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Solid fuel and process for combustion of the solid fuel

  • US 5,429,645 A
  • Filed: 01/05/1993
  • Issued: 07/04/1995
  • Est. Priority Date: 12/06/1990
  • Status: Expired due to Term
First Claim
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1. A solid fuel comprising a recycled lignin-comprising residue from anaerobic digestion of a ligno-cellulosic organic material which produces said recycled lignin-comprising residue with a heat content value of approximately 8,500 to 10,500 Btu/lb dry matter, said ligno-cellulosic organic material being selected from the group consisting of municipal solid waste, raw sewage sludge, industrial waste, and mixtures thereof.

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