There is a manganese ore concentration plant in Polunochnoje (North Ural) which was designed and built for entirely dry concentration processes. The use of this technology made it possible to receive a concentrate with 30% manganese content (up to 19% grade of mined ore), when it is extracted into the concentrate – 79%, the grade of manganese in the tails is up to 8%.
This technology is novel and it considerably outperforms traditional concentration flowsheets. The concentrate received is a standard product for metal industry, concentration rejects are used for construction materials production.
The application of dry electromagnetic manganese ore concentration technology (