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 From coal, a new source of rare earths
From coal, a new source of rare earths

8 Jul 2018 ... As global demand for rare-earth elements grows, the U.S. Department ... on coal-based materials with the highest concentrations of rare earths.

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 Rare Earth Elements in Alberta Oil Sand Process ... - OSTI.gov
Rare Earth Elements in Alberta Oil Sand Process ... - OSTI.gov

ABSTRACT: The concentrations of rare earth elements in Alberta, Canada oil sands and six oil sand waste streams were determined using Inductively Coupled...

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 (PDF) Concentration of rare earth elements from monazite by ...
(PDF) Concentration of rare earth elements from monazite by ...

This step improved the rare earth elements recovery in the precipitate from 90.2(1) and 101.68(3) %, while the impurities concentrations remained below 30 %.

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 REE - Rare Earth Elements - Metals, Minerals, Mining, Uses
REE - Rare Earth Elements - Metals, Minerals, Mining, Uses

Rare Earth Elements (REE) are becoming increasingly important in electronic ... is unusual to find them in concentrations high enough for economical extraction.

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 Relationship between concentration of rare earth elements in ...
Relationship between concentration of rare earth elements in ...

5 Jun 2018 ... Rare earth elements (REEs) are a group of elements whose concentration in numerous environmental matrices continues to increase;...

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 Uptake and Effects of Six Rare Earth Elements (REEs) on ...
Uptake and Effects of Six Rare Earth Elements (REEs) on ...

15 Jun 2015 ... Inhibition concentrations (IC25 and IC50) causing 25 or 50% reductions in plant biomass respectively, were measured. For the native species, the...

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 Magnetic Partitioning Nanofluid for Rare Earth Extraction from ...
Magnetic Partitioning Nanofluid for Rare Earth Extraction from ...

1 Extracting rare earth metals from geothermal brines is a very challenging problem due to the low (ppb) concentrations of these elements and engineering...

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 USA Rare Earth Successfully Completes Phase I Rare Earth ...
USA Rare Earth Successfully Completes Phase I Rare Earth ...

26 May 2020 ... Results Provide Baseline for the Pilot Plant Operation at USA Rare ... in commercial CIX applications separating low concentrations of metals...

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 REE - Rare Earth Elements - Metals, Minerals, Mining, Uses
REE - Rare Earth Elements - Metals, Minerals, Mining, Uses

Rare Earth Elements (REE) are becoming increasingly important in electronic ... is unusual to find them in concentrations high enough for economical extraction..algo-title-news{font-size:18px;font-weight:normal;color:#1603a1;line-height:23px;text-decoration:none} Rare-Earth Elements - USGS Publications Repository https://pubs.usgs.gov/pp/1802/o/pp1802o.pdf

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 The Occurrence and Concentration of Rare Earth Elements in ...
The Occurrence and Concentration of Rare Earth Elements in ...

1 Oct 2019 ... The Occurrence and Concentration of Rare Earth Elements in Acid Mine Drainage and Treatment Byproducts. Part 2: Regional Survey of...

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 What are rare earth elements? | Earth | EarthSky
What are rare earth elements? | Earth | EarthSky

21 Aug 2018 ... Most of us use rare earth elements every day – without knowing it. ... they're mostly sprinkled across the planet in relatively low concentrations.

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 Concentration and Separation of Heavy Rare-Earth Metals at ...
Concentration and Separation of Heavy Rare-Earth Metals at ...

The separation and concentration processes of heavy rare-earth metals—yttrium, ytterbium, erbium, and dysprosium—during stripping from the organic phase...

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 Concentration of rare earth elements from ... - IOPscience
Concentration of rare earth elements from ... - IOPscience

PAPER • OPEN ACCESS. Concentration of rare earth elements from monazite by selective precipitation. To cite this article: S M Xaba et al 2018 IOP Conf. Ser.

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 Separation and concentration of rare earth elements from ...
Separation and concentration of rare earth elements from ...

The energy consumption of ED processes using CC and CV modes was compared. Abstract. Rare earth elements (REEs) including Scandium (Sc) are critical raw...

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 Don't Panic about Rare Earth Elements - Scientific American
Don't Panic about Rare Earth Elements - Scientific American

31 May 2019 ... The 17 rare earth elements, which cluster near the bottom of the ... are jumbled together with many other minerals in different concentrations.

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 Rare earth elements: A review of applications, occurrence ...
Rare earth elements: A review of applications, occurrence ...

Environmental hazards including human health issues due to REE mining and large-scale dumping of e-waste containing significant concentrations of REE are...

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 Rare-earth element - Minerals and ores | Britannica
Rare-earth element - Minerals and ores | Britannica

The concentrations vary from hundreds to thousands of parts per million, and these muds may one day be a source of rare earths. The idealized chemical...

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 (PDF) Concentration of Rare Earth Elements in surface water ...
(PDF) Concentration of Rare Earth Elements in surface water ...

24 Sep 2020 ... PDF | The paper presents the results of analyses of the content of rare earth elements (REEs) in surface water and bottom sediment in the...

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 Rare Earth Elements - MIT
Rare Earth Elements - MIT

Rare earth elements occur in many minerals but typically in concentrations too low to be refined in an economical manner; the concentration of REEs in the...

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 Relationship between concentration of rare earth elements in ...
Relationship between concentration of rare earth elements in ...

5 Jun 2018 ... Rare earth elements (REEs) are a group of elements whose concentration in numerous environmental matrices continues to increase;....algo-title-news{font-size:18px;font-weight:normal;color:#1603a1;line-height:23px;text-decoration:none} The Occurrence and Concentration of Rare Earth Elements in ... https://link.springer.com/article/10.1007/s42461-01

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 Determination of rare earth elements concentration at different ...
Determination of rare earth elements concentration at different ...

Determination of rare earth elements concentration at different depth profile of Precambrian pegmatites using instrumental neutron activation analysis.

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 Concentration of heavy metals and rare earth elements in ...
Concentration of heavy metals and rare earth elements in ...

Inorganic elements have been associated with brain tumours for long. The blood concentration of 47 elements was assessed by ICP-MS in 26 brain tumour....algo-title-news{font-size:18px;font-weight:normal;color:#1603a1;line-height:23px;text-decoration:none} Aqueous Rare Earth Element Patterns and Concentration in ... https://gdr.openei.org/submissions/930

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 Rare Earth Elements - BIS - US Department of Commerce
Rare Earth Elements - BIS - US Department of Commerce

Rare Earth Elements (REEs), also called rare earth metals and rare earth ... A complex process that involves the separation and concentration of REEs from the...

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 10 Top Countries for Rare Earth Metal Production | INN
10 Top Countries for Rare Earth Metal Production | INN

26 May 2020 ... China is the largest country for rare earth metal production by far, but what ... Demand for the metals is increasing as renewable energy becomes more ... operates the Mount Weld mine and concentration plant in the country,...

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 Rare-earth element - Wikipedia
Rare-earth element - Wikipedia

The rare-earth element concentrations are not typically affected by sea and river waters, as rare-earth elements are insoluble and thus have very low...

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 Can You Name All 17 Rare Earth Elements?
Can You Name All 17 Rare Earth Elements?

3 Mar 2016 ... Rare Earth Elements (REEs) seem to be in the news again. ... They are just rarely mined because finding concentrations that are economically...

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 Health risk assessment of rare earth elements in cereals from ...
Health risk assessment of rare earth elements in cereals from ...

29 Aug 2017 ... To investigate the concentrations of rare earth elements in cereals and assess human health risk through cereal consumption, a total of 327...

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 The Rare-Earth Elements - USGS Publications Repository
The Rare-Earth Elements - USGS Publications Repository

List of the rare-earth elements found in natural deposits—the “lanthanides” plus yttrium. [Average abundance (concentration) in the earth's crust. (in parts per...

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 Partial Melt Distributions from Inversion of Rare Earth Element ...
Partial Melt Distributions from Inversion of Rare Earth Element ...

Abstract. Inverse theory is used to calculate the melt distribution required to produce the rare earth element concentrations in a wide variety of terrestrial.

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 The Occurrence and Concentration of Rare Earth Elements in ...
The Occurrence and Concentration of Rare Earth Elements in ...

25 Jun 2019 ... The conventional rare earth element (REE) industry has historically sought to develop ore deposits where geologic processes have produced...

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