NDLI: Kinetics of nucleation and growth of L-sorbose crystals in a continuous MSMPR crystallizer with draft tube: Size-independent growth model approach

Content Provider	Springer Nature Link
Author	Wierzbowska, Bogusława Piotrowski, Krzysztof Koralewska, Joanna Hutnik, Nina Matynia, Andrzej
Copyright Year	2009
Abstract	The experimental data concerning kinetics of a continuous mass crystallization in L-sorbose - water system are presented and discussed. Influences of L-sorbose concentration in a feeding solution and mean residence time of suspension in a working volume of laboratory DT MSMPR crystallizer on the resulting crystal size distributions, thus on the nucleation and growth kinetics, were determined. The kinetic parameter values were evaluated on the basis of size-independent growth (SIG) kinetic model (McCabe’s ΔL law). It was observed that within the investigated range of crystallizer productivity (220–2,200 kg of L-sorbose crystals m$^{−3}$ h$^{−1}$), a crystal product of mean size Lm from 0.22 to 0.28 mm and CV from 68.8 to 44.0% was withdrawn. The values of linear growth rate show increasing trend (from 6.6·10$^{−8}$ to 7.6·10$^{−8}$ m s$^{−1}$) with the productivity enlargement (assuming constant residence time τ=900 s). Occurrence of secondary nucleation phenomena within the circulated suspension, resulting from the crystals attrition and breakage was observed. The parameter values in a design equation, matching linear growth rate and suspension density with nucleation rate were determined.
Starting Page	175
Ending Page	181
Page Count	7
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	26
Issue Number	1
e-ISSN	19757220
Language	English
Publisher	Springer US
Publisher Date	2009-01-28
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	L-Sorbose Continuous Mass Crystallization Water Solution Draft Tube (DT) Crystallizer Size-independent Growth (SIG) Kinetic Model Biotechnology Materials Science Catalysis Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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