Particulate mass measurement apparatus with real-time moisture monitor
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United States of America Patent
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Aug 27, 2002
Grant Date -
N/A
app pub date -
Aug 10, 2000
filing date -
Aug 10, 2000
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Abstract
The mass of particulate of an effluent gas flowing in a stack is measured with a mass measurement assembly in which sampling is isokinetically controlled by determining in real-time the molecular weight of the effluent gas, and in particular, determining the moisture content of water vapor in the effluent gas. Readings from a pair of flow sensors connected in series and separated by a dryer are compared to provide a real-time moisture measurement of the effluent gas. The moisture measurement is used to determine a total molecular weight of the effluent gas in real-time and the velocity of the effluent gas in real-time for isokinetic sampling during measurement of the mass of particulate flowing in the effluent gas.
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