Bosite's carbon-containing complex copper-lead-cobalt-nickel polymetallic sulfide ore beneficiation process, copper-nickel separation

Bosite's carbon-containing complex copper-lead-cobalt-nickel polymetallic sulfide ore beneficiation process, copper-nickel separation
Flotation properties of nickel ores
The mineralogical properties of nickel-copper sulfide deposits around the world are roughly similar. That is, it is mainly composed of pyrrhotite, pentlandite, chalcopyrite, etc. Under epigenetic alteration conditions, it is mainly composed of pyrite, nickelite, chalcopyrite, etc. Common symbiotic minerals are roughly nickelite, tetragonal pyrite, marcasite, graphite, chalcopyrite and a small amount of platinum group minerals, such as arsenic platinum ore and gold-silver ore. Nickel sulfide in ores, The ratio of copper sulfide and iron sulfide mineral contents, the embedded particle size of sulfide mineral aggregates, the embedded relationship between different sulfide minerals and the types of gangue minerals are the main factors that determine the mineral processing process. In the practice of beneficiation, most precious metals are concentrated in flotation concentrates. Due to the importance of platinum group elements and precious metals in the field of modern science and technology, when formulating certain copper-nickel sulfide ore separation processes, for platinum group elements and precious metals need to be considered in detail.
Most nickel-copper sulfide ores have the following properties:
, the sulfide mineral aggregates are embedded with uneven particle size.
Nickel sulfide minerals are easily pulverized and oxidized, and their natural floatability is similar to iron sulfide minerals.
Some useful minerals are magnetic, such as pyrrhotite, pyrrhotite, chalcopyrite and some copper-containing minerals.
Gangue minerals are easy to muddy and have good natural floatability.
Therefore, in the practice of mineral processing based on flotation, coarse grinding, stage grinding, few times of beneficiation, rapid flotation, and desliming, flotation, magnetic separation, and flotation are often used. Joint process.
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