Abstract: The present invention relates to a reactor system for extracting iodine from an aqueous brine, including: a water heater (2); a tank for storing an oxidizing agent (6); means for carrying out iodine oxidation (8); a desorber (5); an absorption column (15); a crystallizer (19); an iodine melting node (21); and a sublimator (22).

Abstract: The present invention relates to a reactor system for extracting iodine from an aqueous brine, including: a water heater (2); a tank for storing an oxidizing agent (6); means for carrying out iodine oxidation (8); a desorber (5); an absorption column (15); a crystallizer (19); an iodine melting node (21); and a sublimator (22).

Abstract: 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.

Abstract: The present invention relates to a vertical column apparatus (1) for mass exchange processes in the chemical, oil or gas industry and in particular, for the production of iodine from formation water of oil and gas fields, comprising: a gas outlet (2) at the top and a liquid outlet (3) at the bottom of the column (1); a packed section (4) between the top and the bottom of the column (1), wherein the column (1) has a liquid inlet (5) above the packed section (4) and a gas inlet (6) below the packed section (4), wherein an upper portion (7) of the column (1) has a larger diameter (du) compared to a diameter (dp) of the packed section (4).

Abstract: Vertical desublimation apparatus for crystalline iodine production, comprising: a gas intake, through which vapor can be fed into the apparatus, and a gas exhaust, through which residual air can be discharged; at least one downstream duct comprising a downstream duct inlet and a downstream duct outlet, wherein the intake is fluidically connected to the downstream duct inlet; at least one upstream duct comprising an upstream duct inlet and an upstream duct outlet, wherein the exhaust is fluidically connected to the upstream duct outlet; at least one downstream condenser pipe arranged adjacent to the downstream duct and at least one upstream condenser pipe arranged adjacent to the upstream duct, wherein a cooling medium can be fed through the condenser pipes; a collecting receptacle for collecting crystallized iodine and liquid water arranged at the bottom of the apparatus, fluidically connecting the downstream duct outlet and the upstream duct inlet, the collecting receptacle having a bottom outlet.

Abstract: Packing element for heat and/or mass transfer, including a plurality of circumferentially spaced panel shaped wall members, each wall member extending radially outward from an inner end extending along a central axis of the packing element to an outer edge opposite to the inner end and at least part of the outer edge extending along a surface of revolution having the central axis as an axis of revolution.

Abstract: The present invention relates to a vertical column apparatus (1) for mass exchange processes in the chemical, oil or gas industry and in particular, for the production of iodine from formation water of oil and gas fields, comprising: a gas outlet (2) at the top and a liquid outlet (3) at the bottom of the column (1); a packed section (4) between the top and the bottom of the column (1), wherein the column (1) has a liquid inlet (5) above the packed section (4) and a gas inlet (6) below the packed section (4), wherein an upper portion (7) of the column (1) has a larger diameter (du) compared to a diameter (dp) of the packed section (4).

Abstract: Packing element for heat and/or mass transfer, comprising a plurality of circumferentially spaced panel shaped wall members, each wall member extending radially outward from an inner end extending along a central axis of the packing element to an outer edge opposite to the inner end and at least part of the outer edge extending along a surface of revolution having the central axis as an axis of revolution.

Abstract: Column for carrying out mass exchange processes, in particular desorption and absorption processes, said column comprising: a vertical cylindrical container comprising a first cylindrical container section having a first height hi and a first diameter d1, a second cylindrical container section having a second height h2 and a second diameter d2, a third cylindrical container section having a third height h3 and a third diameter d3 and a fourth cylindrical container section having a fourth height h4 and a fourth diameter d4 from bottom to top in a longitudinal direction of the container, a gas, in particular air, 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 container section and the third container section, a liquid inlet in the wall of the third container section, a liquid distributor that is placed in the third container section and is in fluid connection with the liquid inlet, and a gas mixture, in particular

Abstract: Vertical desublimation apparatus for crystalline iodine production, comprising: a gas intake, through which vapor can be fed into the apparatus, and a gas exhaust, through which residual air can be discharged; at least one downstream duct comprising a downstream duct inlet and a downstream duct outlet, wherein the intake is fluidically connected to the downstream duct inlet; at least one upstream duct comprising an upstream duct inlet and an upstream duct outlet, wherein the exhaust is fluidically connected to the upstream duct outlet; at least one downstream condenser pipe arranged adjacent to the downstream duct and at least one upstream condenser pipe arranged adjacent to the upstream duct, wherein a cooling medium can be fed through the condenser pipes; a collecting receptacle for collecting crystallized iodine and liquid water arranged at the bottom of the apparatus, fluidically connecting the downstream duct outlet and the upstream duct inlet, the collecting receptacle having a bottom outlet.

Abstract: The present invention relates to a method for extracting iodine from an aqueous brine, the method comprising the steps: Providing an aqueous brine containing iodide ions; Heating the aqueous brine containing iodide ions; Adding an acid to the aqueous brine to arrive at a pH value from 2 to 4; Adding an oxidizing agent to the aqueous brine; Desorbing iodine by means of an airflow; Adding a sorbent for chemisorbing the iodine; Crystallizing the iodine; Purifying the iodine under a layer of sulfuric acid; Sublimation of the iodine.

Abstract: The present invention relates to a method for extracting iodine from an aqueous solution, the method comprising the steps: Providing an aqueous solution containing iodide ions; Heating the aqueous solution containing iodide ions; Adding an acid to the aqueous solution to arrive at a pH from 1.5 to 2.5; Adding an oxidizing agent to the aqueous solution to arrive at a Eh from 570 to 590 mV; Desorbing iodine by means of an airflow.