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Assessment of the Environmental Hazard and Possibility of Processing of Refinement Tailings of Loparite Ores Concentration
https://doi.org/10.18412/1816-0395-2020-12-46-51
Abstract
Geotechnical properties and material composition of loparite ore dressing tailings have been investigated. It was established that already at the stage of waste storage, heterogeneity of the material composition and contents of valuable components is formed. The average content of loparite and eudialyte in the refinement tailings is 1.1 and 0.5%, respectively. The effective specific activity of natural radionuclides 226Ra, 232Th and 40K and investigated samples is in range values 646±21 – 1300±24 Bk/kg. When leaching samples of tailings in distilled water, the concentration of fluorineions in the water extract significantly exceeds the MPC of water bodies for fishery and household purposes. By phytotesting it was found that water extracts of tailings and its dilution – enrichment do not have a significant toxic effect on the growths of higher plants.
About the Authors
A.A. Goryachev
Institute of North Industrial Ecology Problems of the Federal Research Centre Kola Science Centre of the Russian Academy of Sciences
(INEP FRC KSC RAS)
Russian Federation
Junior Research Fellow
Russian Federation
Junior Research Fellow
E.A. Krasavtseva
Institute of North Industrial Ecology Problems of the Federal Research Centre Kola Science Centre of the Russian Academy of Sciences
(INEP FRC KSC RAS)
Russian Federation
Junior Research Fellow
Russian Federation
Junior Research Fellow
V.V. Lashchuk
I.V. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials of Federal Research Centre Kola Science Centre of the Russian Academy of Sciences (ICTREMR FRC KSC RAS)
Russian Federation
Cand. Sci. (Eng.), Leading Engineer
Russian Federation
Cand. Sci. (Eng.), Leading Engineer
P.V. Ikkonen
I.V. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials of Federal Research Centre Kola Science Centre of the Russian Academy of Sciences (ICTREMR FRC KSC RAS)
Russian Federation
Engineer
Russian Federation
Engineer
A.A. Smirnov
I.V. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials of Federal Research Centre Kola Science Centre of the Russian Academy of Sciences (ICTREMR FRC KSC RAS)
Russian Federation
Engineer
Russian Federation
Engineer
V.V. Maksimova
Institute of North Industrial Ecology Problems of the Federal Research Centre Kola Science Centre of the Russian Academy of Sciences
(INEP FRC KSC RAS)
Russian Federation
Russian Federation
D.V. Makarov
Institute of North Industrial Ecology Problems of the Federal Research Centre Kola Science Centre of the Russian Academy of Sciences
(INEP FRC KSC RAS)
Russian Federation
Russian Federation
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Review
For citations:
Goryachev A., Krasavtseva E., Lashchuk V., Ikkonen P., Smirnov A., Maksimova V., Makarov D. Assessment of the Environmental Hazard and Possibility of Processing of Refinement Tailings of Loparite Ores Concentration. Ecology and Industry of Russia. 2020;24(12):46-51. (In Russ.) https://doi.org/10.18412/1816-0395-2020-12-46-51
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