The increased investment in the facility comes as it is moving away from focusing on supplying rare earths for catalytic convertors, to instead focus on soaring demand for the magnets that are essential to electric car batteries, advanced electronics and defence systems.

For now the focus is on recycling rare earths that are already in Europe. "We think that we can probably produce 30% of the rare earths needed by Europe just by recycling end of life motors and other equipment," says Mr Kehren.

As demand continues to grow that will change, and more virgin material will be needed from countries such as Brazil, Canada and Australia.