Patent ID: 6471919
Filing Date: 2002-10-29
Classification: B01D

Abstract:
An apparatus for removing impurities from effluent waste gas streams, comprising:a) a treatment chamber having an inlet for introducing the effluent waste gas streams and an outlet; b) a spraying device for spraying liquid disposed in said treatment chamber to form a plurality of liquid films, each of which are spaced from each other; c) a plate having at least one solid and continuous surface whereon said liquid is sprayed; and d) a blower for sucking the waste gas stream upwardly through the plurality of spaced liquid films in which a portion of the impurities in the waste gas streams is mixed with the liquid to form a liquid mixture and simultaneously the waste gas stream is humidified, wherein the liquid mixture flows downward and the humidified waste gas is sucked out from the outlet of said treatment chamber.