What’s the Copper Flotation Process in the Copper Mining Process?
With nearly 14 million tons of copper consumed every year, China consumes about 60 – 70% of the total global consumption, more than all other countries combined. From the perspective of supply and demand, China’s copper mine market demand is still expanding. But what is the standard by which China imports copper ore?
Copper, chemical symbol Cu, atomic number 29, is ductile, thermally conductive, and electrically conductive. It is widely used in electrical, mechanical manufacturing, medicine, construction, national defense, and other fields. As the second-largest non-ferrous metal in our country, its consumption is second only to aluminum. Besides recycling, copper ore is the most crucial source of copper metal. As a large copper consumer, our country’s domestic copper ore output is far from meeting the demand, and most of it has to be imported from abroad. Customs statistics show that from January to October 2021, our country’s copper ore and concentrate imports reached 19.165 million tons, a 6.3% increase compared to the same period last year.
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Copper ores imported from overseas can be classified into copper ore and copper concentrate based on their status and copper content.
| Name | Definition |
| Copper ore | This type of copper ore refers to the sand-like copper ore mined from copper ore and beneficiated into high copper quality but generally unable to meet the concentrated standard. |
| Copper concentrate | YS/T308-2007, the copper concentrate industry standard, defines copper concentrate as a copper ore that has a copper content (mass fraction) greater than 13% obtained by flotation of copper-bearing ore. |
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One of the most common methods in the copper mining process is the copper flotation process. Flotation, as a frequently used copper ore beneficiation process, can be applied to both sulfide copper ores and oxide copper ores. The main process of copper flotation is roughly as follows: the ore is first subjected to crushing and screening. Then, it goes through stage grinding and stage flotation. After that, the material is processed by concentration and dehydration, and finally, copper concentrate is obtained. This process maximizes the recovery of copper from the ore.
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If you have any questions about copper mining, processing, or import-related matters, don’t hesitate to contact us. Contact Dasen mining today and let’s explore the potential of copper resources together!
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