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Mining and Metallurgy Engineering Bor
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2018, br. 3-4, str. 97-108
Application of ecofrendly oxidant ferrate(vi) in the metallurgical processes of copper extraction
(naslov ne postoji na srpskom)
aSanitary Medical School of Applied Sciences 'Visan', Belgrade
bInstitut za hemijske izvore struje - IHIS, Beograd
cUniverzitet 'Union - Nikola Tesla', Fakultet za ekologiju i zaštitu životne sredine - FEZS, Beograd
Projekat:
Razvoj ekoloških postupaka tretmana štetnih materija primenom ferata (VI) i elektrohemijske oksidacije ili redukcije (MPNTR - 34025)
Biodiverzitet kao potencijal u ekoremedijacionim tehnologijama oštećenih ekosistema (MPNTR - 31080)

Ključne reči: ferrate(VI); chalcopyrite; hydrometallurgical; wastewater; oxidation
Sažetak
(ne postoji na srpskom)
This works deals with investigation the efficiency of sodium ferrate, Na 2 FeO 4 , obtained by the elec-trochemical oxidation, as coagulation and flocculation agent for purification of wastewater from the electrolytic refining process from the Bor Copper Refinery and Copper Smelter Plant of the Mining and Smelting Combine Bor. Removal of heavy metals and selenium by barium ferrate in aqueous solutions could be possible up to: 100 % for Cu, 97.18 % for As, 98.37 % for Sb and 6.06 % for Se using fer-rate(VI) in the ratio M : Fe(VI) = 1:12. Also, the efficiency dependence of copper sulphide ore leaching from concentrate by the oxidation of copper sulfide and chalcopyrite with ferrate(VI) on the sulphuric acid concentration was investigated in this work. It is found that leaching of copper from vthe copper sulfide concentrate, carried out by fer-rate(VI), proceeds easily due to the efficient oxidation of sulfide and sulfur, in respect of the classical acid process that usually needs the addition of strong oxidant, such as oxygen or hydrogen peroxide, to increase the process productivity.
Reference
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O članku

jezik rada: engleski
vrsta rada: neklasifikovan
DOI: 10.5937/mmeb1804097V
objavljen u SCIndeksu: 12.05.2019.

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