By Rose Ragsdale
For Metal Tech News 

Scientists find new way to recycle REE

By using plant cellulose to recover neodymium from e-waste Metal Tech News – December 1, 2021


Last updated 7/12/2022 at 1:21pm

recycling rare earth elements REE neodymium Pennsylvania State University

Kate Myers

Amir Sheikhi, Penn State assistant professor of chemical engineering, found a new process to separate and recycle rare earths using plant cellulose, an inexpensive renewable resource found in paper, cotton, and pulp, like the paper towel shown here. The vial contains the nanoparticles that are used to separate rare earths from old computers and circuit boards.

As rapidly advancing technology leaves behind printed circuit boards, old computers, obsolete televisions, and other electrical devices, mountains of electronic waste, or e-waste, being stockpiled around the world is becoming a major environmental concern.

Considered the fastest-growing waste stream in the developed world, scientists and policymakers worry that these end-of-life products are s...

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