Importance

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Abstract

A counter-double-current device having an array of interconnected tube elements, each of the elements having a mixing tube, a light phase decant tube and an intermediate phase decant tube. The light and intermediate phase decant tubes are disposed parallel to the mixing tube with the intermediate phase decant tube positioned between the light phase decant tube and the mixing tube. A first juncture tube joins the mixing tube and light phase decant tube while a second juncture tube joins the light and intermediate phase decant tubes. First and second downspout tubes are sealably mounted within the lower portions of the two decant tubes. The first downspout tube extends into the light phase decant tube from its lower portion to a distance which defines a volume between the inner surface of the light phase decant tube and the outer surface of the first downspout tube equal to the combined volumes of the heavy and intermediate phases while the second downspout tube extends into the intermediate phase decant tube by a distance so as to define a volume equal to the volume of the lower phase. The downspout tube extending into the light phase decant tube is connected to the lower portion of the mixing tube of an adjacent element on one side of the array while the downspout tube which extends into the intermediate phase decant tube is connected to the mixing tube of an adjacent element on the opposite side within the array.

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First Claim