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Liquifaction of Nitrogen/Helium

  1. Jul 23, 2007 #1
    Dear Friends,
    I want to explain the liquifaction of Nitrogen/Helium. Does anyone has a short movie related to this? or can I download from some site.

  2. jcsd
  3. Jul 24, 2007 #2


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    Do you mean a video of it being manufactured - that is probably just going to show a lot of pipes and clouds of water vapour.
    Big makers are BOC and AirProducts, they may have some material.
    Or do you mean an animation of gas molecules being cooled - I don't have any but there probably are some on the net.

    It's not very complicated, compress gas, extract waste heat, boil off the other consituents, bottle, sell.
  4. Jul 25, 2007 #3
    Thanks for your reply. I mean just an animated film and not the one with lot of pipes and clouds
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