Interests of associating different experimental techniques for the study of the evolution of divided solid-liquid solution systems

Pierre Gohar 1, 2 Michel Cournil 1, 2 Philippe Triboulet 1, 2 Guy Tournier 1, 2, 3
1 GENERIC-ENSMSE - Département Géochimie, environnement, écoulement, réacteurs industriels et cristallisation
2 SPIN-ENSMSE - Centre Sciences des Processus Industriels et Naturels
3 MICC-ENSMSE - Département Microsystèmes, Instrumentation et Capteurs Chimiques
Abstract : The evolution of liquid-solid systems by phenomena such as dissolution, nucleation, growth and agglomeration, is often described by means of only two variables : concentration of dissolved species and mean radius of the solid grains. But such a simplification may mask some important physical phenomena and is inadequate with models for which the knowledge of the size distribution is absolutely necessary. The correlations between the different kinds of results obtained from the use of three experimental techniques, possibly both being used simultaneously in the same reactor, make possible a more precise knowledge of the evolution of the liquid-solid system. Some examples of the use of these three techniques (conductometry of the liquid phase, turbidimetry, and sizing of particles by laser beam scattering) are presented for the water-potassium sulphate system.
Keywords : Growth and agglomeration Potassium sulphate Dissolution Nucleation
Type de document :
Article dans une revue
Analusis, EDP Sciences, 1987, 15 (8), pp.411-419
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https://hal-emse.ccsd.cnrs.fr/emse-00502533
Contributeur : Andrée-Aimée Toucas <>
Soumis le : jeudi 15 juillet 2010 - 11:22:17
Dernière modification le : mardi 23 octobre 2018 - 14:36:05

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  • HAL Id : emse-00502533, version 1

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Pierre Gohar, Michel Cournil, Philippe Triboulet, Guy Tournier. Interests of associating different experimental techniques for the study of the evolution of divided solid-liquid solution systems. Analusis, EDP Sciences, 1987, 15 (8), pp.411-419. 〈emse-00502533〉

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