vacuum distillation furnace for separation of copper and zinc, increase the purity of zinc recovery and reduce ...

Closing the smelter would also jeopardise Glencore’s copper refinery in Montreal, which is supplied by it. About 3,200 direct and indirect jobs could be impacted, the company has said.

TOKYO/SINGAPORE, July 13 (Reuters) - Japanese smelters are bracing for their toughest negotiations in at least a decade over mid-year copper processing fees, as spot copper treatment and refining ...