METHOD AND SYSTEMS TO CONTROL MUNICIPAL SOLID WASTE DENSITY AND HIGHER HEATING VALUE FOR IMPROVED WASTE-TO-ENERGY BOILER OPERATION
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United States of America Patent
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Issued Date -
Jul 10, 2008
app pub date -
Dec 20, 2007
filing date -
Dec 22, 2006
priority date (Note) -
Abandoned
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Abstract
Having an indication of changes to the heating value of municipal solid waste (MSW) and having a means to control it before the MSW is fed to the boiler enables improved combustion control and increased capacity of waste-to-energy boilers. The moisture content of MSW has a significant impact on its heating value and on boiler efficiency when combusted. Changes in moisture content also change the density of the MSW. Directly measuring the density of the MSW prior to feeding it to the boiler permits controlled addition of additional water or liquid waste to reduce the variance of the MSW heating value.
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