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Olivia Salmon earned master of science degree in Civil and Environmental Engineering from Mines, December 2020. Thesis: “Impacts of Rare Earth Elements on Biological Wastewater Treatment Processes”
A HDD shredder designed to result in optimally shredded feedstock for acid-free dissolution and also minimize the amount of magnets attached to the cutters during shredding has been commissioned. Consequently, only ~60% of the original leaching time is required and a dissolution efficiency of ≥72% wt.% was obtained for HDDs.
Journal publication on the acid-free leaching process for recycling rare-earth elements and cobalt from waste magnet and e-waste materials is published and highlighted as a supplementary cover in ACS high impact journal
CMI research with lower-cost commercial grade cerium enhances performance and reduces cost in gap magnets. Also, the less costly “dirty” cerium samples showed as much as a 5% increase of both coercivity and magnetization, resulting in better energy product.
CMI research at Ames Laboratory demonstrated that mechanochemical preprocessing is beneficial for nitrogen insertion/topotactic extraction
Alice Hudson Professor of Chemistry, Division of Chemical and Biological Sciences
CMI research at Oak Ridge National Laboratory used first principles calculations to find large uniaxial magnetic anisotropy with magnetizations
CMI research at Ames Laboratory Achievement showed that at certain temperatures a cerium-based magnet matches the energy product of and exceeds the coercivity of neodymium permanent magnets
CMI research at Oak Ridge National Laboratory on energy-efficient concentration of lithium chloride recovered from geothermal brine