zambia small scale copper electrowinning processing ...
MEI Blog: Return to Nchanga, Zambia's greatest copper mine. Aug 13, 2012 ... The Copperbelt Province of Zambia and the neighbouring Katanga province ... giant Nchanga open-pit and the smaller Chingola and Mimbula-Fitula pits ... solvent extraction process, before precipitating the copper by electrolysis. ... but was amazed last week to see the scale of this elegant process, which...