Rare Earth Elements in Alberta Oil Sand Process Streams

doi:10.1021/acs.energyfuels.6b03184

Title: Rare Earth Elements in Alberta Oil Sand Process Streams

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Abstract

The concentrations of rare earth elements in Alberta, Canada oil sands and six oil sand waste streams were determined using inductively coupled plasma mass spectrometry (ICP–MS). The results indicate that the rare earth elements (REEs) are largely concentrated in the tailings solvent recovery unit (TSRU) sample compared to the oil sand itself. The concentration of lanthanide elements is ~1100 mg/kg (1100 ppm or 0.11 weight %), which represents a >20× increase in the concentration compared to the oil sand itself and a >7× increase compared to the North American Shale Composite (NASC). The process water, which is used to extract the oil from oil sands, and the water fraction associated with the different waste streams had very low concentrations of REEs that were near or below the detection limits of the instrument, with the highest total concentration of REEs in the water fraction being less than 10 μg/L (ppb). Size and density separations were completed, and the REEs and other potentially interesting and valuable metals, such as Ti and Zr, were concentrated in different fractions. These results give insights into the possibility of recovering REEs from waste streams generated from oil sand processing.

Authors:

^[1]; Bank, Tracy ^[1]; Howard, Bret ^[2];

^[2]

National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States); AECOM, Pittsburgh, PA (United States)
National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States)

Publication Date:: 2017-04-05

Research Org.:: National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States). In-house Research

Sponsoring Org.:: USDOE Office of Fossil Energy (FE)

OSTI Identifier:: 1393393

Report Number(s):: CONTR-PUB-270
Journal ID: ISSN 0887-0624

Grant/Contract Number:: FE0004000

Resource Type:: Accepted Manuscript

Journal Name:: Energy and Fuels

Additional Journal Information:: Journal Volume: 31; Journal Issue: 5; Journal ID: ISSN 0887-0624

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 04 OIL SHALES AND TAR SANDS; Rare Earth Elements; Oil Sands; Inductively Coupled Plasma Mass Spectrometry (ICP-MS); Extraction; Trace Elements; Mine Wastes

Citation Formats


                    Roth, Elliot, Bank, Tracy, Howard, Bret, and Granite, Evan. Rare Earth Elements in Alberta Oil Sand Process Streams.  United States: N. p., 2017. 
        Web.  doi:10.1021/acs.energyfuels.6b03184.

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                    Roth, Elliot, Bank, Tracy, Howard, Bret, & Granite, Evan. Rare Earth Elements in Alberta Oil Sand Process Streams.  United States.  doi:10.1021/acs.energyfuels.6b03184.

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                    Roth, Elliot, Bank, Tracy, Howard, Bret, and Granite, Evan. Wed .  
        "Rare Earth Elements in Alberta Oil Sand Process Streams".  United States.  doi:10.1021/acs.energyfuels.6b03184.  https://www.osti.gov/servlets/purl/1393393.

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@article{osti_1393393,

  title        = {Rare Earth Elements in Alberta Oil Sand Process Streams},

  author       = {Roth, Elliot and Bank, Tracy and Howard, Bret and Granite, Evan},

  abstractNote = {The concentrations of rare earth elements in Alberta, Canada oil sands and six oil sand waste streams were determined using inductively coupled plasma mass spectrometry (ICP–MS). The results indicate that the rare earth elements (REEs) are largely concentrated in the tailings solvent recovery unit (TSRU) sample compared to the oil sand itself. The concentration of lanthanide elements is ~1100 mg/kg (1100 ppm or 0.11 weight %), which represents a >20× increase in the concentration compared to the oil sand itself and a >7× increase compared to the North American Shale Composite (NASC). The process water, which is used to extract the oil from oil sands, and the water fraction associated with the different waste streams had very low concentrations of REEs that were near or below the detection limits of the instrument, with the highest total concentration of REEs in the water fraction being less than 10 μg/L (ppb). Size and density separations were completed, and the REEs and other potentially interesting and valuable metals, such as Ti and Zr, were concentrated in different fractions. These results give insights into the possibility of recovering REEs from waste streams generated from oil sand processing.},

  doi          = {10.1021/acs.energyfuels.6b03184},

  journal      = {Energy and Fuels},

  number       = 5,

  volume       = 31,

  place        = {United States},

  year         = {2017},

  month        = {4}

}

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DOI: 10.1021/acs.energyfuels.6b03184

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