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Stężenie metali ciężkich w osadach rzeki Lagaip-Strickland

Stężenie metali ciężkich w osadach rzeki Lagaip-Strickland

MELVIN KAMAP MINALA / REVANURU SUBRAMANYAM

120,55 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Ciencia, ingeniería y tecnología medioambientales
ISBN:
9786200745620
120,55 €
IVA incluido
Disponible

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Zanieczyszczenie metalami ciężkimi jest kwestią o znaczeniu globalnym. Jest to główny problem środowiskowy stwarzany przez przemysł wydobywczy na całym świecie, dotykający większość krajów. Kopalnie Porgera odprowadzają odpady (odpady przeróbcze i miękkie skały) do systemu rzecznego Lagaip/Strickland, przez co system rzeczny jest narażony na zanieczyszczenie metalami ciężkimi. Próbki osadów pobrano wzdłuż wybranych miejsc systemów rzecznych i przeanalizowano pod kątem określonych metali, tj. Ag, As, Cd, Cr, Cu, Hg, Ni, Pb i Zn przy użyciu ICP-MS. Poziom zanieczyszczenia metalami ciężkimi w osadach oceniono za pomocą wskaźników zanieczyszczenia, w tym współczynnika zanieczyszczenia, stopnia zanieczyszczenia, zmodyfikowanego stopnia zanieczyszczenia i wskaźnika zanieczyszczenia Nemerowa. Ocenę ryzyka ekologicznego przeprowadzono przy użyciu czynników ryzyka ekologicznego, wskaźników potencjalnego ryzyka ekologicznego i opartych na konsensusie wytycznych dotyczących jakości osadów. Wyniki wskazują, że Pb, Zn i Cd stanowią długoterminowe zagrożenie w zbiorniku Lagaip Strickland, podczas gdy pozostałe metale ciężkie zostały uznane za mniej niebezpieczne na podstawie oceny jakości osadów.

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