Glycerol Evaporation

Glucerol evaporation control

Glycerin is produced organically by different methods and various synthesis processes.

Natural glycerin is obtained primarily as a co-product from the production of fatty acids and fatty esters, or soap from oils and fats. 
Oil hydrolysis results in fatty acids and sweetwater that contains 10–20% glycerol. Glycerin is received in transesterification of oil with methanol, in the presence of a catalyst.

Sweetwater or glycerin obtained as a co-product contains impurities and must undergo further purification and concentration, for example, by evaporation.

In-line Vaisala K-PATENTS® compact refractometer is used to measure the glycerin concentration in evaporation. Automatic control of the evaporator is possible by using the refractometer’s output signal.

Learn the details of the glucerin production process from the application note.

Download the application note in PDF by filling the form.

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Glycerol Evaporation

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