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Rare Earth Elements×

Gd Uptake Experiments for Preliminary Set of Functionalized Adsorbents (With Content Model)

These data summarize adsorption experiments conducted with Gd in 0.5 M NaCl. Results represent preliminary, proof-of-concept data utilizing fine-powder silica gel as the adsorbent support. Future testing will focus on larger, application-appropriate beads.
Noack, C. Carnegie Mellon University
Jul 01, 2015
1 Resources
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Fluid Rare Earth Element Analyses from Wells RN-12 and RN-19, Reykjanes, Iceland

Results for fluid rare earth element analyses from Reykjanes wells RN-12 and RN-19. The data have not been corrected for flashing. Samples pre-concentrated using chelating resin with IDA functional group (InertSep ME-1). Analyzed using an element magnetic sector ICP-MS.
Fowler, A. and Zierenberg, R. University of California
Jul 24, 2015
1 Resources
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Brine Stability Study

This is a study of the brine formulations that we were using in our testing were stable over time. The data includes charts, as well as, all of the original data from the ICP-MS runs to complete this study.
Garland, G. Tusaar Corp.
Apr 15, 2015
6 Resources
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REE Sorption Study for Media #1 and Media #2 in Brine #1 and #2 at different Liquid to Solid Ratio's at Ambient Temperature

This data set shows the different loading capacities of Media #1 and Media #2 in a high and low salt content brine matrix at different liquid to solid ratio's. These data sets are shaker bath tests on media #1 and media #2 in brine's #1 and #2 at 500mL-.5g(1000-1 ratio), 150mL-.75...
Garland, G. Tusaar Corp.
Mar 27, 2015
9 Resources
0 Stars
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Sorption Capacity of Europium for Media 1 and Media 2 from Solution at Ambient Temperature

This dataset shows the capacity for Europium of media #1 and media #2 in a shakertable experiment. The experimental conditions were 150mL of 500ppm Eu solution, 2g of media, pH of 3.2, at ambient temperature.
Garland, G. Tusaar Corp.
Mar 16, 2015
2 Resources
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Dynamic Column Extraction for Europium on Media 1 at Ambient Temperature

This is a dataset for a 200ppm europium solution sent through a column with 12g of media #1 at pH of 3.2. This column experiment was run at ambient temperature at a flow rate of 2mL/min.
Garland, G. Tusaar Corp.
Apr 07, 2015
2 Resources
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Repetitive Regeneration of Media 1 after REE Sorption from Brine 1 at 70C

This dataset shows the ability of media #1 to be loaded with REE's, stripped of the REE's sequestered, regenerated, and reused over many cycles.
Garland, G. Tusaar Corp.
Jul 23, 2015
3 Resources
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REE Sorption Study of Seived 50 +100 Mesh Fraction of Media 1 in Brine 1 at Different Concentrations of REE at 70C

This dataset shows the sorption capacities of smaller grain size (-50 +100 mesh) of media #1 in brine #1 at different starting concentrations of REE's at elevated temperature of 70C. The experimental conditions are 2g of 50 +100 mesh media #1 to 150mL of REE solution at concentrat...
Garland, G. Tusaar Corp.
Jun 29, 2015
4 Resources
0 Stars
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Shaker Table Experiments with Rare Earth Elements Sorption from Geothermal Brine

This dataset described shaker table experiments ran with sieved 50 +100 mesh media #1 in brine #1 that have 2ppm each of the 7 REE metals at different starting pH's of 3.5, 4.5, and 5.5. The experimental conditions are 2g media to 150mL of REE solution, at 70C.
Garland, G. Tusaar Corp.
Jul 21, 2015
4 Resources
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Compilation of Rare Earth Element Analyses from US Geothermal Fields and Mid Ocean Ridge Hydrothermal Vents

Compilation of rare earth element and associated major and minor dissolved constituent analytical data for USA geothermal fields and global seafloor hydrothermal vents. Data is in original units. Reference to and use of this data should be attributed to the original authors and pu...
Fowler, A. University of California
Oct 01, 2015
1 Resources
0 Stars
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Repetitive Regeneration of Media #1 in a Dynamic Column Extraction using Brine #1

This data is from a regeneration study from a dynamic column extraction experiment where we ran a solution of REE's through a column of media #1 then stripped the REE's off the media using 2M HNO3 solution. We then re-equilibrated the media and repeated the process of running a RE...
Garland, G. Tusaar Corp.
Oct 14, 2015
4 Resources
0 Stars
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Rare Earth Element Sorption Study on sieved 50 +100 mesh fraction of Media 1 in Brine 1 with Different Starting pHs at 70C

This is a continuation of the rare earth element sorption study for shaker bath tests on 2g media #1 in 150mL brine #1 with different starting pH's at 70C. In a previous submission we reported data for shaker bath tests for brine #1 with starting pH's of 3.5, 4.5 and 5.5. In this ...
Garland, G. Tusaar Corp.
Sep 29, 2015
5 Resources
0 Stars
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Raft River Geothermal Field Well Head Brine Sample

Raw data and data workup of assay for real-world brine sample. Brine sample was taken at the well head.
Lanyk, T. Tusaar Corp.
Dec 18, 2015
2 Resources
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Column Sorption Uptake and Regeneration Study; Rare Earth Element Sorbent Uptake and Sorbent Stripping

Study of rare earth element (REE) uptake from geothermal brine simulant by column loading, metal recovery through stripping, and regeneration of column for re-loading. Simulated brine testing.
Lanyk, T. Tusaar Corp.
Dec 18, 2015
3 Resources
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Rare Earth Element Content of Thermal Fluids from Surprise Valley, California

Rare earth element measurements for thermal fluids from Surprise Valley, California. Samples were collected in acid washed HDPE bottles and acidified with concentrated trace element clean (Fisher Scientific) nitric acid. Samples were pre-concentrated by a factor of approximately 1...
Fowler, A. and Zierenberg, R. University of California
Sep 23, 2015
1 Resources
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Recovery of Rare Earths, Precious Metals and Other Critical Materials from Geothermal Waters with Advanced Sorbent Structures

The work evaluates, develops and demonstrates flexible, scalable mineral extraction technology for geothermal brines based upon solid phase sorbent materials with a specific focus upon rare earth elements (REEs). The selected organic and inorganic sorbent materials demonstrated h...
Addleman, R. et al Pacific Northwest National Laboratory
Sep 30, 2015
2 Resources
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Google Earth Locations of USA and Seafloor Hydrothermal Vents with Associated Rare Earth Element Data

Google Earth .kmz files that contain the locations of geothermal wells and thermal springs in the USA, and seafloor hydrothermal vents that have associated rare earth element data. The file does not contain the actual data, the actual data is available through the GDR website in t...
Fowler, A. University of California
Feb 10, 2016
2 Resources
0 Stars
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Magnetic Nanofluid Rare Earth Element Extraction Process Report, Techno Economic Analysis, and Results for Geothermal Fluids

This GDR submission is an interim technical report and raw data files from the first year of testing on functionalized nanoparticles for rare earth element extraction from geothermal fluids. The report contains Rare Earth Element uptake results (percent removal, mg Rare Earth Ele...
McGrail, P. Pacific Northwest National Laboratory
Mar 14, 2016
3 Resources
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Drill Cutting and Core Major, Trace and Rare Earth Element Analyses from Wells RN-17B and RN-30, Reykjanes, Iceland

Analytical results for x-ray fluorescence (XRF) and Inductively Couple Plasma Mass Spectrometry (ICP-MS) measurement of major, trace and rare earth elements in drill cuttings from geothermal wells in Reykjanes, Iceland. Total Fe was analyzed as FeO, therefore is not included under...
Fowler, A. and Zierenberg, R. University of California
May 01, 2015
1 Resources
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Drill Core Major, Trace and Rare Earth Element Analyses from Wells RN-17B and RN-30, Reykjanes, Iceland

Analytical results for X-ray fluorescence (XRF) and inductively coupled plasma mass spectrometry (ICP-MS) measurement of major, trace and rare earth elements in drill core from geothermal wells in Reykjanes, Iceland. Total Fe was analyzed as FeO, therefore is not included under t...
Fowler, A. University of California
Apr 01, 2015
1 Resources
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Fluid Rare Earth Element Analyses from Geothermal Wells Located on the Reykjanes Peninsula, Iceland and Middle Valley Seafloor Hydrothermal System on the Juan de Fuca Ridge.

Results for fluid rare earth element analyses from four Reykjanes peninsula high-temperature geothermal fields. Data for fluids from hydrothermal vents located 2400 m below sea level from Middle Valley on the Juan de Fuca Ridge are also included. Data have been corrected for flash...
Fowler, A. University of California
May 01, 2015
1 Resources
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Shaker Test Results Comparing Rare Earth Element Sorption Between Natural and Doped Simulated Geothermal Brine

Shaker test data comparing rare earth element (REE) sorption onto Tusaar media between one natural geothermal brine and two simulated brines doped with known mineral concentrations.
Stull, D. Tusaar Corp.
May 24, 2016
1 Resources
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Method to Recover Media Ligand Losses During Sorption of Rare Earth Elements from Simulated Geothermal Brines

This document describes the method and results of an in-situ experiment used to confirm that ligand bleed from a sorptive media can be contained. The experiment focused on maintaining the media's sorption of rare earth elements (REE) obtained from a simulated geothermal brine dop...
Stull, D. Tusaar Corp.
May 24, 2016
2 Resources
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In-Situ Process for Sorption and Stripping of Rare Earth Elements from Simulated Geothermal Brine

Description of a conceptual commercial process to remove rare earth elements (REEs) from geothermal brine, based on a small-scale laboratory experiment to load, strip, and regenerate a ligand-based media used to adsorb REEs from a simulated brine doped with known mineral concentra...
Stull, D. Tusaar Corp.
May 24, 2016
1 Resources
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Protocol for Regeneration of Ligand-Depleted Adsorption Media for Rare Earth Element Recovery from Geothermal Brine

Description of experimental protocol used to characterize the effectiveness of regenerating ligand-based adsorption media through the addition of ligands when media were previously depleted of ligands during use. Results of the effectiveness of this regeneration are also described.
Stull, D. Tusaar Corp.
May 24, 2016
1 Resources
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