Crystal Growth Rates and Dispersion for D-Fructose from Aqueous Ethanol

Flood, Adrian E., Johns, M. R. and White, E. T. (2000) Crystal Growth Rates and Dispersion for D-Fructose from Aqueous Ethanol. AIChE, 46 2: 239-246. doi:10.1002/aic.690460204


Author Flood, Adrian E.
Johns, M. R.
White, E. T.
Title Crystal Growth Rates and Dispersion for D-Fructose from Aqueous Ethanol
Journal name AIChE   Check publisher's open access policy
ISSN 0001-1541
Publication date 2000-02
Sub-type Article (original research)
DOI 10.1002/aic.690460204
Volume 46
Issue 2
Start page 239
End page 246
Total pages 8
Place of publication New York
Publisher Elsevier
Collection year 2000
Language eng
Subject C1
670199 Processed food products and beverages not elsewhere classified
290699 Chemical Engineering not elsewhere classified
Abstract The growth of fructose crystals from aqueous ethanolic solutions was studied using a 1-L seeded batch crystallizer. The growth kinetics were found to linearly depend on the relative supersaturation of the crystallizing tautomer (beta-D-fructopyranose). The growth-rate constant increased slightly with increasing temperature and increasing solvent ethanol content. The growth rates are lower than those for aqueous solutions of comparable supersaturations. Fructose displays significant growth-rate dispersion (q = 0.35) when crystallized from aqueous ethanolic solutions. The growth-rate dispersion is independent of solvent composition and temperature within the range studied, although it is slightly higher than is seen in crystallization from aqueous solutions.
Keyword Engineering, Chemical
Crystallization
Mutarotation
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemical Engineering Publications
 
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Created: Tue, 10 Jun 2008, 12:09:31 EST