COLUMN FOR CARRYING OUT MASS EXCHANGE PROCESSES, IN PARTICULAR DESORPTION AND ABSORPTION PROCESSES, MASS EXCHANGE APPARATUS WITH THE SAME AND METHOD FOR EXTRACTING IODINE FROM DRILLING AND/OR FORMATION WATER OF OIL OR GAS FIELDS BY AIR

摘要

Method for extracting iodine from water, using a column including a vertical cylindrical container including a first cylindrical container section having a first height and a first diameter, a second cylindrical container section having a second height and a second diameter, a third cylindrical container section having a third height and a third diameter and a fourth cylindrical container section having a fourth height and a fourth diameter, from bottom to top in longitudinal direction of the container, a gas inlet in the wall of the first container section and a liquid outlet in the first container section, a polyethylene packing in each of the second and third container sections, a liquid inlet in the wall of the third container section, a liquid distributor in the third container section and in fluid connection with the liquid inlet, and a gas mixture outlet in the fourth container section.