CONTACT AND SEPARATION COLUMN AND TRAY

摘要

A contact and separation column comprising a column wall encasing a stack of one or more contact and separation cells, wherein each cell comprises: • - a tray (4) with a number of gas flow openings (6) opening into one or more contact and separation units positioned on an upper side of the tray (4), wherein each contact and separation unit comprises an upstream contact zone (8) with liquid inlets (12), and one or more downstream separation zones (10) provided with a swirler and a top end with a gas outlet; • - a downcomer (16) defining a liquid discharge; and • - a liquid supply (17) for supplying liquid to the contact and separation cell, wherein the wall of one or more separation zones (10) have a plurality of discharge openings (18) extending through the wall to allow fluid to pass through the wall from within the separation zone (10), and process for treating a gas in such a column.