Measuring and testing – Gas analysis – Moisture content or vapor pressure
Patent
1986-02-18
1988-02-16
Levy, Stewart J.
Measuring and testing
Gas analysis
Moisture content or vapor pressure
G01N 2556
Patent
active
047247002
ABSTRACT:
The disclosure relates to a method for continuously measuring the concentration of water in a gas stream. Several stations are utilized to perform the measuring function and to particularly determine the amount of moisture in the sample gas stream. The gas sample is extracted from a duct and initially condensed at a relatively lower temperature to further extract heavy organic materials. The gas stream is then subjected to a first orifice in a heated oven to measure the gas flow before water vapor has been condensed out. After this measuring step the gas is subjected to an ice bath and a drying column to extract the water vapor from the gas sample. The flow rate dried gas sample is again measured by an orifice in a controlled environment. The molar flow rates can be compared to determine the water concentration of the flue gas.
REFERENCES:
patent: 3229502 (1966-01-01), Pappas et al.
patent: 4507875 (1985-04-01), Hirsch et al.
Center For Innovative Technology
Levy Stewart J.
Roskos Joseph W.
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