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How to Extract Copper Sulphide Ore?

Xinhai 2020-01-15(05:01:03) 489 0

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In this post we're going to see how to extract copper sulphide ore.

Besides, we can also learn about:

  1. Instant flotaion process

  2. Copper staged preferential flotation process

  3. Electrochemial flotation process

Let's dive right in!


Copper sulphide ore has good inherent floatability, so flotation process is a mature method used in the extraction of copper from sulphide ore. In recent years, with the continuous development of flotation processes used in the extraction of copper from sulphide ore, many scholars also proposed a series of new principles of mineral processing, such as “collect early, loss early” and “more crushing and less grinding”. At present, the flotation processes used in the extraction of copper from sulphide ore mainly include instant flotation process, copper staged preferential flotation process and electrochemical flotation process.

Copper-Ore.jpg

1.     Instant flotation process

The principle of instant flotation process is to select coarse grain of useful minerals by flotation cell. The advantages of this technology are that it can handle cyclone desilting, minerals with large feed size and high concentration, then float monomer dissociated coarse minerals quickly, thus reduce overcrushing and energy consumption, improve the recovery rate of copper. This flotation process has been applied in many copper sulphide ore and got good economic indicators.

2.     Copper staged preferential flotation process

This flotation process is to float dissociated copper concentrate first after grinding and classifying, then strengthen flotation reagent to float copper-sulfide mixed concentrate from tailings, finally dissociate copper and sulphur. This flotation process can improve the recovery rate and grade of various useful metals. And it is widely applied in many large and medium-sized copper sulphide ore processing plants.

3.     Electrochemical flotation process

This flotation process is to regulate pulp potential by adjusting slurry PH value, which strengthens hydrophobic or hydrophilic of sulfide mineral surface, then finish flotation process. It is suitable for flotation between polymetallic and mixed concentrates. This flotation process can reduce the dosage of flotation reagents and optimize flotation index.

 

Conclusion

Instant flotaion process, copper staged preferential flotation process and electrochemial flotation process are three widely used ways to extract copper sulphide ore. We can choose the most suitable process according to the characteristics of our copper ore. 


 


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