Research Articles
Pharmaceutical Processing with Supercritical Carbon Dioxide

https://doi.org/10.1021/js9700661Get rights and content

Abstract

Replacement of traditional solvents with “environmentally benign” carbon dioxide is receiving increased attention in pharmaceutical processing. Among the reported applications, particle formation with dense carbon dioxide and the “clean” synthesis of drug compounds using carbon dioxide as a reaction medium hold immense potential for largescale application in the pharmaceutical industry. This paper provides an overview of these rapidly emerging technologies along with examples of the wide variety of relatively contaminant-free pharmaceutical compounds that have been processed via these technologies on a laboratory scale. Challenges facing successful implementation in practice include demonstration of continuous production and harvesting of particles with desired and reproducible product characteristics. Mathematical models aimed at a better fundamental understanding of the underlying thermophysical phenomena are essential for rational design and scale-up of these technologies.

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