Process for producing high quality gas for instrumentation application using gas separation membranes
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United States of America Patent
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Dec 27, 1988
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N/A
app pub date -
Dec 28, 1987
filing date -
Dec 28, 1987
priority date (Note) -
Expired
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Abstract
A process has been developed for effectively purifying compressed air by removing water vapor, carbon dioxide and other impurities through the use of gas separation membrane systems. Gas separation membranes have been found which are capable of purifying air to a suitable level for operation of analytical instrumentation apparatus such as Fourier Transform Infrared analytical spectrometers and related instrumentation equipment. Impurities normally found in compressed air used in operation and purging of instrumentation devices include water vapor and CO.sub.2, which are strong absorbers of infrared radiation at wavelengths which interfere with analytical wavelengths and spectral regions commonly employed for analysis of a variety of organic and inorganic materials.
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