US Funds Pre-Feasibility Study for DRC’s 30,000-Tonne Copper and 5,000-Tonne Cobalt Refinery The US Trade and Development Agency (USTDA) has signed an agreement with Congolese mineral processor Buenassa Resources to fund a pre-feasibility study for a proposed copper and cobalt refinery in Lualaba Province. The study will assess potential sources of feedstock, establish the refinery’s technical design and determine the economic and financial requirements for its development. USTDA has not disclosed the value of the
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