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Environmental Pollution and Depth Distribution of Metal(loid)s and Rare Earth Elements in Mine Tailing by M. Azizi; A. Faz; R. Zornoza; S. Martínez-Martínez; V. Shahrokh; J.A. Acosta is a Environmental Science article available to read on EtoBox.

What is Environmental Pollution and Depth Distribution of Metal(loid)s and Rare Earth Elements in Mine Tailing about?

The concern about the environmental impacts of mining waste due to its high concentrations of heavy metals is a widespread aspect worldwide, however, the presence and relationship of these metals with rare earth elements (REEs) has been little studied. In addition, the evaluation of the degree of contamination by REEs and their distribution in mining waste has not been widely evaluated. Therefore, the objective of this study is to evaluate the depth distribution, relationship and pollution of metal(loid)s and REEs in a mine tailing composed by sludge and gravimetric waste, which was divided in four units according their morphology and location. For this purpose, twenty-two surface samples were collected in two depths according with the waste layers (sludge on surface and gravimetric waste in deep), also two mechanical drills (6-10 m depth) were performed. Total concentration of 29 metal(loid)s and REEs, and physicochemical properties of the wastes were determined. Principal component analysis and cluster analysis were used to evaluate the elements association and relationship, and enrichment factors of elements were calculated to determine the degree of pollution. The results indic

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Author

M. Azizi; A. Faz; R. Zornoza; S. Martínez-Martínez; V. Shahrokh; J.A. Acosta

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Environmental Science (Physical Sciences)