Crystallization Thermodynamic and Kinetic Behaviors of Vitamin C in Batch Crystallizer
摘要
The bench-scale cooling crystallization for ternary solution of L-ascorbic acid (Vitamin C) was studied.The solid-liquid phase diagram of Vitamin C-water-ethanol system was obtained on the basis of differential scanning calorimeter (DSC) curves. The heat of crystallization of Vitamin C was calculated with the aid of quantitative analysis. According to the population balance equation under unsteady state, the rates of nucleation and growth were determined. The parameters of crystallization kinetics equations were estimated by regression of experimental data. Crystal morphology and size were determined with x-ray diffraction and TA Ⅱ Coulter Counter.
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陈慧萍, 王静康. Crystallization Thermodynamic and Kinetic Behaviors of Vitamin C in Batch Crystallizer[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2000.
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