B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
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B01D 53/22 (2006.01) B01D 53/26 (2006.01)
Patent
CA 1311693
36-21(5443)A PROCESS FOR PRODUCING HIGH QUALITY GAS FOR INSTRUMENTATION APPLICATION USING GAS SEPARATION MEMBRANES Abstract of the Disclosure 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 analyti- cal spectrometers and related instrumentation equip- ment. Impurities normally found in compressed air used in operation and purging of instrumentation devices include water vapor and CO2, 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.
587021
Freeman John J.
Murphy Milton K.
Rice Arthur W.
Freeman John J.
Mcfadden Fincham
Monsanto Company
Murphy Milton K.
Permea Inc.
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