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Assessing the Content of Rare and Rare-Earth Metals in Coal Waste from Khakassia, Buryatia, and Khabarovsk Territory

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Abstract

Cake ash from the Chernogorskaya (Khakassia), Tugnuiskaya (Buryatia), and Chegdomyn (Khabarovsk Territory) enrichment facilities is analyzed, as well as ash from the coal sent to those enterprises. Numerous rare and rare-earth metals are present in elevated concentrations in the ash of the coal and the ash of the coke. The coal waste contains the metals previously observed in waste from Kuznetsk Basin coal. In addition, the samples of coal ash and coal cake analyzed here have concentrations of other rare metals (rubidium and scandium) and rare-earth elements (yttrium and cerium) that are close to the values recommended for industrial assessment in coal. Promising technologies for the extraction of rare and rare-earth elements from coal and coal waste are considered. Potential applications are identified for the metals of practical interest. Indices are proposed for economic assessment of projects aimed at extracting rare and rare-earth metals from coal waste.

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Authors and Affiliations

  1. Novokuznetsk Branch, Gorbachev Kuznetsk Basin State Technical University, Novokuznetsk, Russia

    V. A. Salikhov

  2. Kuznetsk Center, VUKhIN, Novokuznetsk, Russia

    V. M. Strakhov

  3. Prokopevsk Branch, OOO SibNIIugleobogashchenie, Prokopevsk, Russia

    M. A. Volkov & A. P. Grinyuk

Authors
  1. V. A. Salikhov
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  2. V. M. Strakhov
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  3. M. A. Volkov
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  4. A. P. Grinyuk
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Corresponding authors

Correspondence to V. A. Salikhov, V. M. Strakhov, M. A. Volkov or A. P. Grinyuk.

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Translated by B. Gilbert

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Salikhov, V.A., Strakhov, V.M., Volkov, M.A. et al. Assessing the Content of Rare and Rare-Earth Metals in Coal Waste from Khakassia, Buryatia, and Khabarovsk Territory. Coke Chem. 65, 241–248 (2022). https://doi.org/10.3103/S1068364X22060084

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  • DOI: https://doi.org/10.3103/S1068364X22060084

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