Jun 23, 2021 · All the magnetite ore is crushed by primary crushers to 300 mm with a total capacity of 6,500 t/h. The crushed ore is stored in a storage area, then picked up by bucketwheels to supply the enrichment plants. At the Guelb plants, magnetite ore is enriched from 37% to 66% using mainly dry processes in the form of lowintensity magnetic separators.