Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1979-09-21
1982-01-26
Prunner, Kathleen J.
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55223, 55227, 55228, 55229, 55233, 55421, 210519, 210534, 210539, 210540, 261 8, 261 22, 261 36R, 261111, 261116, 261DIG54, B01D 4712
Patent
active
043126464
ABSTRACT:
A gas scrubbing tower is described which has a top region, a sump region and at least two washing stages between these regions. The tower comprises gas entry means between the the sump region and the lowermost of the washing stages; gas exit means in the top region; a first washing stage, in the direction of gas flow through the tower, constituted by a layer of packing elements resting on supporting means in a cross-sectional plane; a first circulating line for wash liquid from the sump region to the layer of packing elements; a second, packing-free washing stage above the first washing stage; a second circulating line for conducting wash liquid through the second washing stage; a sludge separator, and conduit means for introducing water from outside the tower into a washing stage or into the sludge separator of the tower.
A process for operating the scrubbing tower is also described.
REFERENCES:
patent: 1169766 (1916-02-01), Brassert
patent: 1182543 (1916-05-01), Ferguson
patent: 2006295 (1935-06-01), Chewning
patent: 2014044 (1935-09-01), Haswell
patent: 2088691 (1937-08-01), Dill
patent: 2100813 (1937-11-01), Morgan
patent: 2874850 (1959-02-01), Unthank
patent: 3525197 (1970-08-01), Sheehan
patent: 4001116 (1977-01-01), Sckukogla
patent: 4157250 (1979-06-01), Regehr et al.
Fattinger Volker
Schneider Jurg
Ciba-Geigy Corporation
Falber Harry
Prunner Kathleen J.
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