Theme #3 Advanced Gas Separations & Storage Processes


More effective, efficient or cheaper means of safely removing natural gas contaminants, or capturing high-value trace components, are central to the evolution and diversification of LNG production technology.

Synthesising Low Cost Zeolites from Fly Ash

Gas Chromatograph

Zeolites are microporous aluminosilicate materials commercially used as both catalysts and adsorbents for separations. Key uses for zeolites in LNG production include gas dehydration (all scales), acid gas sweetening (small scale), removal of mercury (all scales) and other contaminants such as nitrogen (small scale). However, these zeolites often represent a significant operational cost either because of…

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PSA for Separating N2 & He from Natural Gas

DR PSA Pilot

Many of the gas reserves destined to supply the generation of LNG plants now under construction contain sufficient nitrogen that cryogenic distillation is required at the end of the train to ensure the LNG product meets the shipping specification of less than 1 % N2. Very large savings in capital and operational costs, as well…

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Synergistic CO2 & H2O Removal in FLNG Operations


Prior to entering cryogenic regions of an LNG plant, the CO2 concentration of natural gas needs to be < 50 ppm to avoid dry ice formation and potential blockages in the process equipment. The H2O content needs to be < 2 ppm to avoid ice formation. Two separate, consecutive and energy intensive processes are used…

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