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- Pneumatic concentration of mica
- A Continuous dielectric separator for mineral beneficiation
- Beneficiation of a phosphate ore produced by borehole mining
- Recovery of phosphate from Florida phosphate operations slimes
- Beneficiation of high-magnesium phosphate from southern Florida
- Continuous beneficiation of dolomitic phosphate ores
- Removal of magnesia from dolomitic southern Florida phosphate concentrates by aqueous SO₂ leaching
- Recovery of phosphate from Florida phosphate slimes
- Use of an arc plasma system to separate gases