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phosphate rock |
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phosphoriteor phosphate rockRock with a high concentration of phosphates in nodular or compact masses. The phosphates may be derived from a variety of sources, including marine invertebrates that secrete shells of calcium phosphate and the bones and excrement of vertebrates. Typical phosphorite beds contain about 30% phosphorus pentoxide (P2O5) and constitute the primary source of raw materials for phosphate fertilizers. Significant deposits in the U.S. include the Phosphoria Formation in Idaho and the Monterey Formation in California. Major deposits also occur in the Sechura Desert in Peru. phosphate rock [′fä‚sfāt ′räk] (materials) A rock that is naturally high enough in phosphorus to be used directly in fertilizer manufacturing. The beneficiated concentrate of a phosphate deposit. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Tricalcium phosphate is a food grade material refined from phosphate rock. Phosphate rock and sulphuric acid are the two main ingredients needed to make phosphate fertilizer. Instead of remaining the exporters of phosphate rock exports only, the Jordanian Phosphate Mines Company adopted the strategy to move into the production and exports of finished products that utilize rock phosphate as input. |
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