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Model-based optimal strategies for controlling particle size in antisolvent crystallization operations

机译:基于模型的优化策略,用于控制反溶剂结晶操作中的粒径

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摘要

In this paper, a model-based optimal strategy is presented for the control of particle size in antisolvent crystallization. Size is controlled on demand by dynamic optimization using a population balance based model. Knowledge of the ternary solute-solvent-antisolvent equilibrium and crystallization kinetics is crucial in this strategy, and these are thus incorporated in the model. The optimization is capable of determining the optimal antisolvent feed profile that achieves a desired particle size. Experimental validation of the strategy is carried out and presented herein. Such a strategy stands as a key solution to antisolvent operations ubiquitous in the pharmaceutical and fine chemicals industries.
机译:本文提出了一种基于模型的优化策略,用于控制反溶剂结晶过程中的粒径。使用基于人口平衡的模型通过动态优化按需控制大小。在此策略中,对三元溶质-溶剂-反溶剂平衡和结晶动力学的了解至关重要,因此将它们纳入模型中。该优化能够确定实现所需粒度的最佳抗溶剂进料特性。对该策略进行了实验验证,并在此处进行介绍。这种策略是制药和精细化工行业中普遍存在的反溶剂操作的关键解决方案。

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