Air purification process

Details Air purification process Air purification process

1988-10-13

1990-02-20

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 74, 55 77, 55181, 55208, 55269, 55390, B01D 5312

Patent

active

049023110

ABSTRACT:
The present invention relates to a method and an apparatus for removing and recovering organic substances, primarily solvents, from industrial ventilation air contaminated with such substances. The invention is based on the adsorption of solvent in an adsorbent comprising macroporous polymeric particles upon passage of the air through a movable, so-called fluidized bed (2, 3) of the polymeric particles. These particles are fed continuously through the bed under the influence of the air and are then fed continuously into a desorption column (8), in which the solvent is desorbed from the adsorbent, stripped with the aid of heated air and drawn off to a cooler (14).

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patent: 4239508 (1980-12-01), Rock et al.
patent: 4257783 (1981-03-01), Gutjahr et al.
patent: 4259094 (1981-03-01), Nagai et al.

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