamber responsive to a pre-determined threshold concentration of solvent vapors in the outgoing stream.
REFERENCES:
patent: 1453215 (1923-04-01), Voress et al.
patent: 2211162 (1940-08-01), Ray et al.
patent: 3162513 (1964-12-01), Fourroux
patent: 3584441 (1971-06-01), Strimling
patent: 3883325 (1975-05-01), Fuhring
patent: 3917931 (1975-11-01), Sweeney
Schumacher Martin
Turek Klaus
Zimmermann Richard
Adee John
Cohen Jerry
Hieken Charles
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