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Adsorbents for hydrogen purification

In large commercial hydrogen plants, carbon dioxide is separated from the synthesis gas using pressure swing adsorption (PSA).

This process can also be used to adsorb methane, ethane, ethylene, carbon monoxide, nitrogen, moisture, and argon from the hydrogen. Typical purity levels for hydrogen achievable through PSA are > 99.99 vol.%. Our specialized activated carbons and molecular sieves are high-quality adsorbents for hydrogen purification used in PSA plants.

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