CMI Project 1.1.12: Critical material recovery from ores and lean sources Research Highlights

Treatment of phosphoric acid sludge for economic recovery of rare earths

CMI researchers from FIPR Institute and Oak Ridge National Laboratory conducted the research for this highlight.

two glass containers with contents labeled, left is separated liquid and right is separated solid

Vital rare earth mineral monazite understanding achieved jointly through theory and experiment

CMI researchers from Oak Ridge National Laboratory and Arizona State University conducted the research for this highlight.

Comparison of the predominant facets for a predicted and synthesized lanthanum-monazite particle.

Synthesis of large monazite crystals

CMI researchers from Oak Ridge National Laboratory conducted the research for this highlight.

image of synthetic La-monazite approximately 5 mm across

Breakthrough in valorization of phosphoric acid sludge

CMI researchers from Florida Industrial and Phosphate Research Institute (FIPR Institute) and Oak Ridge National Laboratory conducted the research for this highlight.

Fluoride control enables REE recovery from bastnaesite

CMI researchers at Colorado School of Mines lead the activity for this highlight

Vital rare-earth mineral monazite understanding achieved jointly through theory and experiment

CMI researchers at Oak Ridge National Laboratory and Arizona State University conducted the research for this highlight

Insights from molecular recognition inform rare-earth mineral beneficiation

CMI researchers at Oak Ridge National Laboratory conducted the activity for this highlight

images depict three ligands on bastnäsite-[100] with explicit solvation Bottom: Comparison of a ligand’s methyl orientation angle as measured by SFG spectra and predicted by DFT simulation for a studied ligand

Phosphoric acid sludge a potential source of rare earths

CMI researchers at Oak Ridge National Laboratory and the Florida Industrial and Phosphate Research Institute (FIPR Institute) conducted the activity for this highlight

Bench-scale, continuous-flow decanter centrifuge used to continuously recover high-quality phosphoric acid and rare-earths containing solids

CMI workforce development highlight: Philip Keller, PhD

CMI researchers at Colorado School of Mines conducted the research for this highlight

Graphitization process gets even more efficient

CMI researchers at Oak Ridge National Laboratory conducted the research for this highlight

Raman Spectra of as-received hard carbon and electrochemically graphitized carbon showing the successful transformation of amorphous carbon to graphite.