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US 2012/0055374 A1Published application
Fly ash used in construction application
OwnerWilliam B. Spence, Chris A. Forshainventors
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Abstract
A masonry product is formed from a composition comprising a blend of fly ash and kiln dust. A process for forming the product comprises mixing fly ash, kiln dust, and water; and applying a pressure.
Claims21
A masonry product comprising:
- from about 85% to about 95% by volume of fly ash;
- and
- from about 5% to about 15% by volume of kiln dust.
The masonry product of claim 11, wherein the amount of coarse fly ash is roughly equal to the amount of pulverized fly ash.
A process of forming a masonry product in a mold, the process comprising:
- providing coarse fly ash to the mold;
- providing pulverized fly ash to the mold;
- providing kiln dust to the mold;
- providing water to the mold;
- and
- applying a pressure to the mold.
3 more elements
A masonry product comprising:
- about 90% by volume of Class C fly ash;
- and
- about 10% by volume of lime kiln dust.
Dependencies are inferred from the claim text.