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MUTANDA PHASE 3
Client: Mumi SPRL/ Groupe Bazano
In a nutshell
Mumi SPRL/ Groupe Bazano
2011 – 2012
EPCM Contractor responsible for the Design, Supply, Shipping, Construction, Erection and Commissioning
100ktpa Copper Production
The third phase of the Mumi solvent extraction and electrowinning (SXEW) project entailed upgrading the two existing Mumi copper-cobalt processing plants (Phase I and Phase II) to increase the combined production of LME Grade A cathodes from approximately 60 ktpa to approximately 100 ktpa while producing 19.4 ktpa of contained cobalt as cobalt hydroxide. The treatment rate was increased to 2.43 Mtpa of run-of-mine (ROM) ore containing 4.5 % copper and 1 % cobalt.
The upgrade involved the addition of rectifier transformers to Phase I; the addition of mixer-settlers to Phase II; and the installation of an additional crud treatment plant and copper electrowinning plant. The overall process circuit was redesigned to ensure increased production and improved metal recoveries.
The redesigned process route was defined by experienced SENET process engineers, in conjunction with Miller Metallurgical Services (MMS), a specialist Australian consultancy with many years of solvent extraction and electrowinning experience.
The Plant redesign and layout was developed by SENET engineers and designers, and comprised the civil, structural, mechanical, electrical and instrumentation aspects of the project.