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  2. Liquid nitrogen - Wikipedia

    en.wikipedia.org/wiki/Liquid_nitrogen

    Liquid nitrogen has a boiling point of about −196 °C (−321 °F; 77 K). It is produced industrially by fractional distillation of liquid air. It is a colorless, mobile liquid whose viscosity is about one-tenth that of acetone (i.e. roughly one-thirtieth that of water at room temperature ). Liquid nitrogen is widely used as a coolant .

  3. Cryogenic gas plant - Wikipedia

    en.wikipedia.org/wiki/Cryogenic_gas_plant

    A cryogenic gas plant is an industrial facility that creates molecular oxygen, molecular nitrogen, argon, krypton, helium, and xenon at relatively high purity. [1] As air is made up of nitrogen, the most common gas in the atmosphere, at 78%, with oxygen at 19%, and argon at 1%, with trace gasses making up the rest, cryogenic gas plants separate air inside a distillation column at cryogenic ...

  4. Cryogenic energy storage - Wikipedia

    en.wikipedia.org/wiki/Cryogenic_energy_storage

    Cryogenic energy storage ( CES) is the use of low temperature ( cryogenic) liquids such as liquid air or liquid nitrogen to store energy. [1] [2] The technology is primarily used for the large-scale storage of electricity. Following grid-scale demonstrator plants, a 250 MWh commercial plant is now under construction in the UK, and a 400 MWh ...

  5. Nitrogen generator - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_generator

    Analytical chemistry: Nitrogen generators are required for various forms of analytical chemistry such as liquid chromatography–mass spectrometry and gas chromatography where a stable and continuous supply of nitrogen is necessary. Aircraft & motor vehicle tires: Although air is 78% nitrogen, most aircraft tires are filled with pure nitrogen.

  6. Plant cryopreservation - Wikipedia

    en.wikipedia.org/wiki/Plant_cryopreservation

    Plant cryopreservation is a genetic resource conservation strategy that allows plant material, such as seeds, pollen, shoot tips or dormant buds to be stored indefinitely in liquid nitrogen. [1] After thawing, these genetic resources can be regenerated into plants and used on the field. While this cryopreservation conservation strategy can be ...

  7. Air separation - Wikipedia

    en.wikipedia.org/wiki/Air_separation

    An air separation plant separates atmospheric air into its primary components, typically nitrogen and oxygen, and sometimes also argon and other rare inert gases . The most common method for air separation is fractional distillation. Cryogenic air separation units (ASUs) are built to provide nitrogen or oxygen and often co-produce argon.

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