Cobalt-bearing copper slags from Luanshya (Zambian …
Aliquots of all samples were pulverized in an agate planetary mill to <50 μm (Retsch PM 400, Germany) and used for the bulk chemistry and phase composition determinations, and for the hydrometallurgical testing. ... Cobalt-bearing Cu slags from Luanshya, the oldest mining and smelting site in the Zambian Copperbelt (smelter operated between ...