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SYSTEM AND METHOD FOR PRODUCING SUBSTITTUE NATURAL GAS FROM COAL

  • US 20080190024A1
  • Filed: 02/08/2007
  • Published: 08/14/2008
  • Est. Priority Date: 02/08/2007
  • Status: Active Grant
First Claim
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1. A system for producing substitute natural gas and electricity, the system comprising:

  • a hydrogasification reactor;

    a hydrogen source coupled to the hydrogasification reactor;

    a coal source coupled to the hydrogasification reactor;

    an oxygen burner coupled to an outlet of the hydrogasification; and

    an oxygen source coupled to the oxygen burner,wherein hydrogen from the hydrogen source and coal from the coal source react within the hydrogasification reactor to produce a gas stream, including methane, and a solid stream, and wherein at least a portion of the solid stream is combusted with oxygen from the oxygen source in the oxygen burner.

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