Welcome to Free Radical Process Design!
We're not Just Designing Processes. We're Designing a Future where Engineering and Sustainability Work in Harmony.

Transforming Industries with the RotowinnerTM

At Free Radical Process Design, we are proud to be a part of the movement towards a greener future. Founded by Dr. Ryno Pretorius, our pioneering technology development company is driven by a passion for innovation and sustainability. With our primary focus on commercializing the RotowinnerTM, our flagship patented electrowinning system, we aim to revolutionize industries by transforming metal recovery, mine influenced water treatment, water softening, and green hydrogen production.

One of our missions at Free Radical Process Design is to be at the forefront of driving innovation and sustainability. By harnessing the power of the RotowinnerTM electrowinning system, we strive to create transformative solutions that enable industries to operate more efficiently and responsibly. Through our commitment to research, development, and commercialization, we contribute to building a greener future for generations to come.

To achieve our mission, we identify problems that hamper human development and then create products that solve those problems effectively and sustainably.


What Sets Us Apart

At Free Radical Process Design, innovation for sustainability is at the core of our values. We constantly seek cutting-edge and eco-friendly solutions to address industry challenges, ensuring our technologies are resource-efficient and socially responsible.

The RotowinnerTM, our flagship system, exemplifies our dedication to excellence and innovation with its patented design and advanced features, offering superior performance and versatility across various applications.

We strongly believe in the power of collaboration, actively engaging with industry experts and research institutions to drive positive change collectively and accelerate technology adoption.

Innovation for Sustainability
The Rotowinner TM Advantage
Collaborative Approach
Continuous Innovation
Commitment to Excellence

About Us

The RotowinnerTM Technology

Our Services