Patent ID: 8052845
Filing Date: 2011-11-08
Classification: B01D,Y10T

Abstract:
1. A column comprising at least a pair of portions for the transfer of material disposed in parallel; a vertical dividing wall separating said pair of portions; a liquid collector above said dividing wall for receiving a flow of reflux liquid, said liquid collector having a ring passage for collecting the reflux liquid therein between a minimum level and a maximum level thereof; and a reflux divider for dividing of the reflux liquid for delivery to each of said pair of portions, said reflux divider including a first connection line connected to said ring passage below said minimum level to conduct a first part flow of the reflux liquid therefrom to a first of said pair of portions, an enclosed chamber disposed within said ring passage and having at least one opening communicating with said ring passage for a restricted flow of liquid reflux into said chamber to form a second part flow of the reflux liquid and a second connection line in communication with said chamber to conduct said second part flow of the reflux liquid therefrom to a second of said pair of portions.