WVU study of rare earth elements moves to second phase
The U.S. Department of Energy’s National Energy Technology Laboratory has selected West Virginia University to move forward with its program to extract valuable rare earth elements, vital to the technology industry, from coal mining by-products.
WVU’s project, “Recovery of Rare Earth Elements from Coal Mine Drainage,” will develop a new, domestic source of rare earth elements that will be easily extracted, operate on already permitted sites and produce negligible, new waste materials. In fact, the process may emerge as a way for land owners to generate income from formerly mined properties.
“Mine drainage from abandoned mines is the biggest industrial pollution source in Appalachian streams,” said Paul Ziemkiewicz, director of West Virginia Water Research Institute and principal investigator on the project.
“As a result, lots of streams that were once ecologically dead, such as the Monongahela and Cheat Rivers, are now valuable recreational fisheries.
“When NETL announced its interest in rare earth recovery it became clear that the mine drainage could be an attractive feedstock for rare earth production. Our research has since focused on finding ways to capture this rare earth resource while incentivizing mine drainage treatment. This project will be a perfect fit to WVU’s mission to create economic opportunity for West Virginians.”
Ziemkiewicz, along with co-investigators Xingbo Liu, professor of mechanical engineering from the Statler College of Engineering and Mineral Resources at WVU and Aaron Noble, associate professor at Virginia Tech’s Department of Mining and Minerals Engineering, will install a small-scale, continuous extraction facility on the WVU campus.
“The economics of recovering rare earth elements from coal mine drainage appear favorable, and this project will give us the opportunity to develop and optimize the critical separation technologies that will enable commercial-scale production,” said Noble.
The research team will partner with Rockwell Automation to adapt their sensor and control technology and facilitate market readiness. Paul McRoberts and Pete Morell will represent Rockwell Automation on the project team. A global supplier of controls, the company will ensure the success of the project by providing solutions and support services to manage the complex components that will comprise the rare earth extraction process.
John Adams from the WVU Energy Institute will then develop a commercialization plan to move the technology into the marketplace.
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