Let’s check out just how the short path wiped film Rotary Evaporators works. Where other methods employ solvents to help the extract material move or flow through the process, these systems make use of the melting points of cannabinoids instead.
These compact systems are set up with a feed vessel sending extract material in to a heated evaporation vessel. Inside this evaporation vessel is actually a rotating wiper blade that evenly distributes the extract material to the vessel walls. The extract material only spends a brief amount of time on the wall to limit heat exposure as well as any degradation to the material.
The close proximity of the condenser towards the heated vessel wall offers a short path for your extract to go to. Hence the name, short path distillation process. Since the wiper system moves the extraction material down with the vessel, it evaporates for the condenser which converts it back to a liquid. This liquid will then be collected at the bottom and is also now a distillate.
Heavier material like the chlorophyll, sugars, salts, and wax fractions are unable to evaporate off of the surface of the evaporation vessel wall and in addition they travel, using the wiper blades, right into a separate container that is also in the bottom. Another and chilled evaporator captures the terpenes in their own individual flask.
The Short Path Distillation Process – The Short Path Distillation employs a setup that uses the identical principles, just with no wiper system to distribute the extraction material.
Instead, a heated flask is where the extraction material is fed. Gradually, increased heat is used to the extract material in the feed flask. A vacuum is additionally applied to assist in drawing the vapors up into the fractionating tubing. From the fractionating tubing the contents then hit the condensing tube, where fractions take separate paths.
Just like the wiped film process, the body weight of every fraction determines the collection flask.
To boost product refinement, each process can hold the extract material run through them several times. Like the wiped film process, this setup is also relatively compact and lends well to multiple devices working simultaneously in a smaller space.
Advantages of Short Path Distillation – Flavor and “experience” are clearly more consumer-centered advantages, however for producers, there are numerous more that are included with employing either a brief path distillation process or short path wiped film distillation process.
One particular production advantage is something called “continuous feed” which is great for making large quantities of product for prolonged amounts of time with greater consistency.
Where other extraction processes use heated beakers, continuous feed also allows for a larger level of scalability in your production which just isn’t a lot of a choice with batch mode stills.
High evaporation rates enable more distillates to get captured whilst the relatively low processing temperatures (130-180°C) bring about the truth that there aren’t any solvents required to move the extract material from the process.
Most importantly, this technique will separate cannabis into high concentrations of THC and CBD distillates. Actually, short path distillation can bring about cannabis distillates which can be 99% pure. So when you are attempting to create a pure CBD product, for example, going with the short path distillation process is one of the best methods you can use.
The compact form of short path distillation systems ensures they are an ideal choice to utilization in operations where large amounts of multiple strains must be extracted. Lastly, this equipment is easy to use and are largely automated within their function.
Isolate versus Full-Spectrum – Making use of the short path distillation or wiped film distillation process brings about pure isolates – whether that be THC, CBD, or any other cannabinoid or terpene you may be deciding to distill.
Isolates are definitely the purest and most potent kind of the compound, and they have some benefits like being completely odorless and tasteless. This is great if you work with these compounds in foods or beverages, as an example, as it will not change the taste by any means.
However, an increasing body of scientific research has found that full-spectrum extracts have several benefits over isolates. The multitude of compounds found in cannabis work together to form what’s referred to as entourage effect, which enhances the effectiveness of the medicinal properties.
Consequently, you may want to accept the pure isolates created from the short path distillation process and make use of reverse chromatography methods which will result in a full-spectrum extract. This can be especially useful uuubfc creating successful CBD products, as an example, since the end product can continue to have no traces of THC, and can have lots of the other beneficial compounds found in cannabis.
The beauty with using Molecular Distillation is you can isolate each specific compound, then combine them together in unique blends that can yield highly specific results. The number of choices are endless when you use technology as precise as short path distillation.