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phosphate rock definition

Phosphate rock - definition of phosphate rock by The Free ...

Define phosphate rock. phosphate rock synonyms, phosphate rock pronunciation, phosphate rock translation, English dictionary definition of phosphate rock. n. Any of various rocks composed largely of phosphate minerals, especially apatite, used as fertilizer and as a source of phosphorous compounds.

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Phosphate rock Definition of Phosphate rock at ...

The usual forms are: (a) Ammoniomagnesium phosphate crystals; (b) acid calcium phosphate crystals; and (c) amorphous phosphates. A Manual of Clinical Diagnosis James Campbell Todd When rapidly deposited, as by artificial precipitation, triple phosphate often takes feathery, star- or leaf-like forms.

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Phosphate Rock - an overview ScienceDirect Topics

Rock phosphate. Rock phosphate is a naturally occurring ore of marine sedimentary origin. It may have a composition of 0-30-0, but the grade is noted as 0-3-0, since rock phosphate is sparingly soluble and little of the phosphorus is available to crops. Many of the mines that produced rock phosphate are closed, and most of the marketed rock ...

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Rock Phosphate Definition of Rock Phosphate by Merriam ...

: phosphate rock used as a fertilizer Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

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Phosphate Rock 101 Nexant

Phosphate rock is the only significant commercial source of the element phosphorus. It consists of the calcium phosphate mineral apatite together with quartz, calcite, dolomite, clay, and iron oxide as the so-called gangue constituents. Phosphate rock (or phosphorite) refers to phosphate ores that have been commercially mined.

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Phosphate Rock - an overview ScienceDirect Topics

Rock phosphate, the primary raw material for fertilizer and phosphoric acid, occurs as high-grade ore (+30% P 2 O 5), medium-grade ore (20%–30% P 2 O 5), and low-grade ore (15%–20% P 2 O 5). The very high-grade ore blends with medium-grade ore for direct sale. The high-grade ore is mined, crushed, and sold to various fertilizer plants.

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Phosphate rock definition of phosphate rock by

Phosphate rock is the raw material used to manufacturer most commercial phosphate fertilizers. GCC still reliant on foreign agriculture despite investments Summary: In this study, the origin and structure of the soluble organic matter in the phosphate rock was investigated.

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Rock Phosphate Definition of Rock Phosphate by

: phosphate rock used as a fertilizer Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

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Phosphate Rock - an overview ScienceDirect Topics

Rock phosphate. Rock phosphate is a naturally occurring ore of marine sedimentary origin. It may have a composition of 0-30-0, but the grade is noted as 0-3-0, since rock phosphate is sparingly soluble and little of the phosphorus is available to crops. Many of the mines that produced rock phosphate are closed, and most of the marketed rock ...

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Phosphate Rock Minerals Education Coalition

Phosphate Rock. The term phosphate rock (or phosphorite) is used to denote any rock with high phosphorus content. The largest and least expensive source of phosphorus is obtained by mining and concentrating phosphate rock from the numerous phosphate deposits of the world.

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Phosphate Rock 101 Nexant

Phosphate rock (or phosphorite) refers to phosphate ores that have been commercially mined. There is a particular phosphate rock quality requirement for each process. For example, phosphate rocks used for commercial production of phosphoric acid by the wet process contain about 65 to 87 percent bone phosphate of lime (BPL), depending upon the origin.

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Phosphate Rock - an overview ScienceDirect Topics

Phosphate Rock Mineral Processing. Rock phosphate, the primary raw material for fertilizer and phosphoric acid, occurs as high-grade... Phosphorus and Phosphoric Acid. Phosphate rock of 70 to 75% BPL, or as high as is reasonably obtainable, is finely... Phosphorus Cycle☆. The phosphate rock is ...

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Phosphate Rock Definition of Phosphate Rock by

Definition of phosphate rock in English: phosphate rock. noun. Rock containing a substantial amount of calcium phosphate (usually in the form of apatite). Origin. Mid 19th century. Word of the day. cack-handed / kakˈhandɪd / adjective. See definitions examples. It's here!

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Phosphate Rock Definition of Phosphate Rock by

Rock containing a substantial amount of calcium phosphate (usually in the form of apatite).

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Reserves and Resources DC World Phosphate Rock

of phosphate rock mining and processing has occurred at numerous sites around the world over the past few decades. Vertical integration of phosphate rock mining and processing may be a necessary component to compete in the world phosphate fertilizer market when new deposits are developed.

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What Is Involved in Phosphate Mining? (with pictures)

11-02-2021  Phosphate mining involves the extraction of ores containing chemical compounds rich in substances that contain the phosphate ion. These ores vary in their composition, and different varieties of phosphate rock require different mining techniques. Processing of the mined ore follows extraction.

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Phosphate Rock Minerals Education Coalition

Phosphate Rock. The term phosphate rock (or phosphorite) is used to denote any rock with high phosphorus content. The largest and least expensive source of phosphorus is obtained by mining and concentrating phosphate rock from the numerous phosphate deposits of the world.

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Phosphate Rock Definition of Phosphate Rock by

Rock containing a substantial amount of calcium phosphate (usually in the form of apatite).

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Phosphate Rock Definition of Phosphate Rock by

Definition of phosphate rock in English: phosphate rock. noun. Rock containing a substantial amount of calcium phosphate (usually in the form of apatite). Origin. Mid 19th century. Word of the day. cack-handed / kakˈhandɪd / adjective. See definitions examples. It's here!

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phosphate mineral Description, Uses, Facts Britannica

14-08-2020  Phosphate mineral, any of a group of naturally occurring inorganic salts of phosphoric acid. Phosphates can be grouped as: primary phosphates that have crystallized from a liquid; secondary phosphates formed by the alteration of primary phosphates; and rock phosphates formed from phosphorous-bearing organic material.

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Use of phosphate rocks for sustainable agriculture

Phosphate rock denotes the product obtained from the mining and subsequent metallurgical processing of P-bearing ores. In addition to the main phosphate-bearing mineral, PR deposits also contain accessory or gangue minerals and impurities.

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Mineral Resource of the Month: Phosphate Rock EARTH

Phosphate rock production and consumption. U.S. production of phosphate rock in 2012 was 30.1 million metric tons, valued at $3.08 billion. Total world production of phosphate rock in 2012 was 233 million metric tons. China was the leading producer, with 41 percent of world production, followed by the United States, Morocco and Western Sahara.

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* Rock phosphate (Gardening) - Definition - Online ...

Rock Phosphate-- A naturally occurring product that is not soluble in water. Useful for soils with a high degree of organic matter, but will not break down and be useful to plants in sandy or neutral soils -- needs acidic soils to be catalyzed. A little goes a long way.

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Phosphate Rock Reserves legal definition of Phosphate ...

Define Phosphate Rock Reserves. means the phosphate reserves of the Borrower and its subsidiaries determined from time to time in accordance with the standards set forth in Industry Guide 7 promulgated by the SEC (or any successor provision) that are located within the State of Florida.

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Reserves and Resources DC World Phosphate Rock

of phosphate rock mining and processing has occurred at numerous sites around the world over the past few decades. Vertical integration of phosphate rock mining and processing may be a necessary component to compete in the world phosphate fertilizer market when new deposits are developed.

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Rock Phosphate Fertilizer - Garden Myths

Rock phosphate is accepted in the NOP because it is not synthetic and has not been treated by acids as in super phosphate and other more available forms. Gardeners would not use rock phosphate because at the scale at which most people garden, they can get their phosphorus from compost or bagged fertilizer

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