Column having trays with inclined apertures

Details Column having trays with inclined apertures Column having trays with inclined apertures

B - Operations, Transporting

01

D

165/5

B01D 3/22 (2006.01) B01D 3/38 (2006.01) B01D 19/00 (2006.01) B01J 8/44 (2006.01) C08F 6/24 (2006.01)

Patent

CA 1161747

ABSTRACT A column for removing a volatile component from a liquid by treat- ment of the liquid with a gas in counter-current flow has a series of vertically spaced trays with edges sealed to the wall of the column. Down- comers direct the liquid successively from each tray to the next lower tray and form an inlet and outlet for each tray. The inlets and outlets are hori- zontally spaced and each tray has an array of inclined apertures therein dis- tributed throughout its area including that region of the tray situated beneath its inlet. The inclined apertures are orientated in the same direction from the inlet towards the outlet downcomer and have gas-outlet areas shaped like segments of circles, each in a plane lying at an angle of between 10° and 20° to the perpendicular to the tray.

355691

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