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SYSTEM FOR RECOVERING CARBON DIOXIDE FROM FLUE GAS

  • US 20110107916A1
  • Filed: 01/26/2009
  • Published: 05/12/2011
  • Est. Priority Date: 07/23/2008
  • Status: Active Grant
First Claim
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1. A system for recovering carbon dioxide from flue gas, comprising:

  • an absorber that brings CO2 absorbent that absorbs CO2 contained in flue gas exhausted from industrial facilities into contact with the flue gas to remove CO2 from the flue gas;

    a regenerator that strips CO2 from CO2 absorbent that is fed from the absorber through a first feed line and has absorbed the CO2 to regenerate CO2 absorbent;

    at least two falling film reboilers that draw off CO2 absorbent from near a bottom of the regenerator and reheats CO2 absorbent via steam;

    a first liquid-vapor separator that separates CO2 absorbent reheated by the falling film reboilers into CO2 absorbent and vapor containing CO2; and

    a second feed line for supplying separated CO2 absorbent to the absorber.

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