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Author: Subject: Making supercritical carbon dioxide extractor at home?
nikotyna1919
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[*] posted on 10-6-2020 at 00:33
Making supercritical carbon dioxide extractor at home?


Can you make supercritical carbon dioxide extractor by just compressing CO2 at 1,070 PSI and keep the temperature 31 Celsius in a gas cylinder
if can't what is the other easiest way to make supercritical CO2 extractor at home?
also i have a cylinder that is max pressure is 1450 psi

[Edited on 10-6-2020 by nikotyna1919]

[Edited on 10-6-2020 by nikotyna1919]

[Edited on 10-6-2020 by nikotyna1919]
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B(a)P
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[*] posted on 10-6-2020 at 01:36


There is a pretty interesting youtube clip on the NileBlue channel.
https://www.youtube.com/watch?v=JslxPjrMzqY
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Fulmen
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[*] posted on 14-6-2020 at 12:53


All you need is to heat a bottle containing liquid CO2 to above 31┬░C. Like this kit: https://www.youtube.com/watch?v=oxO9izpA6LI
Be aware that pressurized bottles have a maximum service temperature. Exceeding this can be problematic. Like, you know, kaboom.

While the idea is simple and clever, I do wonder how efficient it really is. 5x20lbs of CO2 for 1lbs of sample doesn't sound that impressing. I would expect the performance to increase with temperature and density, so this would be "entry level SCX".

One thing I haven't really figured out yet is whether or not the critical point causes any abrupt changes in properties. I have always thought of it as a convergence phenomena, the point where both phases behaves the same.




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arkoma
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[*] posted on 14-6-2020 at 14:06


Umm, may I suggest butane in a WELL ventilated area? Pretty sure what you are after, and butane works very well,but Ford forbid you do it in an enclosed area.



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morganbw
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[*] posted on 14-6-2020 at 16:06


Quote: Originally posted by arkoma  
Umm, may I suggest butane in a WELL ventilated area? Pretty sure what you are after, and butane works very well,but Ford forbid you do it in an enclosed area.


I love you man, but your sig is being a bit too much.
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arkoma
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[*] posted on 16-6-2020 at 13:07


I'll tone it down in a day or two

*edit* or now *blush*

[Edited on 6-16-2020 by arkoma]




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