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Method and apparatus for extracting carbon dioxide from air

  • US 7,708,806 B2
  • Filed: 10/02/2007
  • Issued: 05/04/2010
  • Est. Priority Date: 10/02/2006
  • Status: Active Grant
First Claim
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1. 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, wherein the extractor comprises a humidity sensitive ion exchange resin, which is mounted on a moveable fixture built into a wall of the greenhouse.

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