Renewable Energy (Electricity) Regulations 2001
713Production of magnetite concentrate
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713 Production of magnetite concentrate
The production of magnetite concentrate is the physical transformation of magnetite ore (ore containing Fe3O4 that has a key property of ferrimagnetism) to produce saleable magnetite (Fe3O4) concentrate that: (a) has a concentration of iron (Fe) equal to or greater than 60% of the concentrate on a dry weight basis; and (b) has a particle size of less than 75 microns for at least 80% of the concentrate.
Note: Ferrimagnetism is ions of iron (Fe2+ and Fe3+) spontaneously aligning in the sublattice of a crystalline solid to produce a net magnetic moment that is observed as permanent magnetisation of the solid at normal room temperature.