An Efficient, Cost-Effective, Continuous Polymer Purification Method

This continuous polymer precipitation system has the potential to revolutionize the way polymer solutions are purified, making the process more efficient, cost-effective, and sustainable.


Polymer precipitation is a crucial process in chemical engineering and is widely applicable to many industries including semiconductors, pharmaceuticals, and wastewater treatment. In many industries, batch polymer precipitation is a common technique for polymer purification. However, batch polymer precipitation is an arduous and inefficient process, which generates excess solvent waste. It is labor-intensive, time-consuming, and demanding. We have designed a more optimal method to purify polymers by removing residual monomers and impurities from polymer solutions using continuous polymer precipitation. Continuous polymer precipitation allows for ease in scale-up of polymer purification and would provide significant energy and cost savings. Furthermore, while batch polymer precipitation requires several additional steps to get back to the same original polymer solution, this novel continuous process eliminates several steps and significantly decreases processing time. Thus, our continuous system is efficient, significantly reduces impurities in polymer solutions, and provides a viable, cost-effective alternative to batch polymer precipitation.

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