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Advantages and disadvantages of molecular distillation
Short path distillation
, is also known as molecular distillation or short range molecular distillation, which is a relatively new separation technique, and be considered as the safest means of separation for purifying thermally unstable substances with other related compounds that have elevated boiling point and low volatility, Such as cbd oil,vitamins,clove oil,fish oil,ginger oil, etc. -
The advantages of molecular distillation
1. Short residence time of the feed liquid
Rotating scraper push the material on the heating surface and the material liquid spiraling continuously moves down and escape from the heating surface, the material which is separated escape from the heating surface was quickly collected by condenser cooling, this method has to minimize the contact time of material and heating surface.
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Successfully eliminates the thermal decomposition, polymerization, or metamorphic.
2. Low evaporation temperature
Under high vacuum degree, short path distillation equipment
through material liquid distributor and rotating scraper to make material be uniform distribution on the heating surface, reducing the pressure difference which is generated on material static liquid surface.As the result the volatile will evaporates. The vapour will be condensed in separate condenser and the liquid will be drawn as heavy product or goes to the next stage. This process is an efficient thermal separation technique with minimum product decomposition and maximum product quality.
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3. Without boiling bubbling
Short path molecular distillation
is the free evaporation on the surface of the liquid layer, which is carried out under low pressure. Since there is no dissolved air in the liquid, the entire liquid cannot be boiled during the distillation, so without bubbling.4. Non-toxic, harmless, non-polluting, no residue, can get pure and safe products.
Molecular distillation process
is an efficient thermal separation technique with minimum product decomposition and maximum product quality. So most suitable used for the extraction of cbd oil or natural health products, etc. It can get rid of the shackles of chemical treatment methods and truly maintain the natural characteristics. -
5. High efficiency evaporation, strong adaptability, easy operation
Rotating scraper makes the material be uniform distributed on heating surface as a film, the liquid film always maintain high turbulence state, which accelerates the heat transfer to reduce the heat loss.
Simple structure, convenient cleaning, freedom of start-up and shut-down, suitable for many varieties, discontinuous small chemical production.
Disadvantages of molecular distillation equipment
Compared with traditional distillation equipment, the price of molecular distillation equipment
is much higher.During operation, you must ensure the high vacuum degree achieved by the system pressure. High material sealing requirements, and the distance between the evaporation surface and the condensation surface should be moderate, resulting in equipment processing is difficult.
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All these decided the high price of molecular distillation equipment.
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