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Method for separating carbon dioxide from a gas flow, in particular from a flue gas flow, and separating device for separating carbon dioxide from a gas flow, in particular from a flue gas flow

  • US 10,213,728 B2
  • Filed: 06/12/2014
  • Issued: 02/26/2019
  • Est. Priority Date: 06/21/2013
  • Status: Active Grant
First Claim
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1. A method for separating off carbon dioxide from a gas stream, the method comprising:

  • bringing a gas stream into contact with a scrubbing medium in an absorber of a separating device, with carbon dioxide present in the gas stream being separated off,feeding the loaded scrubbing medium to a desorber of the separating device to liberate the carbon dioxide,withdrawing a vapor stream from the desorber and feeding the vapor stream to a cooling device for formation of condensate,feeding the condensate formed in the cooling device, at least in part, to a purification device, comprising a reverse osmosis plantremoving degradation products present in the condensate by reverse osmosis, and recirculating the condensate that was purified in the purification device by removal of degradation products to the desorber.

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