Towards a thermal treatment of coalescence inhibition in industrial solvent extraction
Résumé
In order to investigate the effect of a temperature rise on the coalescence kinetics ofemulsions resulting from solvent extraction (SX) operations, a characterization of relevantphysico-chemical properties of liquid-liquid extraction systems at temperatures ranging fromambiant (20°C) up to the flash point of the selected organic diluent (64°C) have been carriedout. This kind of data on real systems, using an organic phase typical of metal ions extraction,are not easily available in the litterature. Indeed, the influence of temperature on interfacialtensions has not been extensively studied on such specific extracting systems. The interfacialtension behaviours may be too complex to be explained, based on data from model solutions,because of the large interfacial tension dif
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