Simulation and Empirical Studies of Solvent Evaporation Rates in Vacuum Evaporation Crystallization

Arshe Said*, Marjatta Louhi-Kultanen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
282 Downloads (Pure)


Simulation results for continuous vacuum evaporation crystallization obtained by Aspen Plus and experimental results for semi-batch vacuum evaporation crystallization are presented. In the crystallization experiments, the fixed heat duty was used to compare the water evaporation rates and crystal properties obtained at different pressures. The solution selected was aqueous glycine. It has the ability to form a number of different crystalline polymorphs, which allows it to exhibit a variety of different physical properties while maintaining its chemical properties. X-ray diffraction results demonstrated that mainly the γ-crystal form is produced under the conditions applied in vacuum evaporation crystallization.

Original languageEnglish
Pages (from-to)1452-1457
Number of pages6
JournalChemical Engineering and Technology
Issue number7
Publication statusPublished - Jul 2019
MoE publication typeA1 Journal article-refereed


  • Evaporation rate
  • Glycine
  • Simulation
  • Vacuum evaporation crystallization


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