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Cementitious compositions and aggregate derivatives from said compositions

  • US 4,344,796 A
  • Filed: 11/17/1980
  • Issued: 08/17/1982
  • Est. Priority Date: 06/20/1979
  • Status: Expired due to Term
First Claim
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1. Cementitious composition comprising:

  • (a) the anhydrous spent residue from a fluidized combustion bed of the type wherein limestone particles are suspended in a dry condition in the presence of a carbonaceous fuel in a fluidized medium and wherein the carbonaceous fuel is ignited within said fluidized medium to capture therein substantial amounts of SOx which is generated upon ignition of said carbonaceous fuel said residue containing coal ash which is substantially free of finely divided siliceous-alumina glass compounds,(b) water, and(c) pozzolanic materials.

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