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Pressurized wet combustion at increased temperature

  • US 5,261,225 A
  • Filed: 09/20/1991
  • Issued: 11/16/1993
  • Est. Priority Date: 12/26/1985
  • Status: Expired due to Term
First Claim
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1. A method for continuously operating a gas turbine with a hot combustion gas generated by combusting an aqueous slurry of solid fuel particles so as to provide a clean, hot, pressurized fluid for driving the gas turbine comprising the steps of:

  • pressurizing the fuel slurry;

    pressurizing an oxygen-containing gas;

    mixing the fuel slurry and the oxygen-containing gas in an inlet zone of an elongated combustion reactor;

    permitting the fuel particles to burn in the presence of at least one atmosphere of steam while controlling the maximum temperature within a range of 1600 to 2600 degrees F. to thereby form a combustion gas which includes solid particles;

    removing solid particles from the combustion gas, resulting in a clean gas-steam mixture and solid particles removed therefrom;

    conducting the gas-steam mixture to the inlet of the gas turbine; and

    driving the gas turbine with the gas-steam mixture.

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