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Foam-based crystal growth control

Authors
Journal
Powder Technology
0032-5910
Publisher
Elsevier
Publication Date
Volume
157
Identifiers
DOI: 10.1016/j.powtec.2005.05.010
Keywords
  • Crystallization
  • Cryo-Concentration
  • Micro-Reactors
  • Foam Cells
  • 3D Structuration
Disciplines
  • Mathematics

Abstract

Abstract We present results concerning the control of granulometry of crystals obtained by crystallization in a pre-formed aqueous supersaturated solution. This solution is first structured as a gas–liquid dispersion, consisting in an adjacent polyedric cells system, separated by thin liquid walls, each Plateau border, acting as a micro-reactor for crystallization. This structuration permits the size limitation of crystals formed, produced in a quasi-monomodal granulometry repartition. It has been possible to relate the mean granulometric characteristics to three dimensional parameters representative of the foam internal geometry, and to elaborate a model for the prediction of the granulometric repartition of crystals formed within the foam.

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