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Method to upgrade low rank coal stocks

  • US 20050039386A1
  • Filed: 07/01/2004
  • Published: 02/24/2005
  • Est. Priority Date: 07/01/2003
  • Status: Active Grant
First Claim
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1. A method of treating coal comprising:

  • a. contacting a coal with an aqueous Fischer-Tropsch waste; and

    , b. separating the coal from at least a portion of the aqueous Fischer-Tropsch waste, wherein ash present in the coal is removed in the aqueous Fischer-Tropsch waste.

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