Understanding the Manganese Ore Flotation Process

At present, more than 150 types of manganese minerals and manganese containing minerals have been discovered, with more than 20 commonly found, mainly including soft manganese ore, hard manganese ore, water manganese ore, black manganese ore, rhodochrosite, etc; The commonly used manganese ore beneficiation methods include washing, gravity separation, strong magnetic separation, flotation, pyrometallurgical enrichment, and hydrometallurgy.

Manganese minerals have a complex mineral composition, closely coexisting with gangue minerals, and are prone to mud formation, making flotation treatment difficult; Industrial production often uses anionic collectors for positive flotation, while anionic collectors for reverse flotation and cationic collectors for reverse flotation are less commonly used; At present, there is a general trend towards using combined processes such as magnetic levitation or heavy levitation.

Typical beneficiation plant

The Huayuan manganese ore dressing plant is a marine sedimentary manganese carbonate deposit, with an industrial type of “Xiangtan style” manganese carbonate deposit. The natural type of ore is mainly manganese carbonate ore; Manganese minerals are mainly rhodochrosite, followed by calcium rhodochrosite, magnesium rhodochrosite, manganese calcite, etc. Other metal minerals include pyrite, limonite, etc. Vein minerals are mainly quartz, calcite, etc. The specific process is as follows:

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