Extraction is all about dissolving and or vibrating those molecules to free them into a mobile liquid solution to carry them away from the solid matter they were stuck in. Added heat increases vibration. In SCFE Super critical creates the same space between those molecules to make them mobile but at a much higher price. Super critical can be achieved with just about any solvent. It is not exclusive to CO2. It is a by product of CO2 being a sublimating solvent requiring high pressure to be effective.
The next factor is polarity which allows molecules with matching polarity that have an affinity for each other to bond just strong enough to come out together as they travel around and through plant matter and filters. The bond is weak enough to allow them to be freed apart with vibration again. Added heat. Vacuum does not create the same vibration as heat. Neither does Super Critical. It is a relative vibration. If you drew a line between frequencies vacuum would be on the other side than heat. In other words you cannot melt with a vacuum. You can melt with heat. However when using a loop process,,, by definitiion,,, you have to add time and then you can dissolve. So if the solvent and the thing you are trying to avoid match polarity added time will allow that solvent to dissolve that wax out. Hence the need to freeze that wax even more decreasing its vibratory state. But time with polarity will win if allowed enough time. So what do they do. Make it colder. WTF. Why not just avoid the time and increase production. If you are not looping then this is easy.
Cold freezes relative compounds and decreases vibration to avoid things, So does speed or low contact time. Heat frees melts and increases a solvents ability to dissolve more quickly decreasing contact time for faster extractions. It is all very dynamic but one thing is for sure. IF you cannot control time temp and polarity it is like having a car missing a break, throttle or transmission. And if you dont have a properly designed system it is missing the engine and the fuel. When I say control I mean use them when you need them and shut them off when you need them to be off.
I've used the Tamisium TE-175's and agree that it is a well made system, but failed to observe an edge it might have on a Lil Terp, or Sweetleaf.
I confess to never having run a BHOgart passively for comparison.
As you bring up polarity, temperature, and vacuum, may we look at that in more detail?
Theories aside, our playing field is using butane with a dielectric constant of around 1.4 and propane at around 1.6, changes in mixture don't make a huge difference in polarity.
Since ya'll have studied it so extensively, will you share the dielectric constants of the mono and diterpenes involved that demonstrate your point?
For the purpose of this discussion, I do know that Terpineol has a dielectric constant of around 2.7, Limonene around 2.3 and Pinene around 2.7.
Paraffin is about 2.1 to 2.5, candalilla plant waxes at 2.5 to 2.63, and carnauba plant waxes at 2.9.
https://www.kabusa.com/Dilectric-Constants.pdf
With dielectric constants clustered so close together and the polarity of butane and propane solvents so close, it's hard for me to see profound effects in selectivity.
Whether the molecules are vibrating in place or skittering around like a cut calf looking for an exit, heat clearly does increase molecular activity.
As the temperature drops, so does molecular activity, ceasing around zero kelvin. The higher boiling point constituents being the first to stop all activity, and the most sluggish in dissolving in a solvent at a given temperature.
What dropping the temperature during extraction does, is capitalize on this difference in dissolution rates, grabbing a higher ratio of the lower melting point constituents.
What reducing the atmospheric pressure does, is reduce the forces keeping the molecules from escaping the surface when they hit at varous angles, instead of ricocheting off it it, like they do the sides and bottom of the container.
There is about 14.7 pounds per spare inch of atmospheric pressure at sea level, preventing bubbles of vapor from forming and escaping the surface.
Saying it differently, it takes 14.7 psi less energy on the part of the molecule, if you take away the atmospheric pressure suppressing it, so it boils at a temperature closer to its melt point, vis a vis boiling point under standard conditions.
I admire someone who believes in his product, especially if they can support their opinions with hard data enlightening the rest of us'ns kindred spirits, sooo I'll do my part to support your effort by starting a separate thread, that doesn't clutter up a thread comparing BHOgart and Sweetleaf.
Instead, I'll start a thread comparing Tamisium and a Lil Terp, passive system, where perhaps the comparison is more direct, and you can point out how your system is better and more effective.
May we agree that the fish trap exists only for the fish, so may we also agree that the measure should be of the fish, caught in a safe sane manner?