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Tags: encrustation

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  1. Dynamic Modeling of Encrust Formation and Mitigation Strategy in a Continuous Plug Flow Crystallizer

    09 Jun 2023 | Contributor(s):: Majumder, Aniruddha, Nagy, Zoltan K.

    Encrustation, also known as fouling or scale formation, on the wall of plug flow crystallizers (PFC) can cause major operational and economic problems in pharmaceutical industries. These include increased energy requirements due to increment of thermal resistance and pressure drop, and clogging...

  2. API Continuous Cooling and Antisolvent Crystallization for Kinetic Impurity Rejection in cGMP Manufacturing

    09 Jun 2023 | Contributor(s):: Johnson, MD, Burcham, CLMay, SA, Calvin, JR, Groh, JM, Myers, SS, Webster, LP, Roberts, JC, Reddy, VR, Luciani, CV, Corrigan, AP, Spencer, RD, Moylan, R, Boyse, R, Murphy, JD, Stout, JR

    Crystallization of 204 kg of final active pharmaceutical ingredient was accomplished continuously using a cascade of mixed suspension mixed product removal crystallizers in cGMP manufacturing. This article describes the journey taken to transform a set of technical to final batch crystallizations...