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Atmospheric Acid Leaching of Oxidised and Mixed Copper Cobalt Ores Mined in the Democratic Republic of the Congo

Petrus Johannes Pretorius

2019encoppercobaltleachingminingengineering

Abstract

Language:

Kamoto-Oliveira-Virgule (KOV) located in the Democratic Republic of the Congo, operates its mining operation on the northwestern boundary of the approximately 350km long Congolese copper belt. This deposit accounts for nearly half of all the Cu-Co resources within the DRC. The concentrator and refinery being studied was launched as a brownfields project, designed to receive concentrated copper oxides that feed the leaching circuit directly. Copper sulphide concentrate was received by the fluidized bed roasters after sulphide and oxide flotation. Current open pit operation has predominantly oxidised copper ore and mining the mineral resources from the open pit is considerably more economical than running the underground operation that produces predominantly copper sulphides. Consequently, the decision to build a Flotation Tailings Acid Leach (FTAL) plant was made which allows for the copper oxide flotation process to be eliminated completely by increasing the leach circuit capacity to process all the ore from the open pit.

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Cite This Work

@article{f6a8e551-b44d-4c50-8ad7-2d553c27b861,
  title={Atmospheric Acid Leaching of Oxidised and Mixed Copper Cobalt Ores Mined in the Democratic Republic of the Congo},
  author={Petrus Johannes Pretorius},
  year={2019},
  language={en}
}
TY  - JOUR
TI  - Atmospheric Acid Leaching of Oxidised and Mixed Copper Cobalt Ores Mined in the Democratic Republic of the Congo
AU  - Petrus Johannes Pretorius
PY  - 2019
LA  - en
ER  -

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