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Computer-Aided Flowsheet Simulation of a Pharmaceutical Tablet Manufacturing Process Incorporating Wet Granulation

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Abstract

In this work, a dynamic flowsheet model for the production of pharmaceutical tablets through a continuous wet granulation process is developed. The unit operation models which are integrated to compose the process line form a hybrid configuration which is comprised of a combination of mechanistic models, population balance models, and empirical correlations, based on the currently available process knowledge for each individual component. The main objective of this study is to provide guidance in terms of the necessary steps which are required in order to move from the unit operation level to the simulation of an integrated continuous plant operation. Through this approach, not only significant process conditions for each individual process are identified but also crucial interconnecting parameters which affect critical material properties of the processed powder stream are distinguished. Through the integration of the dynamic flowsheet with a final component of tablet dissolution, the connection of the processing history of a set of powders which undergo wet granulation and are contained in each produced tablet to the release rate of the pharmaceutical ingredient is enabled. The developed flowsheet is used for the simulation of different operating scenarios and disturbances which are often encountered during operation for the assessment of their effects towards critical material attributes, product properties, and the operation of further downstream processes. Simulation results demonstrate that granulation and milling which control the particle size distribution of the processed powder mixture highly affect the hardness and dissolution of the produced tablets.

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Acknowledgements

This work is supported by the National Science Foundation Engineering Research Center on Structured Organic Particulate Systems Grant NSF-ECC 0540855.

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Authors and Affiliations

  1. Rutgers, The State University, Piscataway, NJ, USA

    Fani Boukouvala, Anwesha Chaudhury, Maitraye Sen, Ruijie Zhou, Lukasz Mioduszewski, Marianthi G. Ierapetritou & Rohit Ramachandran

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  1. Fani Boukouvala
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  2. Anwesha Chaudhury
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  3. Maitraye Sen
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Correspondence to Rohit Ramachandran.

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Boukouvala, F., Chaudhury, A., Sen, M. et al. Computer-Aided Flowsheet Simulation of a Pharmaceutical Tablet Manufacturing Process Incorporating Wet Granulation. J Pharm Innov 8, 11–27 (2013). https://doi.org/10.1007/s12247-012-9143-9

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