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System and method for generation of high pressure air in an integrated gasification combined cycle system

  • US 20080115478A1
  • Filed: 11/16/2006
  • Published: 05/22/2008
  • Est. Priority Date: 11/16/2006
  • Status: Active Grant
First Claim
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1. An integrated gasification combined cycle system, comprising:

  • an ion transport membrane air separation unit for producing oxygen-enriched gas and oxygen-depleted air;

    a gasification system for generating syngas from a carbonaceous fuel reacting with the oxygen-enriched gas;

    a gas combustor for reacting the syngas; and

    a subsystem, configured to provide a first stream of air to the combustor at a first pressure and to provide a second stream of air to the air separation unit at a second pressure greater than the first pressure, comprising a compressor having multi-pressure outlets.

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