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    Recovery of Critical Metals from Aqueous Sources

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    nihms-1743261.pdf
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    Format:
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    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Can Sener, Serife E. cc
    Thomas, Valerie M. cc
    Hogan, David E.
    Maier, Raina M. cc
    Carbajales-Dale, Michael
    Barton, Mark D.
    Karanfil, Tanju cc
    Crittenden, John C. cc
    Amy, Gary L.
    KAUST Department
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Biological and Environmental Science and Engineering (BESE) Division
    Date
    2021-08-24
    Online Publication Date
    2021-08-24
    Print Publication Date
    2021-09-06
    Embargo End Date
    2022-08-24
    Submitted Date
    2021-05-05
    Permanent link to this record
    http://hdl.handle.net/10754/670801
    
    Metadata
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    Abstract
    Critical metals, identified from supply, demand, imports, and market factors, include rare earth elements (REEs), platinum group metals, precious metals, and other valuable metals such as lithium, cobalt, nickel, and uranium. Extraction of metals from U.S. saline aqueous, emphasizing saline, sources is explored as an alternative to hardrock ore mining. Potential aqueous sources include seawater, desalination brines, oil- and gas-produced waters, geothermal aquifers, and acid mine drainage, among others. A feasibility assessment reveals opportunities for recovery of lithium, strontium, magnesium, and several REEs from select sources, in quantities significant for U.S. manufacturing and for reduction of U.S. reliance on international supply chains. This is a conservative assessment given that water quality data are lacking for a significant number of critical metals in certain sources. The technology landscape for extraction and recovery of critical metals from aqueous sources is explored, identifying relevant processes along with knowledge gaps. Our analysis indicates that aqueous mining would result in much lower environmental impacts on water, air, and land than ore mining. Preliminary assessments of the economics and energy consumption of recovery show potential for recovery of critical metals.
    Citation
    Can Sener, S. E., Thomas, V. M., Hogan, D. E., Maier, R. M., Carbajales-Dale, M., Barton, M. D., … Amy, G. L. (2021). Recovery of Critical Metals from Aqueous Sources. ACS Sustainable Chemistry & Engineering. doi:10.1021/acssuschemeng.1c03005
    Sponsors
    This work was supported in part by the National Institute of Environmental and Health Sciences (NIEHS) Superfund Program (SRP) Grant P42 ES004940.
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Sustainable Chemistry & Engineering
    DOI
    10.1021/acssuschemeng.1c03005
    Additional Links
    https://pubs.acs.org/doi/10.1021/acssuschemeng.1c03005
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8580379
    ae974a485f413a2113503eed53cd6c53
    10.1021/acssuschemeng.1c03005
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Environmental Science and Engineering Program; Water Desalination and Reuse Research Center (WDRC)

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