Let’s take a look at the way the short path wiped film Rotary Evaporators works. Where other methods employ solvents to assist 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 into a heated evaporation vessel. Inside this evaporation vessel is a rotating wiper blade that evenly distributes the extract material to the vessel walls. The extract material only spends a brief period of time on the wall to limit heat exposure and any degradation to the material.
The close proximity of the condenser to the heated vessel wall offers a short path for your extract to travel to. Hence the name, short path distillation process. As the wiper system moves the extraction material down through the vessel, it evaporates for the condenser which converts it back to your liquid. This liquid will be collected at the bottom and is also now a distillate.
Heavier material like the chlorophyll, sugars, salts, and wax fractions are not able to evaporate off of the top of the evaporation vessel wall and in addition they travel, via the wiper …