×

Ultra cleaning of combustion gas including the removal of CO2

  • US 7,641,717 B2
  • Filed: 04/12/2005
  • Issued: 01/05/2010
  • Est. Priority Date: 08/06/2004
  • Status: Active Grant
First Claim
Patent Images

1. A system for cleaning of a contaminated combustion gas, comprising:

  • (a) one or more direct and wet cooling stages configured to cool a gas stream to condense water from said gas stream and to capture and remove contaminants from said gas stream, wherein the one or more direct and wet cooling stages includes a final cooling stage configured to cool the gas stream to below ambient temperature;

    (b) one or more CO2 absorbing stages configured to absorb CO2 from the gas stream cooled to below ambient temperature using an ammoniated solution or slurry;

    (c) a pressurizer configured to pressurize the ammoniated solution or slurry with the absorbed CO2;

    and(d) one or more CO2 regeneration stages configured to separate absorbed CO2 from said pressurized ammoniated solution or slurry.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×