Method and System for Pre-Treating Fly Ash
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United States of America Patent
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Issued Date -
Mar 27, 2008
app pub date -
Sep 7, 2005
filing date -
Sep 8, 2004
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Abandoned
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Abstract
A method and system for treating fly ash by addition of a chemical reagent during fly ash transfer operations. The method includes discharging fly ash from a fly ash storage silo and metering the mass flow rate of the fly ash being discharged with a mass flow metering device. The method also includes generating a signal from the mass flow metering device corresponding to the mass flow rate of the fly ash and adding a chemical reagent to the fly ash at a selected chemical reagent addition rate with a chemical feeding device, wherein the chemical reagent addition rate is selected based upon the mass flow rate of fly ash removal. The method also includes blending the chemical reagent with the fly ash to treat the fly ash and transferring the treated fly ash to a work or disposal location.
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