Direct carbon dioxide capture from air

The present invention concerns a device and process for capturing CO2 from air. The device comprises (a) a membrane at least partly permeable for air comprising a solid state CO2 sorbent; (b) at least one sorption chamber; (c) at least one regeneration chamber; (d) means for transporting the membrane from the sorption chamber to the regeneration chamber and back; (e) an inlet for receiving air located on one end of the membrane and an outlet for discharging air depleted in CO2 located on the other end of the membrane in the sorption chamber, wherein the device is configured to allow air to flow from the inlet to the outlet through the membrane; (f) means for flowing stripping gas through the membrane into the regeneration chamber; (g) at least one outlet for discharging CO2, located in the regeneration chamber; and (h) heating means for heating the regeneration chamber. The device according to the invention provides an efficient and low-cost solution for capturing CO2 directly from air.


» Number: US2022072471A1 (A1)

» Publication Date: 10/03/2022

» Applicant: TNOâ??[NL]

» Inventor: DE NEVE HANSâ??[NL]; SOPPE WILHELMUS JOZEFâ??[NL] (4)

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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement Nº 768737


                   




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