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phosphate rock patents

patents on phosphate rock benefication

benefication for phosphate for sale - spirosurvey. patents on phosphate rock benefication XSM is a leading global manufacturer of crushing and milling equipment (patents on phosphate rock benefication),XSM also supply, Get More Info method for beneficiation of phosphate rock, Chat; Ore Beneficiation Arabia - noworriin.

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US Patent for Preparation of monocalcium phosphate

Monocalcium phosphate, phosphoric acid and/or potassium phosphate, calcium fluoride and gypsum are produced in a process involving acidulation of phosphate rock with phosphoric acid, and wherein monocalcium phosphate dissolved in phosphoric acid is formed during acidulation. In important features, insolubles and impurities are removed and a portion of the monocalcium phosphate may be separated

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phosphate rock patents

patents on phosphate rock benefication XSM is a leading global manufacturer of crushing and milling equipment (patents on phosphate rock benefication),XSM also supply individual (patents on phosphate rock benefication,) crushers and mills as well as spare parts of them. phosphate rock beneficiation - apartmentselrompidoeu.

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Patent Of Dicalcium Phosphate From Rock Phosphate

Process of making dicalcium phosphate from fine phosphate rock, fine dolomite and concentrated phosphoric acid, containing at least 65% by weight of H3PO4, which comprises, reacting the fine phosphate rock with a :suificient quantity of the concentrated phosphoric acid to form monocalcium phosphate; making a slurry of

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US Patent for Beneficiation of high carbonate phosphate

The amount of carbonate mineral impurities is reduced in aqueous phosphate rock slurry by (a) conditioning the slurry with an effective amount of CO.sub.2, (b) adding an effective amount of an anionic collector to the slurry and (c) subjecting the slurry to a froth flotation process whereby the carbonate mineral impurities are concentrated in the froth.

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patents on phosphate rock benefication

patents on phosphate rock benefication oalebakkershoes. The beneficiation of ultrafine phosphate Jameson Cell. Dec 29, 2011 Phosphate beneficiation operations around the world which use flotation as the.. species so that the rock concentrate would be more amenable to. ing the submission of an international patent application (Teague,. 2011).

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US Patent for Beneficiation of phosphate rock Patent

Justia Patents US Patent for Beneficiation of phosphate rock Patent (Patent # 4,083,929) Beneficiation of phosphate rock . Dec 12, 1973 - Dorr-Oliver Incorporated. Beneficiation of phosphate rock containing limestone is accomplished by calcining, cooling, slaking and separation of the slaked lime from the phosphate rock product. The cooling

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US Patent for Phosphate rock benefication Patent (Patent

One source of the phosphate mineral is a substance known as phosphate rock. Phosphate rock is found in significant concentrations in mid-Florida area sedimentary deposits. Within the phosphate mining industry the rock is generally surface mined by the use of draglines, dredges or other apparatus.

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Risks and Opportunities in the Global Phosphate Rock Market

Risks and Opportunities in the Global Phosphate Rock Market phosphate from the sludge from human sewage are underway, however existing infrastructure and governance mechanisms are still an obstacle in EU countries. Robust strategies in times of uncertainty The future of the global phosphate rock market is beset with uncertainty. The

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US Patent for Method for the treatment of phosphate rock

The method for the treatment of phosphate rock that has a content of magnesium compounds in excess of 0.3%. The crushed and screened phosphate rock is mixed with water in a ratio of 1:5 by weight. The mixture is acidified with sulphuric acid, and the reaction mixture is filtered and washed before the neutralization point is reached.

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patent of dicalcium phosphate from rock phosphate

patent of dicalcium phosphate from rock phosphate. US Patent for Production of dicalcium phosphate or monocalcium . Also, a method of producing monocalcium phosphate from calcium be reacted with the phosphoric acid to produce dicalcium phosphate. Patents on Phosphate processing bone and rock phosphate .

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US Patent for Beneficiation of phosphate rock Patent

Justia Patents US Patent for Beneficiation of phosphate rock Patent (Patent # 4,083,929) Beneficiation of phosphate rock . Dec 12, 1973 - Dorr-Oliver Incorporated. Beneficiation of phosphate rock containing limestone is accomplished by calcining, cooling, slaking and separation of the slaked lime from the phosphate rock product. The cooling

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patents on phosphate rock benefication

patents on phosphate rock benefication– Rock Crusher Mill patents on phosphate rock benefication XSM is a leading global manufacturer of crushing and milling equipment (patents on phosphate rock benefication),XSM also supply individual (patents on phosphate rock benefication) crushers and mills as well as spare parts of them.

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US4181703A

The method for the treatment of phosphate rock that has a content of magnesium compounds in excess of 0.3%. The crushed and screened phosphate rock is mixed with water in a ratio of 1:5 by weight. The mixture is acidified with sulphuric acid, and the reaction mixture is filtered and washed before the neutralization point is reached.

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patents on phosphate rock benefication

Phosphate Rock Eneficiation Plant - baoli-forklifts. patents on phosphate rock benefication XSM is a leading global manufacturer of crushing and milling equipment (patents on phosphate rock benefication),XSM also supply individual (patents on phosphate rock benefication.) crushers and mills as well as spare parts of them.

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PROCESS FOR DEFLUORINATION OF PHOSPHATE ROCK

The invention is a process for the manufacture of highly citrate soluble phosphatic materials containing at least 18% P and not more than 0.18% F and involves the thermal defluorination of phosphate rock analyzing between 68 and 74 BPL (BPL = % bone phosphate of lime or Ca3 (PO4)2 equivalent to P2O5 content of the rock). Such phosphate materials are used as animal feed additives.

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Phosphate Rock

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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US4834787A

A process providing solubilization of phosphate rock by contacting the rock with sulfurous acid in the presence of an oxidizing agent selected from the group consisting of hydrogen peroxide and ozone. Use of sulfurous acid in combination with a substoichiometric amount of hydrogen peroxide significantly enhances the solubilization of phosphate rock.

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patents on phosphate rock benefication

benefication for phosphate for sale - ellul. patents on phosphate rock benefication XSM is a leading global manufacturer of crushing and milling equipment (patents on phosphate rock benefication),XSM also supply individual (patents on phosphate rock benefication.) crushers

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Reacting An Acid And Phosphate Rock Patents and Patent

Abstract: Phosphate rock, including low grade phosphate ore, is treated to recover phosphoric acid and other valuable products by a series of steps including contacting phosphate ore with a weak phosphoric acid to form a suspension of at least a portion of the slimes contained in the ore so that the slimes can be separated from the ore, and separating the slimes to provide a deslimed phosphate

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Phosphate Rock Patents

patents on phosphate rock benefication benefication for phosphate for sale - spirosurvey. patents on phosphate rock benefication XSM is a leading global manufacturer of crushing and milling equipment (patents on phosphate rock benefication),XSM also supply, Get More Info method for beneficiation of phosphate rock, Chat; Ore Beneficiation Arabia - noworriin.

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Process for producing defluorinated phosphate rock

Justia Patents US Patent for Process for producing defluorinated phosphate rock granules Patent (Patent # 4,152,398) Process for producing defluorinated phosphate rock granules . Jun 9, 1977 - Olin Corporation. An improved process is described for preparing defluorinated phosphate rock (DPR) granules useful as animal feed from fluorine

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Process for producing defluorinated phosphate rock

Justia Patents US Patent for Process for producing defluorinated phosphate rock granules Patent (Patent # 4,152,398) Process for producing defluorinated phosphate rock granules . Jun 9, 1977 - Olin Corporation. An improved process is described for preparing defluorinated phosphate rock (DPR) granules useful as animal feed from fluorine

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patents on phosphate rock benefiion

Jun 14, 1983 Method for beneficiation of phosphate rock . United States Patent 4388180 . Abstract: A process is disclosed which removes gangue minerals from phosphate rock by forming an aqueous slurry of phosphate rock and its impurities, then using a low boiling, nonpolar, water insoluble, bridging hydrocarbon to selectively agglomerate the

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Phosphorite

Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate minerals. The phosphate content of phosphorite (or grade of phosphate rock) varies greatly, from 4% to 20% phosphorus pentoxide (P 2 O 5). Marketed phosphate rock is enriched (beneficiated) to at least 28%, often more than

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patent of dicalcium phosphate from rock phosphate

US Patent for Production of dicalcium phosphate or monocalcium . Aug 25, 1999 Also, a method of producing monocalcium phosphate from calcium be reacted with the phosphoric acid to produce dicalcium phosphate. Patents on Phosphate processing bone and rock phosphate . But acid treatment of rock phosphate releases hydrogen fluoride and silicon

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patents on phosphate rock benefication

benefication for phosphate for sale - spirosurvey. patents on phosphate rock benefication XSM is a leading global manufacturer of crushing and milling equipment (patents on phosphate rock benefication),XSM also supply, Get More Info method for beneficiation of phosphate rock, Chat; Ore Beneficiation Arabia - noworriin.

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PHOSPHATE ROCK – PACIFIC FERTILISER

Phosphate rock has up to one fifth the neutralizing power of lime; It is an Australian mined and refined product. We sell soft phosphate and reactive phosphate rock (RPR) in powered or granules both in straights or blended with products like gypsum, biology, sulphur, lime, compost and humates.

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US3035867A

US3035867A US732089A US73208958A US3035867A US 3035867 A US3035867 A US 3035867A US 732089 A US732089 A US 732089A US 73208958 A US73208958 A US 73208958A US 3035867 A US3035867 A US 3035867A Authority US United States Prior art keywords phosphate rock weight percent acids slurry Prior art date 1958-04-30 Legal status (The legal status is an assumption and is not a legal

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US3205062A

In our own work on nitric acid acidulation of phosphate rock following these prior known and suggested procedures it became apparent that the usefully economical production of phosphoric acid by distillation with these known procedures as suggested by the Johnson patents, supra, could not be successful as the corrosion rate on the processing equipment construction materials was much too great

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