Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

New Insights Into Recovery of Copper and Gold from Old Flotation Tailings from Bor, Serbia

Version 1 : Received: 30 November 2021 / Approved: 1 December 2021 / Online: 1 December 2021 (16:27:57 CET)

How to cite: Özdemir, E.; Lang, A.; Saari, J.; Liipo, J. New Insights Into Recovery of Copper and Gold from Old Flotation Tailings from Bor, Serbia. Preprints 2021, 2021120020 (doi: 10.20944/preprints202112.0020.v1). Özdemir, E.; Lang, A.; Saari, J.; Liipo, J. New Insights Into Recovery of Copper and Gold from Old Flotation Tailings from Bor, Serbia. Preprints 2021, 2021120020 (doi: 10.20944/preprints202112.0020.v1).

Abstract

Mining and processing tailings often contain significant amounts of valuable metals, that can represent valuable sources of secondary raw materials. Especially this is case in early-stage operations, in which the head grades were higher, and the tailings were higher grade. These tailings can also present a substantial risk to the environment. Serbia has copper deposits which have been exploited since ancient times, and these operations have generated large amounts of mineral processing tailings. The main objective of this study is to show how valuables can be recovered from chemically and mineralogically challenging tailings. After detailed chemical and mineralogical characterization, the laboratory scale flotation tests focused on evaluating the effect of particle size, different types of collectors, pH, and pulp potential. Based on the test work, copper and gold can be recovered effectively into pyrite concentrate

Keywords

copper; gold; mineralogy; tailings; flotation; value recovery; modelling

Subject

ENGINEERING, Other

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