Manufacture of ceramic tiles from fly ash
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United States of America Patent
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-
Aug 10, 1999
Issued Date -
N/A
app pub date -
Oct 20, 1997
filing date -
Apr 9, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process for forming glass-ceramic tiles. Fly ash containing organic material, metal contaminants, and glass forming materials is oxidized under conditions effective to combust the organic material and partially oxidize the metallic contaminants and the glass forming materials. The oxidized glass forming materials are vitrified to form a glass melt. This glass melt is then formed into tiles containing metallic contaminants.
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