Three modes of laboratory cannabis short-path distillation equipment
Release Time:
2022-12-05
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1. Molecules diffuse from the liquid phase body to the evaporation surface:
Usually, the diffusion speed in the liquid phase is the main factor controlling the molecular distillation speed, so the thickness of the liquid layer should be reduced as much as possible and the flow of the liquid layer should be strengthened.
2. Free evaporation of molecules on the surface of the liquid layer:
The evaporation rate increases with the increase of temperature, but the separation factor sometimes decreases with the increase of temperature. Therefore, an economical and reasonable distillation temperature should be selected on the premise of the thermal stability of the processed substance.
3. Molecules fly from the evaporation surface to the condensation surface:
In the process of flying from the evaporating surface to the condensing surface, the steam molecules may collide with each other, or collide with the remaining air molecules between the two surfaces. Because evaporated molecules are much heavier than air molecules, and most of them have the same direction of motion, their own collisions have little effect on the direction of flight and evaporation speed. The residual gas molecules are in a chaotic thermal motion state between the two sides, so the number of residual gas molecules is the main factor affecting the flying direction and evaporation speed.
Three modes of laboratory cannabis short-path distillation equipment
1. Molecules diffuse from the liquid phase body to the evaporation surface:
Usually, the diffusion speed in the liquid phase is the main factor controlling the molecular distillation speed, so the thickness of the liquid layer should be reduced as much as possible and the flow of the liquid layer should be strengthened.
2. Free evaporation of molecules on the surface of the liquid layer:
The evaporation rate increases with the increase of temperature, but the separation factor sometimes decreases with the increase of temperature. Therefore, an economical and reasonable distillation temperature should be selected on the premise of the thermal stability of the processed substance.
3. Molecules fly from the evaporation surface to the condensation surface:
In the process of flying from the evaporating surface to the condensing surface, the steam molecules may collide with each other, or collide with the remaining air molecules between the two surfaces. Because evaporated molecules are much heavier than air molecules, and most of them have the same direction of motion, their own collisions have little effect on the direction of flight and evaporation speed. The residual gas molecules are in a chaotic thermal motion state between the two sides, so the number of residual gas molecules is the main factor affecting the flying direction and evaporation speed.
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