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Configurations and methods of high pressure acid gas removal

  • US 8,696,798 B2
  • Filed: 09/30/2009
  • Issued: 04/15/2014
  • Est. Priority Date: 10/02/2008
  • Status: Active Grant
First Claim
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1. A method of regenerating a CO2-depleted physical solvent from a CO2-rich physical solvent that is formed in a CO2 absorber by absorption of CO2 from a gas having a CO2 content of at least 10 mol % and a pressure of at least 1000 psig, comprising a step of heating the CO2-rich solvent to a temperature of at least 100°

  • F. using heat from flash-regenerated lean solvent and heat recovered from at least one of a feed gas, and a compressor discharge, wherein the heated CO2-rich solvent is flashed to so form the CO2-depleted physical solvent.

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