METHOD FOR SEPARATING CONDENSABLE SUBSTANCES FROM GASES OR GAS MIXTURES
1. Method for separating a condensable substance from gases or gas mixtures with the use of a porous material, wherein while desorption/adsorption steps are performed cyclically only a portion of the adsorbed substance is separated, the condensation of which is realized by capillary condensation in...
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Zusammenfassung: | 1. Method for separating a condensable substance from gases or gas mixtures with the use of a porous material, wherein while desorption/adsorption steps are performed cyclically only a portion of the adsorbed substance is separated, the condensation of which is realized by capillary condensation in adsorbent pores. 2. Method according to claim 1, wherein the porous material has micropores and/or mesopores. 3. Method according to any one of claims 1, 2, wherein the porous material is a hydrophilic or a hydrophobic material. 4. Method according to any one of claims 1-3, wherein the porous material comprises granulates, pellets, or packing bodies of defined structure. 5. Method according to any one of claims 1-4, wherein capillary condensation and subsequent regeneration occur cyclically at night, or capillary condensation occurs at night and regeneration by day. 6. Method according to any one of claims 1-5, wherein for separating water from atmospheric air, in a first phase a current of cool, moist air from the atmosphere is conducted through a pack with microporous or mesoporous material in order to transfer the water moisture contained in the air to the material by means of capillary condensation, that in a second phase an air current is warmed by an air heater by means of in particular previously stored solar energy or wind energy or by directly generated solar or wind energy and passed through the pack filled with the material in order to transfer the water vapor bound in the material to the air current, and that finally the air current thus saturated with water vapor is passed through a condenser and the water vapor in the air is condensed out. 7. Method according to any one of claims 1-6, wherein the porous material is electrically conductive or has electric conductors, in particular, a grid of electric conductors. 8. Method according to claim 7, wherein the regeneration of the condensed substance from the porous material results from electric heating occurring in the porous material. 9. Method according to any one of claims 1-8, wherein the regeneration of the condensed substance from the porous material occurs by heating one or both by means of microwaves. 10. Method according to any one of claims 1-9, wherein approximately 60% of the porous material exhibits pore radii between approximately 40 and 200 angstroms, and that the remaining porous material exhibits different pore radii, but preferably between approximately 4 and 500 angstroms. 11. Method |
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