Molecular Distillation

Molecular Distillation

Molecular distillation is a process that involves short-path distillation that undergoes at a low-pressure vacuum.

Distillation in simple terms is a method used in purifying a liquid base by constantly boiling it and condensing its fumes. This process brings out sufficient heat and cook that captures the distillation process and evaporated the resulting hot fumes and collects the condensed vapours. This method of separation, boiling and distillation does not include any chemical reaction but is interrelated to physical unit or separation. Distillation is one of the most important processes in terms of the identification and purification of organic compounds. This process also involves different other types of ways, a few of which consists of molecular distillation. Let’s understand more about this process.

Molecular distillation is a process that involves short-path distillation that undergoes at a low-pressure vacuum. The distillation process is also used for the purification, separation, and for concentration of the standard natural products. Mostly, by many, it is used on thermally sensitive molecules. Molecular distillation is one of the best processes to use for molecules caused due to short exposure to high temperatures. If the molecules are in a liquid form, the fluid, on the other hand, get a free molecular flow. This flow is used to convert them in the form of gas. Generally, during this part of the stage, the pressure involved in the evaporation column is lowered. This, in turn, allows evaporation to take place without any pressure.

[:en]Falling film evaporator[:de]Fallfilmverdampfer[:]

Materials processed

It can vary in various pieces of nourishment production, which also is reasonable for isolation warmth delicates and other useful oxidation materials. A few of the applications include the following:

  • Obtainment of Amide
  • Omega‐3 Fatty Acids
  • Extraction of Monoglycerides
  • Fat Extraction
  • Extracting Tocopherols From Soya Sludge
  • Lactic Acid Production
  • Carotene Extraction

Basic Operating Principle

What involves in the process is the difference in the evaporation rate of every component in the feed liquid that can be used to differentiate the liquid mixture. Let’s look into the Basic Operating Principle

  • Diffusion of molecules from the main body of the liquid phase
  • Free evaporation of molecules on the surface of the liquid layer
  • Molecules flying from the evaporation surface to the condensation surface
  • The molecules condense on the condensing surface

Types of molecular distillation

There falls out to be typically two types of molecular distillation that are falling film and Centrifugal. The degree of recovery and factors involved in the performance of the molecular distillation like the feed flow rate, residence time, process temperature display each type of the molecular distillation enabling it to operate under a given residence time and temperature.

Molecular Distillation


[:en]Case Study - Falling film evaporator[:de]Fallstudien - Fallfilmverdampfer[:]
Using a Falling Film Evaporator with a Thin Film Evaporator to reduce energy and capital costs
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