Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1976-05-26
1983-12-20
Spitzer, Robert H.
Gas separation
Means within gas stream for conducting concentrate to collector
55 89, 55 93, 55233, 210150, 210617, 210756, B01D 5318, C02F 304
Patent
active
044215347
ABSTRACT:
A tower of contact media, having thereon bio-slimes kept wet and active by a recirculating nutrient liquid, and through which gases, such as foul air of a sewage treatment plant, pass for odor removal by biochemical action aided by liquid trickling downward through the media, and which may be conventional in many respects, is provided with:
(a) A gas recirculation system, i.e., means for drawing off gas which has passed once upwardly through the media and reintroducing it for passage through the media with raw incoming gases so that on the average the gases have more than one passage through the media,
(b) Means for distributing on a layer of the media higher than the usual recirculation of liquid a solution such as hypochlorite for removal of residual odors left or caused by the recirculating liquid, and
(c) Successive sections of media of differing coarseness.
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Robertson Louis
Spitzer Robert H.
Welles Products Corporation
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