Principle of molecular distillation:

Molecular distillation is a special liquid-liquid separation technology, which is different from the traditional distillation principle according to boiling point difference. It depends on the difference of molecular mean free path to separate different matters. Molecular mean free path means the path between a molecule striking two times. When the mixture liquid flows along the heating board and is heated, light and heavy molecule will become into vapor phase. Light and heavy molecule will have different moving distance when they are in vapor phase because they have different mean free path. Supposing that we put a condensation board at the proper position, light molecule can reach the board and will be condensed, then be guided along the condensation board; while the heavy molecule can not reach the condensation board and will be guided along the heating board. In this way, the objective of separation has been made.

Application of molecular distillation:
Molecular distillation, also called short-path distillation, is particularly useful in isolating components of heat-sensitive liquids or in separating substances with very high boiling points.

Characteristics of molecular distillation technology:
It is an advanced, new and high separation technology, which has following advantages:
1. Operation temperature is low (lower than boiling point), with reduced pressure (lower than 1Pa), heating time is short (several seconds) and the efficiency of separation is high.
2. Removing odor , color and impurities of mixture.
3. The course of separation is physical, preventing separated matter from pollution, especially keeping original quality of natural extraction.
4. The separation degree is higher than the traditional distillation.

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