Cobalt physical and chemical properties which determine the heat-resistant alloy is the production of cemented carbide, corrosion alloy, magnetic alloy, and a cobalt salt variety of important raw materials.
Cobalt-based alloys or cobalt-containing alloy steels are used as vane blades, impellers, ducts, jet engines, rocket engines, components of missiles, and various high-load heat-resistant components in chemical equipment and important metal materials for the atomic energy industry. Cobalt as a binder in powder metallurgy can ensure a certain toughness of cemented carbide. Magnetic alloys are indispensable materials in the modern electronics and electromechanical industries for the manufacture of various components of acoustic, optical, electrical and magnetic equipment. Cobalt is also an important part of permanent magnetic alloys. In the chemical industry, cobalt is used in high-temperature alloys and anti-corrosion alloys, as well as in colored glass, pigments, ruthenium and catalysts, desiccants, and the like. According to the British "Metal Guide", the demand for cobalt from the hard metal sector and superalloys is relatively strong. In addition, cobalt has the highest growth rate in the battery sector. According to domestic reports, the application of cobalt in the battery industry, diamond tool industry and catalyst industry will be further expanded, and the demand for metallic cobalt is on the rise.
Co deposit is generally divided into separate cobalt arsenide deposit, cobalt sulfide and cobalt deposits bauxite deposits three, and their industrial industrial performance requirements in the table below.
Cobalt industry requirements | ||
item     Head | Cobalt sulfide (and cobalt arsenide) | Cobalt ore |
Boundary grade (cobalt: %) | ≥0.02 | ≥0.3 |
Industrial grade (cobalt: %) | ≥0.03~0.06 | ≥0.5 |
Boundary ore ratio (cobalt ore: kg/m 3 ) | 　 | ≥1 |
Industrial ore ratio (cobalt ore: kg/m 3 ) | 　 | 3~5 |
Available thickness (m) | ≥1 | ≥0.3~1 |
Stone removal thickness (m) | 1 | 　 |
peel  from  ratio | 　 | <1 |
In addition to cobalt deposits alone, dispersed in a large number of deposits skarn iron ore, vanadium and titanium magnetite, epithermal ore, copper ore types, the deposition of cobalt manganese ore, copper-nickel sulfide ore, nickel silicate, etc. Although its grade is low, its scale is often large, which is the main source of cobalt extraction. There is no uniform regulation for the evaluation index of the associated cobalt in the comprehensive deposit. Generally, the ore with good smelting performance has a cobalt content of more than 0.01%. The grade of cobalt concentrate is worth 0.2%. If the metal deposit is large in scale and the comprehensive recovery effect of ore is good, how much is the cobalt? [next]
Cobalt-sulfur concentrates are classified into six grades according to chemical composition and concentrate, and are calculated according to dry grade. The following provisions should be met (see table below):
Cobalt-sulfur concentrate concentrate classification standard | ||||||||
Wait  level | Chemical Composition | |||||||
Co is not less than | S is not less than | Impurity is not greater than | ||||||
Cu | Zn | Mn | SiO 2 | Pb | As | |||
1 | 0.45 | 25 | 0.5 | 0.2 | 0.04 | 7 | 0.2 | 0.06 |
2 | 0.4 | 25 | 0.6 | 0.2 | 0.06 | 10 | 0.2 | 0.08 |
3 | 0.35 | 25 | 0.7 | 0.2 | 0.08 | 13 | 0.2 | 0.1 |
4 | 0.3 | 25 | 1 | 0.2 | 0.1 | 16 | 0.2 | 0.1 |
5 | 0.25 | 25 | 1.2 | 0.2 | 0.1 | 18 | 0.2 | 0.1 |
6 | 0.2 | 25 | 1.2 | 0.2 | 0.1 | 20 | 0.2 | 0.1 |
Note: The particle size requirements are all passed through the water screen 80 mesh. | ||||||||
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