• Amino acids
  • Ammonium sulphate
  • Penta-erythritole
  • Potassium sulphate
  • Lysine
  • Sodium salts
  • Sodium glutamate
  • Citric acid
  • Glycerine water

For the concentration and crystallization of the above-mentioned substances, usually multiple-effect falling film evaporators are used in a combination with crystallizers of different design (forced circulation crystallizer, Oslo crystallizer).


4-effect evaporation/crystallization plant with thermal vapor recompressor for different types of waste water, also waste water containing salt. Evaporation rate 14 t/hr, crystallization rate 800 kg/hr salt.

1 falling film evaporator effect I
2 falling film evaporator effect II
3 falling film evaporator effect III
4,16 forced circulation
evaporator/crystalizer
5-9 preheater

10 condenser
11 thermal vapor recompressor
12 feed tank
13 feed tank
14 condensate collection tank
15 centrifuge

A1-3 effluent
B concentrate
C vapor condensate
D live steam
E inert gas
F cooling water
G warm water
S salt