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2020, vol. 75, br. 3, str. 297-304
Sadržaj bakra i pratećih elemenata u višeslojnom blatnjavom zemljištu iz Bučimskog jezera ispod jalovišta rudnika "Bučim", Republika Severna Makedonija
aUniversity "Goce Delčev", Faculty of Natural and Technical Sciences, Štip, R. N. Macedonia
bUniversity "Ss Cyril and Methodius", Faculty of Natural Sciences and Mathematics, Institute of Chemistry, Skopje, R. N. Macedonia

e-adresatodor.serafimovski@ugd.edu.mk
Ključne reči: zemljište; zagađenje; bakar; porfirski; Bučim
Sažetak
Intenzivna eksploatacija minerala u rudarskim područjima tokom poslednjih nekoliko decenija producirala je i velike količine otpadnog materijala i jalovine, koji oslobađaju toksične elemente i životnu sredinu. Cilj ovoj proučavanja je bio da se u dva vertikalna profila/preseka (1 i 2) utvrde sadržaji teških metala u uzorcima dobijenih iz šest uzoraka, po tri iz svakog profila koji se nalaze na području rudnika porfirskog bakra Bučim, Republika Severna Makedonija. Rezultati su upoređeni sa standardima nove holandske liste (DL) i standardima Kabata-Pendias (KP) i zaključeno je sledeće: vrednosti as su se bile u opsegu 14,985÷60,131 mg kg-1 sa 4 uzorka iznad ciljne vrednosti date u DL (29 mg kg-1 As) i 6 iznad standardnih vrednosti datih u KP (5 mg kg-1 As), u tom kontekstu vrednosti Co su bile u opsegu 11 ÷57 mg kg-1 sa 6 vrednosti iznad ciljne vrednosti date u DL (9 mg kg-1 Co) i 5 iznad standardnih vrednosti datih u KP (12 mg kg-1 Co), Cr u opsegu 29,32÷75,76 mg kg-1 sa 6 vrednosti iznad KP vrednosti (10 mg kg-1 Cr) i nijedne iznad ciljne vrednosti u DL (100 mg kg-1 Cr), Cu sa opsegom 2694÷6749 mg kg-1 i sa 6 uzoraka iznad ciljne vrednosti u DL (36 mg kg-1 Cu) i 6 iznad standardne vrednosti u KP (20 mg kg-1 Cu), Ni sa opsegom 59,57÷105,98 mg kg-1 sa 6 uzoraka iznad ciljne vrednosti u DL (35 mg kg-1 Ni) i 6 iznad standardnih vrednosti u datih u KP (20 mg kg-1 Ni), Pb sa opsegom 27,06 ÷96,08 mg kg-1 i 1 uzorkom iznad ciljne vrednosti u DL (85 mg kg-1Pb) i 6 iznad standardnih vrednosti datim u KP (25 mg kg-1Pb), Zn sa opsegom 147÷273 mg kg-1 sa 6 vrednostima iznad ciljne vrednosti date u DL (140 mg kg1 Zn) i 6 iznad standardne KP vrednosti (64 mg kg-1 Zn), V sa opsegom 34,44÷92,57 mg kg-1 i 5 vrednosti iznad ciljne vrednosti u DL (42 mg kg-1 V) i jedne iznad KP vrednosti (90 mg kg-1 V). Da bi se uporedio nivo kontaminacije, izračunati su faktor kontaminacije (𝐶𝑓 𝑖 ), stepen kontaminacije (Cd), i indeks zagađenja (PLI). Ozbiljne vrednosti su pronađene za Cu, as, Zn, Co i Ni, koje su prevazišle standardne vrednosti skoro u svim uzorcima iz oba vertikalna profila/preseka. U poređenju profil 1 sa profilom 2, indeks zagađenja je povećan za 13,43%, što je skoro u svim uzorcima klasifikovano kao visoko zagađeno do izuzetno zagađeno. Činjenica je da rudarske aktivnosti rudnika Bučim traju gotovo 40 godina, pa je razumljivo prisustvo teških metala u ozbiljnim nivoima. Visok nivo kontaminacije rezultat je istrajnosti teških metala i bio-nerazgradljivosti.
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O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
DOI: 10.5937/tehnika2003297S
primljen: 16.03.2020.
prihvaćen: 26.05.2020.
objavljen u SCIndeksu: 09.10.2020.
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