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2008 | 10 | 1 | 60-65

Article title

Size-dependent growth kinetics of vitamin C crystals in water solutions of L(+)-ascorbic acid with the addition of methanol and ethanol

Content

Title variants

Languages of publication

EN

Abstracts

EN
Growth kinetics of vitamin C crystals during the batch mass crystallization process in L(+)-ascorbic acid - methanol - ethanol - water system was determined. The linear growth rate values were estimated on the basis of the product crystal size distributions. The kinetic model of the continuous process in a MSMPR crystallizer was adopted for the batch mode description according to Nyvlt's conception, taking the sizedependent growth (SDG) rate effects into consideration. The kinetic parameter values were determined with a Rojkowski hyperbolic SDG model. A good compatibility between the experimental product crystal population density distributions and the SDG model predictions was observed. The interpretation of the kinetic data was presented and discussed.

Publisher

Year

Volume

10

Issue

1

Pages

60-65

Physical description

Dates

published
1 - 1 - 2008
online
3 - 4 - 2008

Contributors

  • Faculty of Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
  • Department of Chemical & Process Engineering, Silesian University of Technology, M. Strzody 7, 44-101 Gliwice, Poland
  • Faculty of Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
  • Faculty of Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

References

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  • Nývlt, J., Söhnel, O., Matuchová, M. & Broul, M. (1985). The kinetics of industrial crystallization. Prague, Czech Republic: Academia.
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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_v10026-008-0015-5
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