Impurity Distribution in a Solid-Liquid Interface during Static Layer Crystallization.
The impurity distribution inside crystalline layers in static layer crystallizations was explored theoretically and experimentally for a binary eutectic mixture of caprolactam and water. The impurity distribution in the layer is modeled by a mass balance equation coupled with an energy balance equation. The mass balance equation is established with a combination of the growth of the layer and the diffusional movement of impurity. The mathematical model was solved by a numerical method. The predictions are discussed with respect to the interfacial distribution coefficient, concentration, and temperature at the solid-liquid interface, crystalline layer thickness, and concentration of the layer. The impurity distribution obtained by the model was appropriately verified with the results obtained by the experiments.[1]References
- Impurity Distribution in a Solid-Liquid Interface during Static Layer Crystallization. Kim, K.J., Ulrich, J. Journal of colloid and interface science. (2002) [Pubmed]
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