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Rare Earth Elements×

Experimental Parameters Affecting Stripping of Rare Earth Elements from Loaded Sorptive Media in Simulated Geothermal Brines

May 24, 2016
247.65 kB
Publicly accessible
Experimental results from several studies exploring the impact of pH and acid volume on the stripping of rare earth elements (REEs) loaded onto ligand-based media via an active column. The REEs in this experiment were loaded onto the media through exposure to a simulated geother...
Authors
Stull, D. Tusaar Corp.
geothermalmediarare earth elementsmedia strippingphreemineral recoveryadsorptioncolumnelutionexperimentsimulated brinerare earth elementbrine study

Comparison of Rare Earth Element Sorption Between Fresh and Partially Loaded Media Using Simulated Geothermal Brine

May 24, 2016
249.24 kB
Publicly accessible
A study comparing the REE sorption characteristics of fresh ligand-based sorption media and media partially loaded with REEs when exposed to a simulated geothermal brine with known mineral concentrations, REE7. Sorption rates were tested using microcosm shaker tests. Results sugg...
Authors
Stull, D. Tusaar Corp.
geothermalsorptionrare earth elementsreemineral recoveryadsorptionloaded mediaexperimentremoval efficiencyraw dataph vs volume

Assessing REE Concentrations in Geothermal and Oil and Gas Produced Waters: A Potential Domestic Source of Strategic Mineral Commodities

Mar 08, 2019
11.78 MB
Publicly accessible
The project team collected and analyzed 224 water samples and 101 matching rock samples. INL's improved method of measuring aqueous REEs allows study of samples previously thought too volume limited to measure. The study found that aqueous REEs occur at trace levels in all analyz...
Authors
Quillinan, S. et al University of Wyoming
geothermalenergyreeoil and gasgeochemistryrare earth elementsproduced watertracerecoveryresourcecommoditymineralaqueousconcentrationspatialspatially-dependentvariablechemistrysamplingcoproducedproduced fluid