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Regenerable supported amine-polyol sorbent

  • US 5,492,683 A
  • Filed: 09/16/1994
  • Issued: 02/20/1996
  • Est. Priority Date: 12/11/1992
  • Status: Expired due to Fees
First Claim
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1. A regenerable carbon dioxide removal process comprising the steps of:

  • a. passing a gaseous stream containing carbon dioxide through a sorbent bed, wherein said sorbent is formed from a supported amine-polyol sorbent having about 1 wt. % to about 25 wt. % polyol and about 1 wt. % to about 25 wt. % amine, with the balance being support;

    b. absorbing the carbon dioxide into said sorbent; and

    c. desorbing the absorbed carbon dioxide to regenerate the sorbent.

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