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Refinery Gas Analysis

Refinery gas analysis is a commonly used gas chromatography-based test method to characterize gases produced during crude oil refining including stack emission, flame, and reformate streams. Although the composition of the gases varies, they typically contain C1 to C5 paraffins, C6+ paraffins, C2-C5 olefins, and non-condensed gases. All of which can be measured using our refinery gas analyzer.

Our refinery gas analyzers (RGA) utilize a gas chromatograph configured with three separate channels; one equipped with a flame ionization detector (FID) to separate and measure the hydrocarbon species, one equipped with a thermal conductivity detector (TCD) to measure the non-condensed gases (CO, CO2, argon/oxygen, nitrogen, H2S, helium, and hydrogen) and one using nitrogen carrier gas and TCD to measure hydrogen if greater sensitivity is required. The RGA system can be configured to analyze gaseous and/or ‘compressed’ liquid streams. Analysis results from each of the individual channels are combined to produce a single comprehensive report using special software provided with the system.

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Although refinery gas analysis cycle times can take as long as 20 minutes or more Separation Systems can configure ‘Fast RGA’ systems with analysis cycle times as little as  6-8 minutes.


Gas Chromatography Experts


At Separation Systems, Inc, we pride ourselves on being experts in gas chromatography. We offer solutions for:

  • Petroleum refining
  • Petrochemical production
  • Biofuels
  • Industrial gases
  • Energy production

The systems we offer are comprehensive in nature and incorporate Agilent gas chromatographs, our own patented or trademarked hardware and software technologies, columns, consumables, standards, training, and support. While the majority of our products are specifically designed to meet or exceed the requirements of methods developed and sponsored by international standard organizations such as ASTM, UOP, GPA, European Union, ISO, and others, we also design, test and validate systems to meet special needs of our customers including the custom software development.

Contact us today to find out more about our refinery gas components, as well as our other solutions.