Anybody ever going make a centrifuge for butane lol? You could use that spray wash technique.
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I ran butane treu A fuge at cryo temps
And I really think it s a option
I recomend a hyperbaric room to work in and a closed loop fuge would be king
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One of the people from the Curian team told me they ran butane in a ACE once.
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At cryo temps I don t see why not
The biggest isseu I encoutered was the unloading and where to leave the saturated bag of biomass quiete amazing how larger evaporation area biomass is
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Ive been asking for one for awhile nowā¦
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I can only imagine the off gassingā¦ Shitā¦ That would be the issue, if there was one to pick
(Stupid thought, but could you use pressure with N2 to push the butane out of the biomass?) Probably need a special pressure fuge, or something?
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Canāt a truly hermetic, high pressure centrifuge be made thst can handle LPG?
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Iām glad to see my thoughts are in the right place, according to your statement. The pressure?
Everytime i Google a butane centrifuge it comes up with uranium and Iran lol
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Seems like, if you could make a fuge that can handle say 200 psi, you could run warm butane, and if you pull with a compressor while spinning it should just evaporate right off and hopefully youād lose almosy nothing.
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N2 will not suffice to get the biomass dry. You need the fuge
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Wow though. Butane centrifugeā¦ now were talking
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The losses with a fuge and cryo butane are well within margin 3-5% per run
The time saving compensates that big time
But yes a closed loop system is no luxury
I did not panic but I have abboarded the concept for now
Although cold (walk-in freezer) and no (less than 1.6% oxigen make it possible
Takes a lot of N2 to purge the walk inn to around 1%
You have to be inside the walk inn when purging with N2 takes forever and it s cold 
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Delta played with the idea of doing a butane centrifuge and I think tried it but for some reason gave up on the idea.
I think the hardest part to overcome would be the roatery seal at pressure. I know a couple companyās offer solutions for low speed, no clue for high speed.
Heating the fuge to drive out all the residuals after a nitro press wouldnāt be hard.
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Thereās decanters with pressure ratings in the 100s or 1000s. Never seen a basket type like that though.
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Hermetic motor: put the motor in the enclosure just like they do with refrigerant compressors. Double bonus if you use air for it
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There you go!
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Coils?
And so eloquently implementedā¦
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I appreciate you fielding the questions folks may have about this @cyclopath! It appears there are actually several different topics occurring simultaneously in this thread, so I donāt really know what I can contribute besides āYeah! What he said!ā 