Method for partially separating carbon dioxide from gas mixture

Method for partially separating carbon dioxide from gas mixture

  • CN 102,049,174 A
  • Filed: 10/28/2009
  • Published: 05/11/2011
  • Est. Priority Date: 10/28/2009
  • Status: Active Application
First Claim
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1. the method for a part separating carbon dioxide from admixture of gas is characterized in that the CO in the air-flow 2Be removed by contacting with aqueous alkanolamine, used absorbent is regenerated through the regeneration flow process in two steps, the first step is rich in CO 2Absorption liquid rely on the heat add to make most of CO of absorption 2Parse;

  • In second step, resolved portion C O 2Absorption liquid rely on heat that self cooling produced with remaining CO 2Parse, the absorption liquid after will regenerating then is recycled to absorption step.

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