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PAC Corporate Headquarters

8824 Fallbrook Drive
Houston, TX 77064 USA
Phone: 800.444.TEST
Fax: 281.580.0719

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"Improving Trace CO and CO2 Analysis in Hydrogen and Various Hydrocarbon Gas Streams"

Abstract: Permanent gases such as CO, CO2, O2, N2, and Methane are common analytes in refinery gases, natural gas, fuel cell gases, and many other industrial processes. Understanding the concentration of these components is crucial for controlling manufacturing processes, and impact on quality and commercial value of end products. Impurities such as CO and CO2 in feedstocks are detrimental for certain catalysts which may result in cost increases or disruption of production. UOP recently released an updated method, UOP 603-12, which is based on a configuration developed by PAC’s Analytical Controls. A two valve configuration allows for venting off bulk methane, thus protecting the system’s methanizer from excess hydrocarbon. It provides better limits of quantification and excellent analyzer stability over time. Analytical data is presented for this method.

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