Gas-liquid contact device

Claim 1

A gas scrubber for transferring a component from an upward moving gas stream, comprising a contact tower, a. a lower gas inlet in said tower, b. an upper gas outlet in said tower, c. a fan means located at said inlet for introducing the gas under pressure to said tower, d. a plurality of horizontal scrubbing stages located above the gas inlet including at least a lowermost stage and an upper stage, at least one stage including a plate formed of a plurality of vertical bundled capillary tubes having inside diameters of 0.1 to 0.3 mm., said tubes having opposite ends which lie in the upper and lower surface of said plate, e. a plurality of liquid storage tanks having different fluid levels in communication with each other and located below said lowermost stage, f. weir means separating said tanks from one another and so positioned as to be the only means by which liquid is transferred from one tank to a tank with a lower liquid level, g. means for continuously circulating the liquid between said tank of higher fluid level and said upper stage, and means for continuously circulating the liquid between said tank of lower liquid level and said lowermost stage.