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Liquefied natural gas (LNG)

Real-time measurement of contaminants down to trace levels

Monitoring impurities in gas feed to the cold box to ensure reliable liquefaction and on-time shipments

Moisture H2O in molecular sieve outlet

Gas moisture concentration at outlet of desiccant dryers to prevent freeze-up of liquefaction train. Measuring range starting from 0 to 2 ppmv.

Traditional approach

  • Electrochemical cells are affected by trace hydrocarbons and other contaminants requiring frequent replacement

  • Quartz crystal moisture balances are sensitive to contaminants and have high OPEX

Our solution

SpectraSensors' non-contact laser is immune to damage and has with no wet-up or dry-down delays even when the concentration changes dramatically

Find detailed application notes on gas analysis solutions

Typical analytes and measuring ranges

  • Analyte: H2S - Range: 0-10 ppmv

  • Analyte: H2O - Range: 0-2 to 0-10 ppmv

  • Analyte: CO2 - Range: 0-100 ppmv

Applications

  • Monitoring contaminants is critical for process optimization and gas quality Monitoring contaminants is critical for process optimization and gas quality

    Gas processing

    Monitoring contaminants is critical for process optimization and gas quality.

  • Monitoring contaminants, e.g. H2S, H2O, to protect pipelines from corrosion Monitoring contaminants, e.g. H2S, H2O, to protect pipelines from corrosion

    Natural Gas

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

  • Measuring impurities in C2 streams fraction to prevent C2 splitter contamination Measuring impurities in C2 streams fraction to prevent C2 splitter contamination

    Petrochemicals / olefins / ethylene

    Measuring impurities in C2 streams fraction to prevent C2 splitter contamination and prevent going to flare due to not meeting ethylene product specifications

  • Measuring composition and impurities in refinery gases to optimize process and hydrogen quality Measuring composition and impurities in refinery gases to optimize process and hydrogen quality

    Refinery

    Measuring composition and impurities in refinery gases to optimize process efficiency and hydrogen quality

  • Measuring composition for optimizing syngas production, process intermediates and end products Measuring composition for optimizing syngas production, process intermediates and end products

    Syngas-related industries

    Measuring composition for optimizing syngas production, process intermediates and end products

  • Simple products

  • Easy to select, install and operate

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  • Reliable, robust and low-maintenance

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  • Specialized products

  • Designed for demanding applications

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Variable

FLEX selections Technical excellence Simplicity
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Fundamental selection

Meet your basic measurement needs

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Lean selection

Handle your core processes easily

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Optimize your processes with innovative technologies

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Master your most challenging applications

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Variable
Monitoring impurities in gas feed to the cold box to ensure reliable liquefaction, on-time shipments

Success stories

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