Development of a Novel Continuous Filtration Unit for Pharmaceutical Process Development and Manufacturing

Area of Science:

• Pharmaceutical Manufacturing
• Chemical Engineering
• Process Chemistry

Background:

• Continuous pharmaceutical manufacturing offers advantages over traditional batch processes.
• A gap exists in laboratory and pilot-scale continuous filtration and drying units for active pharmaceutical ingredients (APIs).
• Traditional batch Nutsche filtration limits advancements in small-scale pharmaceutical isolation.

Purpose of the Study:

• To develop and evaluate a continuous filter dryer prototype (CFD20) for small-scale API isolation.
• To compare the CFD20's performance against manual best practices in filtration and washing.
• To link API slurry attributes with equipment parameters for improved API isolation.

Main Methods:

• Development of a continuous filter dryer prototype (CFD20).
• Comparative performance evaluation against a modified Biotage VacMaster unit.
• Filtration characterization using Darcy's law and analysis of filtrate flow rate.
• Investigation of crystal size distribution and product purity using analytical methods.

Main Results:

• The CFD20 prototype demonstrated comparable filtration and washing performance to manual best practices.
• Continuous processing and real-time data logging capabilities were achieved with the CFD20.
• Filtration performance was successfully characterized, providing insights into API isolation.

Conclusions:

• The CFD20 prototype effectively bridges the gap in continuous filtration and drying for small-scale API manufacturing.
• The unit's performance validates its potential to enhance API isolation processes.
• Data gathered will inform further development of continuous manufacturing technologies.