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Composition for solidification or semi-solidification of waste materials

  • US 4,952,242 A
  • Filed: 03/29/1988
  • Issued: 08/28/1990
  • Est. Priority Date: 03/29/1988
  • Status: Expired due to Fees
First Claim
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1. A composition for converting wastes to a solid or semi-solid state comprising:

  • a. about 50 percent to about 65 percent by weight of Portland cement,b. about 20 percent to about 28 percent by weight of a fixative selected from the group consisting of calcium sulfate, compounds of calcium sulfate with water, calcium carbonate, and compounds of calcium carbonate with water,c. about 5 percent to about 20 percent by weight of biogenetic, amorphous, silica ash, andd. about 5 percent to about 10 percent by weight of an emulsifier selected from the group consisting of sodium phosphate and sodium carbonate, and mixtures thereof.

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