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The concentration of rare earth elements in the Polish power plant wastes

Baron Rafał Karol, Matusiak Piotr, Kowol Daniel, Talarek Marcin

Archives of Mining Sciences

2022

Vol. 67, no. 1

25--36

The article presents the results of laboratory tests determining the concentration of rare earth elements (REE) in coal-burning wastes to assess their economic usefulness. The content of valuable elements was determined by the technique of inductively coupled plasma mass spectrometry (ICP-MS) in the material collected from three regions of southern Poland. A mixture of waste (including fly ash, furnace slag) from heat and power plants using coal for thermal transformation processes was an object for testing. Part of the research project was to identify a share of the rare elements in the collected samples with a selected grain class of <0.045 mm.