phosphate rock dolomitic

  • Continuous Beneficiation of Dolomitic Phosphate Ores.

    Continuous Beneficiation of Dolomitic Phosphate Ores. NIOSHTIC No. Over 80 pct of domestic phosphate rock, which is the starting material for phosphorus-containing fertilizers, comes from central Florida deposits. As higher grade deposits are depleted, lower grade phosphate ores containing mgo in the form of dolomite are encountered.

  • SEPARATING DOLOMITE FROM PHOSPHATE ROCK BY REACTIVE ...

    Generally, acidulation of phosphate rock requires a feed of less than 0.8 % MgO, which has not been achieved at a commercial scale with ores high in MgO. Dolomite is also a worldwide problem. All of the major phosphate-producing countries have faced, or are going to face, the dolomite problem.

  • Optimization of thermal beneficiation of a low ... - DeepDyve

    Optimization of thermal beneficiation of a low grade dolomitic phosphate rock Substantial amounts of such low grade phosphorites are found along with high grade ore in some areas of Hazara (Pakistan).