Sodium sulfate crystallisation monitoring using IR Thermography

Show simple item record Vazquez, P. Thomachot-Schneider, C. Mouhoubi, K. Bodnar, J-L. Avdelidis, N. P. Charles, D. Benavente, D. 2018-02-01T15:38:01Z 2018-02-01T15:38:01Z 2018-01-11
dc.identifier.citation P. Vazquez, C. Thomachot-Schneider, K. Mouhoubi, et al., Sodium sulfate crystallisation monitoring using IR Thermography. Infrared Physics and Technology, Volume 89, March 2018, Pages 231-241 en_UK
dc.identifier.issn 1350-4495
dc.description.abstract In this work, the evaporation of sodium sulfate droplets with different concentrations and at different temperatures were studied using infrared thermography (IRT). IRT allows to detect the evaporation evolution, the crystal growth and for the first time, to observe in vivo the heat release related to sodium sulfate crystallisation. A detailed study revealed that dendritic Thenardite III crystals appeared at the edge of all the crystallised droplets, though they showed a fast increase of temperature related to crystallisation only when a hydrated phase crystallised also from the droplet. The observation of the heat of crystallisation is thus directly related to the supersaturation of the droplet and consequently to temperature. In addition, IRT detection is circumscribed by the location of crystallisation. The heat can be observed and measured only when the crystallisation occurs in the interface solution – air. en_UK
dc.language.iso en en_UK
dc.publisher Elsevier en_UK
dc.rights Attribution-NonCommercial-NoDerivatives 4.0 International *
dc.rights.uri *
dc.subject Sodium sulfate en_UK
dc.subject Infrared thermography en_UK
dc.subject Crystallisation en_UK
dc.subject Heat release en_UK
dc.subject Supersaturation en_UK
dc.title Sodium sulfate crystallisation monitoring using IR Thermography en_UK
dc.type Article en_UK

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