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Polyimide membranes for the purification of natural gas – Phys.org

Natural gas that contains larger amounts of hydrogen sulfide (H2S) and carbon dioxide (CO2) is termed sour gas. Before it can enter a pipeline, it must be ‘sweetened’ by removal of its acidic impurities. Through fine tuning of the ratios of two molecular comp…

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Natural gas that contains larger amounts of hydrogen sulfide (H2S) and carbon dioxide (CO2) is termed sour gas. Before it can enter a pipeline, it must be ‘sweetened’ by removal of its acidic impurit…

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