Method and apparatus for extracting carbon dioxide from air
AssigneeKilimanjaro Energy, Inc.
InventorsAllen B. Wright, Klaus S. Lackner, Ursula Ginster
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Abstract
A method and apparatus for extracting CO2 from air comprising an anion exchange material formed in a matrix exposed to a flow of the air, and for delivering that extracted CO2 to controlled environments. The present invention contemplates the extraction of CO2 from air using conventional extraction methods or by using one of the extraction methods disclosed; e.g., humidity swing or electro dialysis. The present invention also provides delivery of the CO2 to greenhouses where increased levels of CO2 will improve conditions for growth. Alternatively, the CO2 is fed to an algae culture.
Claims18
A process for removing carbon dioxide from ambient air, comprising the steps of passing ambient air in contact with a sorbent to absorb carbon dioxide from the air, and delivering the extracted air to the interior of the greenhouse.
An apparatus for adding carbon dioxide to a greenhouse which comprises an extractor for extracting carbon dioxide from ambient air outside of the greenhouse and delivering the extracted carbon dioxide into the greenhouse.
(canceled)
(canceled)
A process for extraction of carbon dioxide from air which comprises providing a first store of a humidity sensitive sorbent,
- passing the air in contact with the sorbent under a first H2O partial pressure whereupon carbon dioxide is absorbed on the sorbent, and
- raising the H2O partial pressure whereupon carbon dioxide is exhaled by the sorbent.
18-46. (canceled)
Dependencies are inferred from the claim text.