Compressed air dryer

Details Compressed air dryer Compressed air dryer

1976-07-16

1977-10-25

Wyse, Thomas G.

Gas separation

Means within gas stream for conducting concentrate to collector

55 48, 55 51, 55 89, 55316, B01D 5314

Patent

active

040554031

ABSTRACT:
A compressed gas dryer and a method of drying compressed gas, particularly air, which method comprises: intimately contacting a high-pressure, wet, compressed gas stream having a high relative humidity with a hygroscopic liquid absorbent miscible with the water to be removed, and separating the liquid absorbent and compressed gas to provide a wet liquid-absorbent mixture containing the water removed from the gas and a dry compressed gas stream; reducing the liquid-absorbent mixture to a lower pressure than the high pressure of the wet compressed gas stream; intimately contacting the liquid-absorbent mixture with a portion of the dry compressed gas stream at the lower pressure and separating the liquid absorbent from the gas stream to provide a dry liquid absorbent and a lower-pressure gas stream containing the water removed from the liquid-absorbent mixture; recycling the dry liquid absorbent for use in the contacting of the wet compressed gas stream; removing the wet lower pressure gas stream at the lower pressure; and purging the wet lower-pressure gas stream to the atmosphere.

REFERENCES:
patent: 2859260 (1958-11-01), Stiles
patent: 3105748 (1963-10-01), Stahl
patent: 3182434 (1965-05-01), Fryar
patent: 3195292 (1965-07-01), Skarstrom
patent: 3464186 (1969-09-01), Hankison et al.
patent: 3616598 (1971-11-01), Foral, Jr.
patent: 3767054 (1973-10-01), Farrow et al.
patent: 3841382 (1974-10-01), Gravis, et al.
patent: 3975172 (1976-08-01), Ranke

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