Removal of acid gases from a gas stream, with co2 capture and sequestration

Removal of acid gases from a gas stream, with co2 capture and sequestration

  • CN 102,753,250 A
  • Filed: 11/30/2010
  • Published: 10/24/2012
  • Est. Priority Date: 01/22/2010
  • Status: Active Application
First Claim
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1. gas processing device, it is used to handle the hydrocarbon gas flow that comprises sulfur-bearing composition and carbon dioxide, and said gas processing device comprises:

  • Acid gas removal facility is used for said hydrocarbon gas flow is divided into (i) processed gas stream and (ii) first acid gas stream, mainly is made up of hydrogen sulfide and carbon dioxide;

    The Sulfur Recovery Unit unit is used to receive acid gas stream and said first acid gas stream is divided into the flow of liquid of (i) elementary sulfur and (ii) comprises the tail gas of acid gas impurities;

    Tail gas treating unit;

    Be used to receive tail gas;

    And said tail gas is divided into (i) from the top byproduct stream of getter container with (ii) from second acid gas stream of regenerator vessel, said second acid gas stream comprises most of hydrogen sulfide and the carbon dioxide in the said tail gas;

    WithCompressor station is used to receive from said second acid gas stream of said regenerator vessel and provides pressure to said second acid gas stream, is used for being injected into subsurface reservoir.

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