Supply & Demand

What are the ore dressing processes for nickel sulfide ore?

Release Time:

2025-03-10

Nickel sulfide ore is one of the important sources of nickel, mainly composed of nickel-iron sulfide ((Ni,Fe)9S8), millerite (Ni3S2) and other nickel sulfide minerals. Because these minerals usually coexist with other metal sulfides (such as copper, cobalt, platinum group metals, etc.), and are often accompanied by a large number of gangue minerals, it is necessary to adopt appropriate beneficiation processes to improve the grade and recovery rate of nickel. At present, the common methods include flotation, magnetic separation, gravity separation, oxidation roasting-leaching, and bioleaching.

Nickel sulfide ores are one of the important sources of nickel, mainly composed of nickel-iron sulfide ((Ni,Fe)9S8), millerite (Ni3S2), and other nickel-containing sulfides. Because these minerals usually coexist with other metal sulfides (such as copper, cobalt, platinum group metals, etc.), and are often accompanied by a large amount of gangue minerals, appropriate ore dressing processes are needed to improve the grade and recovery rate of nickel. Currently, common methods include flotation, magnetic separation, gravity separation, oxidation roasting-leaching, and bioleaching.

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