Apparatus for exchanging material between a gas and a liquid

Details Apparatus for exchanging material between a gas and a liquid Apparatus for exchanging material between a gas and a liquid

B - Operations, Transporting

01

D

165/5

B01D 3/22 (2006.01)

Patent

CA 1199262

ABSTRACT OF THE DISCLOSURE The present invention relates to a static contact appara- tus which makes it possible to reduce the otherwise required large dimensions of the material exchange columns at a low solu- bility of the gas in the liquid and at slow kinetics of the reac- tions in the liquid phase. According to the present invention this is attained by means of a suitable guidance of the liquid stream and by means of a thus attainable extension of the resi- dence time of the liquid. According to the invention the appara- tus comprises a plurality of perforated trays superposed in a pressure vessel comprising connecting ducts for passing the liquid to a next lower tray, the path of the liquid at the end of said connecting ducts being arranged to be directed upwardly to prevent an undesired inflow of gas at said end of the connecting ducts, said connecting ducts being disposed in the region of the axis of said pressure vessel.

406335

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