patents on phosphate rock benefication



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Patents on Phosphate processing - bone and rock phosphate ,

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

Stonegate Agricom Ltd - Paris Hills Phosphate Project - Thu Mar 2 ,

The Paris Hills Phosphate Project is located in Bear Lake County, Idaho, just west of the , Property holdings consist of three patented lode mining claims and 21 , of direct-ship, concentrate-quality phosphate rock (no beneficiation required).

Beneficiation of partially altered sedimentary phosphate rock ,

See figure: 'Fig 3 Beneficiation of partially altered sedimentary phosphate rock , Another phosphate flotation collector was patented by Yu and Xue (1996)

Dissolution of Calcareous Phosphate Rock from Gafsa (Tunisia ,

Phosphate Rock; Dissolution; Phosphoric Acid; Porosity Evolution; Dissolution , “Phosphoric Acid and Additional Products from Phosphate Ore,” US Patent, Vol , “Benefication of Mardin-Mazidagi (Turkey) Calcareous Phosphate Rock Using.

Flotation of a carbonate rich sedimentary phosphate rock ,

Abstract A large portion of the world's phosphate reserves are sedimentary type containing appreciable amounts of carbonate minerals These are the most.

Patent US3035867 - Phosphate rock slurries containing a viscosity ,

Core/f BY I HTTORNEY United States Patent PHOSPHATE ROCK , its being pumped through the various procedural steps desired, including beneficiation and.

Reagents used in the flotation of phosphate ores: A critical review ,

The literature on the processing of phosphate rocks by flotation is critically reviewed Commonly used , demand must be met through the mining, beneficiation, and chemical ,, Beneficiation of Phosphate Ore, US Patent # 4,144, 969 Snow.

Comprehensive Recovery and Sustainable Development of ,

10 Nov 2014 , Uranium, Radium, and Thorium Content in Phosphate Rocks and Their , of endogenetic phosphate rock in north China”, Beneficiation of , Phosphatic Waste Materials for production of Ceramic Wares, US Patent No

Technical Papers and Patents | Hazen Research

, authored technical papers Hazen has participated in over 280 technical patents , Patent 5,736,113 Method for beneficiation of trona Patent 5,725,613 , Patent 3,681,931 Treatment of phosphate rock slimes by freezing Patent 3,681,016.

arrangement + Historikerdialog Type

1 day ago , We are providing information such as Mining , Technology, Applications, Patent, Consultants, Plants: Phosphate Rock Mine & Beneficiation.

Techno Market Survey on Technologies for Utilisation of Low Grade ,

The current annual domestic demand of apatite and rock phosphate is of the order of , A review of technologies including patent applications world over with , of indigenous low grade phosphate rock as such or even after beneficiation for.

Process Extends Phosphate Reserves, Eliminates Waste | Powder ,

21 Oct 2015 , Phosphate rock is mined and beneficiated to produce a raw material for , Beneficiation of the matrix, consisting of washing, sizing, and , JDC Phosphate, Fort Meade, FL, has patented a new way to make phosphoric ac

Patent US6994786 - Phosphate beneficiation process using methyl ,

7 Feb 2006 , A process for use in a phosphate ore beneficiation process to , esters and reagents are added to a deslimed and sized phosphate rock slurry.

Patent US4364824 - Flotation of phosphate ores containing ,

21 Dec 1982 , The phosphate concentrate is collected as the cell underflow , Froth flotation and skin flotation beneficiation are conventionally used to remove , contains large rocks or agglomerates ("mud-balls") which must be reduced in.

Phosphate - Geoscience Australia

Phosphate rock is primarily mined to produce chemical fertilisers for the agriculture , In addition, the company received a patent for the beneficiation plant that.

Ecophos - News

EcoPhos patented a new product for animal feed and fertilizer fields , to digest the phosphate rock in order to produce dicalcium phosphate fertilizer grade

Phosphate Primer - Florida Industrial and Phosphate Research ,

In 1842 Lawes was given a patent on this idea, which permitted him to , to take the lead in the mining of rock phosphates and the production of superphosphate.

Method for manufacture of phosphoric acid from phosphate rock ,

22 Aug 1978 , United States Patent 4108957 , The method of claim 1 wherein the phosphate rock is crushed to a particle size of less than about 1 micron 7 , The beneficiation process is for the purpose of concentrating the rock so that the.

Phosphorus Platform - Ecophos

Its patented process allows for valorizing low and high grade natural and urban phosphate sourc , Valorization of low grade rock phosphate to produce fertilizer, animal feed and all grades of phosphoric acid as well , No rock beneficiation

PRODUCTION OF AMMONIUM PHOSPHATES - Patent application

22 Mar 2012 , Wet digestion of phosphate rock is the most common process , 2 obtained by the beneficiation of mined phosphate rock is subjected to.