The Trace Level Alcohols in Hydrocarbon Streams via GC-FID

Determining concentrations of alcohols and other oxygenates in hydrocarbon streams is important in the petrochemical industry due to their corrosiveness and their effects on the physical and chemical characteristics of the product. Methods such UOP845, a retracted method for quantifying residual alcohols in liquified petroleum gases (LPG), are still commonly used to monitor and report alcohol concentrations within hydrocarbon gas streams. With current improvements in column technology, new column phases can be utilized for applications such as these while simplifying the hardware required for analysis. The SupelcoSBL-IL111i columns utilize ionic liquids to create a highly polar column that is more rugged than traditional polar phases. This application aims to utilize these properties for the separation of alcohols and nonpolar analytes of natural gas and LPG.

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Gas Chromatography (GC)
Energy and Chemicals, Nexis GC-2030 Gas Chromatograph
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