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How is liquid nitrogen prepared?

Updated: 4/28/2022
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15y ago

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Liquid Nitrogen (LIN) is produced in huge industrial air separation plants, these plants compress air then quickly release the air and compress it again, this process is repeated over and over, each time the compressed air is released it gets colder (rather like the cold air you get when quickly releasing air from a balloon.) eventually the air becomes so cold it turns to liquid, and each gas (Oxygen, Nitrogen and Agron)separates out at a slightly different temperature, these are stored in cryogenic tanks (industrial vacumme flasks) and distributed to customers for all sorts of industrial, medical and food preparation uses.

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15y ago
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Q: How is liquid nitrogen prepared?
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