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Author Topic: alternative refrigerants  (Read 6381 times)

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alternative refrigerants
« on: January 25, 2005, 11:52:13 AM »

Why is freon considered to be a good refrigerant? Why not use something else like propane? I'm just wondering what qualities of a particular gas or molecule make it a good refrigerant as opposed to something else. Gonna build me a fridge and use it to cool off solar panels.


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Re:alternative refrigerants
« Reply #1 on: January 25, 2005, 11:47:52 PM »

Good refrigerant gas has high heat capasity, heat conductivity and compressibilty factor, but also a low boiling point.
Freon is used mainly because it's nontoxic and it's not very flammable, so any leak wouldn't pose any health hazard. Freon also has a downsize: It forms radicals when exposed to UV-radiation, making it a threat to the ozone layer.
Chemists do it periodically on table.


  • Guest
Re:alternative refrigerants
« Reply #2 on: January 26, 2005, 05:52:50 AM »

Have any suggestions for a chemistry novice for refrigerants? Something I can fab up easily or get at walmart? Google searches keep telling me to use propane, but compressing an explosive gas scares me...
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