Nickel Ore Beneficiation Process

Nickel Ore

Nickel is a chemical element with the symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel is a hard and ductile transition metal. Nickel is an indispensable metal element in the world. It is an essential raw material in military manufacturing, machinery manufacturing, atomic energy, ultrasonic, and communication.

The main minerals of nickel ore are pentlandite, silicon magnesium nickel ore, goethite or yellow nickel ore, red nickel ore, and so on. The nickel reserves in the manganese nodules on the seabed are very large, which is an important prospect resource of nickel.

There are many types of nickel ore, mainly divided into copper-nickel sulfide ore and copper-nickel oxide ore according to the mineral properties. Among them, copper is the main impurity mineral in nickel ore, followed by lead, zinc, arsenic, fluorine, manganese, antimony, bismuth, chromium, etc. In the beneficiation process, copper-nickel sulfide ore and nickel oxide ore beneficiation are also the primary beneficiations.

Nickel oxide deposits are relatively shallow, ideal for large-scale open-pit mining, and can be selectively mined. After mining, nickel oxide is smelted and enriched, mainly by pyrometallurgy and hydrometallurgy.

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