Falling film melt crystallization (I): Model development, experimental validation of crystal layer growth and impurity distribution process

▸ A dynamic model was developed for the layer growth and impurity separation process. ▸ The separation effect of branched-porous crystal layer was well simulated by the model. ▸ The feed rate and cooling rate were the key operation parameters. ▸ The critical length had a linear dependence with the feed rate. ▸ The model displayed the industrialization capacity of FFMC for hyperpure product.