A Brazilian coal fly ash as a potential source of rare earth elements

Rare earth elements (REEs) have several applications and their market demands have increased. Recently, coal fly ash (CFA) has been considered as a source of these elements. The purpose of this study was to evaluate the REEs content in a CFA from a Brazilian coal power plant by instrumental neutron...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2017-02, Vol.311 (2), p.1235-1241
Main Authors: Lange, Camila N., Camargo, Iara M. C., Figueiredo, Ana Maria G. M., Castro, Liliana, Vasconcellos, Marina B. A., Ticianelli, Regina B.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Coal
Coal fired power plants
Diagnostic Radiology
Electric power plants
Fly ash
Hadrons
Heavy Ions
Inorganic Chemistry
Leaching
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Power plants
Rare earth elements
Rare earth metals
Technology application
Trace elements
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Summary:Rare earth elements (REEs) have several applications and their market demands have increased. Recently, coal fly ash (CFA) has been considered as a source of these elements. The purpose of this study was to evaluate the REEs content in a CFA from a Brazilian coal power plant by instrumental neutron analysis, to classify it according to commercial purposes and to assess the weathering impact in the REEs content, since it is held in fields nearby the power plant. The results pointed no significant REEs leachability and indicated this CFA as a promising REEs source.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-016-5026-8