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Short Path CBD Oil Vacuum Wiped Film Distillation Machine

Short path distillation is also called Molecular Distillation. The mixture liquid is fed into distiller under high vacuum, immediately spread into a very thin film and forced quickly down the evaporation surface. Heated walls and high vacuum drive the lighter molecular components (distillate) to the internal condenser, and the heavy molecular components (residue) continue down the cylinder. Small amounts of low boiling compounds collect in cold trap upstream of vacuum system.

Our Short path distillation equipment is widely used to purify and concentrate CBD/THC in Crude Oil. During the distillation process, decolorization, solvent, chlorophyll, wax and fat removing, and most part of pesticide and heavy metal removing are also finishing at same time. After that, user will receive viscous golden CBD/THC oil.

Feed liquid is admitted into still under high vacuum, immediately spread into a very thin film and forced quickly down the evaporation surface. Heated walls and high vacuum drive the more volatile components (distillate) to the external condenser as the less volatile components (residue) continue down the cylinder. The resulting fractions, thus separated, exit through individual discharge outlets. Depending on application, the desired product is either the distillate or the residue fraction. Small amounts of condensable low MW compounds collect in cold trap upstream of vacuum system. For high solvent loads, an optional external condenser may be installed immediately downstream of the still.

Continuous distillation process.

Very low operating pressures up to 0.1Pa (100Pa=1mba). (The considerably lower pressure in the short path evaporator is obtained by the short distance for the vapours on their way from the evaporator surface to the condenser. )

The very low operating pressures ensure very low distillation temperatures and therefore a very gentle distillation is possible.

Short residence time. (Thanks to the short residence time, the low evaporation temperature and the immediate cooling of the concentrate, thermal stress and decomposition of the product can be minimized.)

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Suzhou Pharma Machinery Co., Ltd

                                         2021/7/30 

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