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Solid carbon dioxide absorbent including amine or a compound thereof for use in the capturing process of dry carbon dioxide, and method for manufacturing same

  • US 10,456,772 B2
  • Filed: 11/10/2017
  • Issued: 10/29/2019
  • Est. Priority Date: 10/31/2011
  • Status: Active Grant
First Claim
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1. A carbon dioxide absorbent manufactured by a method, the method comprising the steps of:

  • (A) preparing a slurry composition including a carrier composition containing a support and an inorganic binder, and a solvent;

    (B) preparing solid particles by spray drying the prepared slurry composition;

    (C) manufacturing a carrier by dry calcining the solid particles at a temperature between about 350°

    C. and about 1,000°

    C. and under an atmosphere of one of air, nitrogen, helium, and a reducing gas, wherein the carrier has a specific surface area of between 50 m2/g and 500 m2/g; and

    (D) receiving an amine compound into pores of the manufactured carrier.

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