Foam scrubber and method

Details Foam scrubber and method Foam scrubber and method

1974-09-19

1977-01-18

Lutter, Frank W.

Gas separation

Means within gas stream for conducting concentrate to collector

55 89, 55228, 55270, 55421, 55DIG34, 1371702, B01D 4704

Patent

active

040037240

ABSTRACT:
An improved apparatus and method for separating gaseous pollutants and particles from a gas with a foam layer wherein the apparatus includes means for monitoring the foam layer composition and/or height of the foam layer, dispensing means for dispensing a liquid to said foam layer, and means responsive to said monitoring means for activating said dispensing means to control the dispensing of liquid through the dispensing means. The method comprises the steps of monitoring the pressure drop and/or height of the foam layer and dispensing a liquid to the foam layer, when its composition and/or thickness varies beyond a predetermined point, for a time sufficient to bring the composition and/or level of the foam layer back to said predetermined point.

REFERENCES:
patent: 1921725 (1933-08-01), Boutet
patent: 2119478 (1938-05-01), Whiton, Jr.
patent: 2379338 (1945-06-01), Bingman
patent: 2379396 (1945-06-01), Ziliotto
patent: 2500774 (1950-03-01), Sebald
patent: 3151061 (1964-09-01), Orr
patent: 3167413 (1965-01-01), Kiekens et al.
patent: 3616610 (1971-11-01), Javorsky et al.
patent: 3739795 (1973-06-01), Hyde et al.
patent: 3797204 (1974-03-01), Cavatassi
Chemical Engineer's Handbook, 3rd Edition, J. H. Perry, Editor, 1950, McGraw- Hill Book Company, Inc., pp. 364-366.

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