Modified Roller Compaction Model to Account for Roll Speed Effect on Powder Compaction in Dry Granulation Process.

Area of Science:

• Pharmaceutical Engineering
• Chemical Engineering
• Materials Science

Background:

• Roller compaction is crucial for dry granulation in pharmaceutical manufacturing.
• Existing models often lack accuracy at higher roll speeds.
• Understanding roll speed effects is key for process optimization.

Purpose of the Study:

• To modify the Sousa et al. roller compaction model.
• To incorporate the influence of roll speed on powder compaction.
• To improve prediction accuracy for dry granulation processes.

Main Methods:

• Literature data validation of the modified roller compaction model.
• Application of the model to a pharmaceutical formulation.
• Integration with gPROMS for sensitivity analysis and design space exploration.

Main Results:

• The modified model shows enhanced prediction accuracy, particularly at higher roll speeds.
• Validation with literature data confirms improved performance over the original model.
• Demonstrated applicability in an industrial pharmaceutical context.

Conclusions:

• The enhanced roller compaction model provides better predictions for dry granulation.
• The model is a valuable tool for pharmaceutical process optimization and scale-up.
• Offers practical insights for decision-making in manufacturing settings.