Use of Population Balance Modelling to Derisk Scale-Up of an Integrated Crystallization–Wet Milling Process

IF 3.1 3区 化学 Q2 CHEMISTRY, APPLIED
Tamar Rosenbaum, Andrew Werneth, Shasad Sharif, Troy Wilkens, Benjamin Cohen, Joshua D. Engstrom, Antonio C. Ferretti, Yash Melkeri
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Abstract

Control over the particle size distribution (PSD) of the active pharmaceutical ingredient in the crystallization process is of key importance. Sometimes, it can be challenging to control the PSD to the target value via optimization of the crystallization process alone; in these scenarios, high shear wet milling is often utilized to reduce PSD. Much work has been done developing scaling parameters to be able to robustly scale-up wet milling processes and consistently achieve target PSD at the plant/commercial scale. While different scaling parameters have had good success with guiding scale-up of terminal wet milling processes, wet milling while crystallization is ongoing (i.e., integrated crystallization and wet milling; iCWM) introduces additional complexity to the system, as it couples scale-independent growth with scale-dependent milling and is therefore more difficult to scale-up in a reproducible manner. Herein, we present how population balance modeling of an iCWM process indicated that mill size and batch size, in addition to wet mill tip speed, had a large impact on final PSD. The model predictions can be used to guide selection of wet mill tip speed in order to maintain consistent PSD across different batch sizes and mill sizes.

Abstract Image

利用种群平衡模型来降低结晶-湿磨一体化工艺放大的风险
在结晶过程中,有效药物成分的粒径分布(PSD)的控制至关重要。有时,仅通过优化结晶过程来控制PSD到目标值是具有挑战性的;在这些情况下,通常采用高剪切湿式铣削来降低PSD。为了能够稳定地扩大湿磨工艺的规模,并在工厂/商业规模上始终如一地实现目标PSD,已经做了大量的工作来开发结垢参数。虽然不同的结垢参数在指导末端湿磨工艺的规模化方面取得了良好的成功,但在结晶过程中进行湿磨(即结晶和湿磨一体化;iCWM给系统带来了额外的复杂性,因为它将规模无关的生长与规模相关的磨矿结合在一起,因此更难以以可复制的方式扩大规模。在此,我们展示了iCWM过程的种群平衡建模如何表明磨机尺寸和批大小,以及湿磨机尖速度,对最终PSD有很大影响。该模型预测可用于指导湿磨尖速度的选择,以保持一致的PSD跨越不同的批尺寸和磨机尺寸。
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来源期刊
CiteScore
6.90
自引率
14.70%
发文量
251
审稿时长
2 months
期刊介绍: The journal Organic Process Research & Development serves as a communication tool between industrial chemists and chemists working in universities and research institutes. As such, it reports original work from the broad field of industrial process chemistry but also presents academic results that are relevant, or potentially relevant, to industrial applications. Process chemistry is the science that enables the safe, environmentally benign and ultimately economical manufacturing of organic compounds that are required in larger amounts to help address the needs of society. Consequently, the Journal encompasses every aspect of organic chemistry, including all aspects of catalysis, synthetic methodology development and synthetic strategy exploration, but also includes aspects from analytical and solid-state chemistry and chemical engineering, such as work-up tools,process safety, or flow-chemistry. The goal of development and optimization of chemical reactions and processes is their transfer to a larger scale; original work describing such studies and the actual implementation on scale is highly relevant to the journal. However, studies on new developments from either industry, research institutes or academia that have not yet been demonstrated on scale, but where an industrial utility can be expected and where the study has addressed important prerequisites for a scale-up and has given confidence into the reliability and practicality of the chemistry, also serve the mission of OPR&D as a communication tool between the different contributors to the field.
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