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NATURAL GAS

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Natural Gas

Reliable and robust gas analysis solutions to continuously ensure pipeline safety

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Monitoring contaminants, e.g. H2S, H2O, to protect pipelines from corrosion and blockage by hydrate formation and to assure quality specifications for custody transfer

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Moisture H2O in natural gas pipelines

 

Low moisture content is critical to meet quality specifications and to protect pipelines from corrosion. Measuring range starting from 0 to 100 ppmv.

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Traditional approach

 

High levels of solid and liquid contaminants and varying concentrations (glycol, methanol, compressor oil, sulfur compounds) challenge measurements of moisture

  • Sensors relying on the absorption onto sensitive surfaces have wet-up or dry-down delays

  • Contaminants may destroy some moisture sensors

  • Cross-interference affects moisture readings

  • Al2O3 sensors are slow and subject to other components in natural gas

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Our solution

 

SpectraSensors' Tunable Diode Laser – Absorption Spectroscopy (TDLAS): The rugged solution used in natural gas pipelines with very little maintenance, no interference, and with no detrimental effects from glycol, methanol, amines, H2S, moisture slugs, etc.

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Typical analytes and measuring ranges

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  • Analyte: H2S - Range: 0-10 to 0-5000 ppmv

  • Analyte: H2O - Range: 0-100 to 0-2500 ppmv

  • Analyte: CO2 - Range: 0-5 to 0-20%

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