phosphate rock patents

patent of dicalcium phosphate from rock phosphate

patent of dicalcium phosphate from rock phosphate,Patent US3391993 Method for preparing feed grade dicalcium,Three United States patents furnish particularly

US4388180A Method for beneficiation of

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

Author: Andrew Rainis

US4834787A Phosphate rock utilization Google

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

Cited by: 2

Mechanical activation of the phosphate rock

The direct application of phosphate rock seems to offer a better alternative in terms of low cost, least energy-intensive and sophistication of processing of the

Phosphate Rock Beneficiating

United States Patent TREATMENT OF PHOSPHATE ROCK SLIMES for beneficiating phosphate rock invariably STATES PATENTS

Phosphate Rock Calcination

Defluorination of phosphate rock Free Patents Online. This invention relates to the defluorination of phosphate rock by calcination in the presence of water vapor,

Phosphorite Wikipedia

Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate minerals. The phosphate content of

Phosphate Rock Minerals Education Coalition

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

US Patent # 4,636,369. Essentially complete

The uranium, yttrium, thorium and rare earth values contained in a phosphate rock are essentially totally recovered therefrom by, during the wet-process preparation

Using Rock Phosphate For Gardens What Does

27-3-2014· Rock phosphate for gardens has long since been used as a fertilizer for healthy plant growth. But exactly what is rock phosphate and what does it do for

Auteur: Susan Patterson

Using Rock Phosphate For Gardens What Does

27-3-2014· Rock phosphate for gardens has long since been used as a fertilizer for healthy plant growth. But exactly what is rock phosphate and what does it do for

US Patent # 4,152,397. Method for the conversion

Magnesium-bearing phosphate rock in small grain size is converted into phosphoric acid so that no by-products, which are difficult to dispose of are produced. The

Patent Of Dicalcium Phosphate From Rock

process for making dicalcium phosphate from rock phosphate. Patent US1235025Process of making dicalcium phosphate . PROCESS OF MAKING DICALCIUM PHOSPHATEDicalcium

Patent Of Dicalcium Phosphate From Rock

Patent US3988420 Processes for the manufacture of . The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure

Patents on Phosphate processing bone and

While some people soon made their luck in patenting processes to convert rock phosphate into soluble phosphates which are easier available to plants, others became

Phosphate rock utilization Patent Europe PMC

Abstract: A process providing solubilization of phosphate rock by contacting the rock with sulfurous acid in the presence of an oxidizing agent selected.

US Patent for Process for the production of

A process for the production of phosphorus from low-grade phosphate rock containing at least 5% by weight of each of iron and aluminum (calculated as their oxides) by

Phosphate AIMR 2013 Australian Mines Atlas

Phosphate rock is the main source of phosphorous which is essential to all forms of life. It is a key component of DNA, it is used in the control of energy transfer

Phosphate Wikipedia

Some phosphate rock deposits, such as Mulberry in Florida, are notable for their inclusion of significant quantities of radioactive uranium isotopes.

phosphate rock digestion with hydrochloric

26-7-2016· Contact Us For Help: wwa.stonecrushersolution/solutions/solutions.html PHOSACID HISTORY 1, ML2R consultancy Phosphoric Acid History Hennig Brand

Auteur: Psp Kdo

Phosphate AIMR 2013 Australian Mines Atlas

Phosphate rock is the main source of phosphorous which is essential to all forms of life. It is a key component of DNA, it is used in the control of energy transfer

Phosphate Rock Or Ore Patents and Patent

Search for Phosphate Rock Or Ore Patents and Patent Applications (Class 423/157.2) Filed with the USPTO

Defluorination of phosphate rock Free Patents

This invention relates to the defluorination of phosphate rock by calcination in the presence of water vapor, and has for its object the provision of certain

THIN FILM DEFLUORINATION OF PHOSPHATE

21-1-1975· Abstract: Defluorination of phosphate rock is carried out by introducing seed particles into a fluid bed reactor and a fluidizing gas to establish a.

Thermal treatment of phosphate rock (Patent)

2-9-1986· An improved process for double-stage calcining organic matter contaminated phosphatic apatite rock of the mineral class generally known as francolites is

PROCESS FOR DEFLUORINATION OF

3-12-1974· BACKGROUND OF THE INVENTION 1. Field of the Invention The invention pertains to defluorinating phosphate rock. 2. Description of the Prior Art

Risks and Opportunities in the Global Phosphate Rock Market

Risks and Opportunities in the Global Phosphate Rock Market The future of the global phosphate rock market is beset with uncertainty. The

patent of dicalcium phosphate from rock

Dicalcium phosphate Wikipedia. Dicalcium phosphate is the calcium phosphate with the formula CaHPO 4 and its dihydrate. The "di" prefix in the common name arises

iron oxide slime suppression in phosphate rock

Patents in Class 209/166 Free Patents Online. CONCENTRATION OF OXIDE COPPER ORES BY FLOTATION SEPARATION,by phosphate rock at less than $4 per ,

11.21 Phosphate Rock Processing US EPA

11.21 Phosphate Rock Processing 11.21.1 Process Description1-5 The separation of phosphate rock from impurities and nonphosphate materials for use in