L-Lysine evaporation process


Amino acid L-Lysine is used as a medicament as it is essential for human and animal nutrient. L-Lysine is produced by microbial fermentation in bioreactors and concentrated by evaporation.

Download our application note and learn how, by utilizing real-time concentration measurements by Vaisala Polaris™ Refractometer, pharmaceutical manufacturers can:


  • Control evaporation processes to a precise concentration level
  • Monitor fermentation reactions
  • Control crystallization
  • Control L-Lysine grade after crystallization
  • Control mother liquor feed during concentration in the by-product line
  • Control by-product concentrations
  • Measure final by-product concentration before storage

The application note explains in more detail the benefits of using refractive index in pharmaceutical manufacturing and why refractometer is ideal for L-Lysine production. The note also includes recommended installation points for best performance.

Download the application note (PDF) by filling the form.

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