Method of reducing carbon levels in fly ash
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United States of America Patent
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N/A
Issued Date -
Dec 19, 2002
app pub date -
Jun 1, 2001
filing date -
Jun 1, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is disclosed a method of reducing carbon levels in fly ash. The method comprises the steps of: (a) placing the fly ash in a microwave reactor; (b) exposing said fly ash to microwave radiation in the presence of carbon-free material so as to raise its temperature to at least 600.degree. C. while agitating the fly ash in the presence of oxygen; and; (c) terminating exposure of said fly ash to said microwave radiation when the carbon content of the fly ash has fallen below a predetermined value.
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