The first stage of copper ore process within a metallurgical treatment circuit is copper ore crushing, where the copper ore particles are reduced in size such that copper particles can be efficiently separated from copper ore particles.

The first stage of copper ore process within a metallurgical treatment circuit is copper ore crushing, where the copper ore particles are reduced in size such that copper particles can be efficiently separated from copper ore particles. The copper ore from a open pit mine is blasted, loaded and transported to the primary crushers. Then the ore is crushed and screened, with the fine sulfide ore going to froth flotation cells for recovery of copper.
SBM copper ore crushers are widely in the copper ore crushing process in the world. Besides the primary crushing of copper ore and the second crushing of copper ore, the grinding of copper ore and other materials can be completed by our copper ore mills. ball mill, Raymond mill, T series mill are all widely applied in the copper ore concentrator.

Mining metals
Metals are often found as compounds in ores. An ore is a rock or mineral that has enough metal in it to make it worth extracting. In the case of copper, it is worth extracting when there is about 2 kg of copper per 1000 kg of ore.

Mining copper
About 200 years ago the UK was an important world source of copper and there were mines in Cornwall and Wales. These mines have now closed and today the biggest copper mines are in Chile and North America. These produce many thousands of tonnes of copper ore per year.

The main ores of copper are:
chalcopyrite
bornite
malachite.

The ores are extracted by either traditional mining (open pit or underground) or by leaching. The copper is then recovered using physical and chemical techniques.
In this electronic resource, we’ll look at the ways in which copper is mined and recovered from its ores.

The ore is crushed, ground and then enriched (concentrated) by Froth Flotation.
The powdered ore is mixed with a special paraffin oil which makes the copper mineral particles water repellent. It is then fed into a bath of water containing a foaming agent which produces a kind of bubble bath.

When jets of air are forced up through the bath, the water repellent copper mineral particles are picked up by the bubbles of foam. They float to the surface making a froth. The unwanted waste rock (gangue) falls to the bottom and is removed.
The froth is skimmed off the surface and the enriched ore (mainly the copper mineral) is taken away for roasting. The mixture of water, foaming agent and paraffin is recycled.

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