The ore used,was a low grade copper tailing. The are is highly si1icous, which fact is favorable to leaching, as the Si02 does not interfere with the re actions between the copper in the ore and the solution. The screen analysis of the ore is as fol10ws; On 80 mesh = .25% . 100 . mesh= 20% 150 . mesh : 21% . 200 mesh := 19% Through . 200 . mesh
parallel reactivity of dolomitic copper with sulphuric acid was not demonstrated 14. A comparison of the effect of low and high dolomite on leaching of copper was not found in literature. Fig. . The shrinking core model for the leaching of dolomitic copper ore. The ions from the acid migrate by diffusion from bulk
ores tested by the Canadian Department of Mines, the above mentioned metals occur, 2 and are probably present in this ore. But the prime interest of this investigation is to re cover the copper and nickel, even though the gold and plati num group met.al.sway be present to add to the value of the ora.
Taconite ore in the actual production line needs the following specifications: 8 12mm, 4 8mm, 2 4mm, 1 2mm, 0.3 1mm, 40 60mesh, 60 80mesh, 80 100mesh, 100mesh, 150mesh, 200mesh and 325mesh and so on. When Taconite ore is used in the actual production line, it needs to be processed into the above size. Taconite Ore Grinding Plant
Ore is natural rock or sediment that contains one or more valuable minerals, typically containing metals, that can be mined, treated and sold at a profit. Ore is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals.
Mineral dressing The first process most ores undergo after they leave the mine is mineral dressing , also called ore preparation, milling, and ore dressing or ore beneficiation. Ore dressing is a process of mechanically separating the grains of ore minerals from the gangue minerals, to produce a concentrate ...