Do you know the beneficiation processes of these four cobalt ores?

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Cobalt is one of the materials used in new energy research and development. With the continuous popularization and development of carbon neutrality and new energy technologies, cobalt mineral resources are receiving more and more attention. In nature, cobalt rarely exists alone and often coexists with iron, copper, nickel and other metal minerals. Therefore, the main cobalt deposits are mostly copper-nickel-cobalt deposits, copper-cobalt deposits, iron-cobalt deposits and cobalt-soil deposits. For these four What are the beneficiation processes for cobalt-like ores? Let’s find out together below!

1. Copper-nickel-cobalt ore beneficiation process

The main metal minerals of copper-nickel-cobalt ore are copper, cobalt and nickel< Mainly, its gangue minerals are mostly quartz, muscovite, biotite, plagioclase, serpentine, etc. At the same time, copper, cobalt, and nickel in this type of deposit are also closely related to arsenic, so mineral processing is difficult.

Generally, copper-nickel-cobalt ore beneficiation often adopts the mixed flotation process. First, the mixed flotation concentrate is mixed and flotated to obtain a relatively large-enriched copper-cobalt-nickel mixed concentrate. The mixed concentrate can be sold directly or further smelted and purified. It should be noted that this type of ore contains a lot of easily floating gangue minerals, and secondary sludge is easily produced during the grinding process, which affects the enrichment of copper-nickel-cobalt concentrate. At this time, flocculation can be selected The desliming-mixed flotation process first mixes and flotates the copper, nickel and cobalt concentrates with high enrichment ratio, and then separates and extracts cobalt minerals through hydrometallurgy.

2. Copper and cobalt ore beneficiation process

In copper and cobalt deposits, there are two types of minerals, one containing Cobalt ore is a polymetallic mineral such as copper, lead, zinc, silver, and the other is cobalt ore containing copper, cobalt, uranium. Among the two types of cobalt minerals, There will be differences in the sorting process, but it is mainly determined by the difference in floatability of copper and cobalt. Priority flotation process and mixed flotation process can be used.

Priority flotation process: Generally, copper is flotated first and then cobalt is flotated. During flotation, lime is used as an inhibitor. , YK1-11 is used as the copper collector, butyl xanthate is used as the cobalt collector, and copper concentrate and cobalt concentrate are obtained respectively.

Mixed flotation process: It floats the mixed concentrate of copper and cobalt at the same time, and then separates copper and cobalt at one time. During flotation, butyl xanthate can be used as a collector, BKNL as a regulator, water glass and lime as inhibitors to suppress gangue minerals, and finally obtain a qualified copper-cobalt mixed coarse concentrate. Then copper concentrate and cobalt concentrate are separated at one time.

3. Iron-cobalt ore beneficiation process

The main metal minerals of iron-cobalt deposits are pyrite, pyrrhotite and a small amount of chalcopyrite. The gangue minerals are quartz, Feldspar, epidote, biotite, and chlorite are the main ones, while cobalt coexists with iron minerals. Its components are complex and difficult to sort.

This type of cobalt deposit is often beneficiated by the joint separation method. Generally, the flotation method is first used to separate the sulfide and magnet. Ore separation, and then use flotation to separate a small amount of chalcopyrite, pyrite, and pyrrhotite. In the process, a magnetic separation process will be added, and the magnetite will be separated separately to obtain better copper concentrate. , cobalt sulfur concentrate and iron ore concentrate.

4. Cobalt soil ore beneficiation process

Cobalt soil deposits are mostly weathered mineral deposits. In addition to cobalt, these deposits also contain manganese, copper, nickel, iron and other metal ores. Among them, the recyclable cobalt is mostly a complex formed by manganese oxide and cobalt oxide. The two have a close symbiotic relationship and contain a lot of clay and iron sludge. They are often recovered together with manganese during mineral processing.

The above is an introduction to the ore types and beneficiation processes of four different types of cobalt ores. When selecting cobalt ore beneficiation methods, the cobalt ore beneficiation method should be based on the cobalt ore ore. The mineral composition of even the same type of cobalt deposits is different. Therefore, a cobalt ore beneficiation test and analysis should be carried out first. After the composition is determined through analysis, a suitable cobalt ore beneficiation process plan and a complete set of cobalt ore beneficiation processes should be designed according to the actual situation. a href="/ore/cobalt" target="_self">Cobalt ore beneficiation equipment to obtain the ideal return on investment.