• Recycle Gas Hydrogen Measurement
    HY-OPTIMA™ 1700 Intrinsically Safe In-line Process Hydrogen Analyzer
  • Catalytic reformer in a refinery

Analytical Instrumentation

Recycle Gas Hydrogen Measurement

Dec 30 2014

Application
Continuous hydrogen measurement in recycle gas in refineries and chemical plants

Background
Hydrogen is one of the most widely used feed stocks in the refining process. Hydrogen is also used in chemical plants to control the polymer manufacturing process.

In the catalytic reforming processes used for the refining of petroleum products, the measurement of hydrogen in recycle gas is critical to ensure the efficient operation of the plant. Continuous measurement of hydrogen in reformer recycle gas ensures the proper efficiency of the catalyst. The process stream is a multi-component including a variety of hydrocarbons, carbon dioxide and trace amounts of carbon monoxide and chlorides. Currently, traditional process analyzers like gas
chromatographs (GC), thermal conductivity meters and density analyzers are used to measure the hydrogen content in
the reformer recycle gas. Additional hydrogen measurements are needed in hydrotreaters and reformers where hydrogen is produced for the refining process.

Measurement Technique
H2scan analyzers employ a solid-state hydrogen specific technology based on palladium alloys that requires no sample
gas, reference cell or everyday calibration. The sensing material is inherently specific to hydrogen and has the capability
to operate in a variety of multi-component gas backgrounds. H2scan analyzers are adaptable to conventional or NeSSI
type sample systems and provides direct hydrogen measurements.

Advantages
Traditional analyzers require regular maintenance, long sampling times and analyzer housings increasing the overall cost
to buy, install and maintain. H2scan’s HY-OPTIMA™ 1700 in-line, real-time hydrogen-specific process monitors are
designed for ease of use, interface flexibility and true process control. The HY-OPTIMA™ 1700 is an intrinsically safe,
solid state sensor that is configured to operate in process gas streams with up to 95% relative humidity and temperatures
up to 100ºC.H2scan’s in-line analyzers can be easily installed using a standard Swagelok connection much closer to the
process or in sample housing. Field calibration is possible with standard calibration gases on site.

For complete details on this application, please visit this link>> 


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