Ah OK, so a little frozen CO2 in the yield is typical? Thanks for your insight, we're getting results similar to your picture, so I guess we're on the right track, I just wasn't expecting it because I hadn't seen anything like that prior and was alarmed to see a frozen solid block like that. Given the amount its mass dropped when we let it thaw, I was worried we were trapping and losing too much CO2.
What's the best way to get all that residual water vapor out of that? We've been using a vac oven, but it's been taking a lot longer than we'd hoped. Any alternatives? Rotovap?
Vac oven, Rotovap. or just warm it up in the oven without vac, then suck them out with a syringe with dispensing needle also works. The water should separate after some time once warm making it easier to deal with. You could also leave out @ room temp and after many days the water would evap off...but not very productive.
With the right settings and some adjustments depending on the Separator numbers... but one can get the waxes in one chamber and the dewaxed (terpene rich oils) in the secondary separator. Gotta run cold, but not too cold other you make dry ice and will make an
@pureweed. I'm new here and new to co2, can you elaborate on what are the different psi's for the seperators? It seems all i pull out of my second seperator is water.
@califarmer5
Your extractor psi and temp is where you can control running subcritical or supercrital (sub meaning below and super meaning above, and in case its referring to one of the critical points for CO2 @ ~ 1088psi +88F). All systems are different and have minimum and maximum settings, so always consult the manual first. Subcritical gets lower yields but has less waxes/fats, supercritical gets higher yields but with more waxes/fats. The separation settings will vary based on the system. For Apeks they recommend trying to achieve around 250-350psi in your separator, whereas others may run @500psi, Generally it will be below (or you want it to be) 600psi as this allows for oil separation from the CO2 as it returns to a gas state. Which ever system you are on, this can generally only be adjusted by changing out the orifice and running a few runs and recording your data. Again consult the manual for the system in use.
Interesting. I do not think the separation can be done at low pressure. To everybody else in the thread..It is interesting to see the partial fractionation, but it seems like you all have a major leap to produce the clear amber lol I could give you the secret, but it wouldn't be fair ^.^ not to mention non competes and such.@gtpureweed. thanks for the tips once again.
I dont think my system runs subcritical.. I was running at 1k psi in extractor at 31c, and sep1 @ 400psi at 30c and sep2 @400psi at 26.c its hard to get lower seperator pressure cause under 5oopsi the seperators pressure stays unless i purge them manually when i start recovery. All i seemed to pull was ice, it was a true bummer, as i don't have interchangeability in my orifice i don't believe. I will just have to get my post processing skills down and work from there.
Is this a subcritical extraction? Looks like the right stuff to me, but not the blood red I was getting. That aspect might depend on the weed itself and the extraction conditions but your separation is perfect! I did get purple oil from purps. It was soo nice. Also, did you vac off all the terps? Sad face :( Can you get this?some of this?
Looking good, but still no amber. Where is this oil coming out of?? Cali?Subcritical...oil in one separator...dry wax/crumble in the other. But it's gonna depend on the CO2 system, not all systems are designed the same.
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