Processing

The ore is transported by trucks to crude ore bunker on Flotation. Ore is crushed to ggk16mm in the department of crushing and sieving.

Crushed ore is transported by conveyor belts to mill bunker (stored). Crushed ore is crumbled in a mill with balls, in the presence of water. Pulp (a mixture of ore and water) with the addition of reagents is prepared for flotation.

In the flotation process, physical-chemical properties of minerals are used. Our flotation processes polymetallic lead-zinc-copper ore. The sequence of flotation is the following: flotation of lead minerals, then copper minerals and finally zinc minerals. The aim of technological process of flotation is twofold, to achieve higher utilisation of metal and greater degree of concentration of metals in concentrates. Products of flotation are concentrates and tailings (where only traces of metals exist). Concentrates are sold and tailings are stored in a tailing pond.

 

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Contango d.o.o.

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Contango d.o.o. was founded on 15/09/2003.

The company was founded with the intention to engage in the trade of metals and their concentrates, as well as the final products of metal sector, as the core activity.