Nano-structure supported solid regenerative polyamine and...

B - Operations – Transporting – 01 – J

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B01J 20/32 (2006.01) B01D 53/02 (2006.01) B01D 53/62 (2006.01) C07C 29/149 (2006.01) C25B 3/04 (2006.01)

Patent

CA 2659490

The invention relates to regenerative, supported amine sorbents that includes an amine or an amine/polyol composition deposited on a nano-structured support such as nanosilica. The sorbent provides structural integrity, as well as high selectivity and increased capacity for efficiently capturing carbon dioxide from gas mixtures, including the air. The sorbent is regenerative, and can be used through multiple operations of absorption-desorption cycles.

La présente invention concerne des sorbants amine supportés et régénérables qui incluent une amine ou une composition amine/polyol déposée sur un support nano-structuré tel qu'une nanosilice. Le sorbant confère une intégrité structurelle, aussi bien qu'une haute sélectivité et des capacités accrues de capture efficace du dioxyde de carbone dans des mélanges de gaz, y compris l'air. Le sorbant est régénérable et peut être utilisé pour de multiples opérations impliquant des cycles d'absorption et de désorption.

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