No.169, Science (Kexue) Avenue,National HI-TECH Industry Development Zone, Zhengzhou, China
[email protected]
0086-371-86549132
No.169, Science (Kexue) Avenue,National HI-TECH Industry Development Zone, Zhengzhou, China
[email protected]
0086-371-86549132
May 26, 2018 Abstract. Ecophos s.a. has developed a unique modular process for the valorization of low-grade phosphate rock and/or various alternative P resources such as sewage sludge ash on the basis of soft digestion by hydrochloric acid or phosphoric acid.
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phosphate industry ECOPHOS ... Low grade rock No beneficiation Low water consumption Low energy consumption Robust process High yield ... Process. DUNKERQUE PLANT RAW-MATERIALS AN PRODUCTS INPUT Phosphate rock: 0.5-2.0t/t DCP 1.2-4.9t/t P2O5 HCl as 100%: 0.3- 1.0t/t DCP 0.7-2.4t/t P2O5
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EcoPhos HCl process is a unique method to valorize (low grade) phosphate rock and Ashes to well known high quality market products o Less/No beneficiation of raw material needed, lower cost o Lower variable cost: Low cost raw materials high P205 yield (93-98%) o Saving cost on energy consumption (no stripping, concentrated PA
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1/ Low grade rock phosphate Rock containing to much impurities to be used in the conventional wet process. As impurities we can consider high level of Mg, Fe, Organics, Heavy metals, ... • Adaptation of EcoPhos process used for low-grade rock to fly ashes 2. Phosphoric acid route
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Ecophos s.a. has developed a unique modular process for the valorization of low-grade phosphate rock and/or various alternative P resources such as sewage sludge ash on the basis of soft digestion ...
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Low-grade rock, Sewage Sludge Ash no beneficiation no pre-treatment 12 Low P 2 O 5 High Mg, Fe, Al High HM High organics High Cl Conventional process EcoPhos process Viable process using low-grade rock or urban waste Reduced production cost
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Now, with the Ecophos process, quimpac will have the choice either to work with foreign or national rock to produce the same high quality end-product." In addition to this project, EcoPhos has signed licensing with Eurochem in kazachstan and Namphos in Namibia (subsea rocks) to valorise their low grade rock phosphate containing high level of ...
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Oct 18, 2018 ESPC3 - Rob de Ruiter - Ecophos - Status of phosphorus recovery and low-grade rock processing site 1. June 12, 2018 STATUS OF P-RECOVERY AND LOW- GRADE ROCK PROCESSING ECOPHOS PLANT IN DUNKERQUE, FRANCE ROB DE RUITER HELSINKI, FINLAND 2.
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The Ecophos Process: Highest Quality Market Products Out of Low-Grade Phosphate Rock and Sewage Sludge Ash. Mohamed Takhim, Marc Sonveaux, Rob de Ruiter. Pages 209-219.
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Sep 01, 2014 Now, with the Ecophos process, quimpac will have. WWW.EuROPEOuTLOOkMAG.COM. ... to valorise their low grade rock phosphate containing high level of magnesium and/or organic materials. Each project ...
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o Production and purification of phosphoric acid from low grade phosphate rock o Unique modular technology platform with multiple combinations o Process and technology supply for all market segments in the phosphate industry ... Labor: Well trained labor to run EcoPhos process
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of High Grade Phosphate Ecophos Process Ecophos process allows to use alternative sources of phosphate in order to produce fertilizer, feed or high grade phosphate ! Ex of alternative source : -Low grade rock phosphate (high content of impurities (Al, Fe, Cd, Mg,) -Ashes from sewage sludge incinerator -
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Low grade rock are phosphate rocks with low P 2 O 5 content or with average P 2 O 5 content but high amount of impurities. Some other phosphate rock of lower grade, can contain more elements. ... EcoPhos process was designed to tolerate up to 15% SiO 2, 10% MgO, 5% Fe 2 O 3 and 5% Al 2 O 3
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Once completed, the investment will be worth 5 billion RMB, and will process 2.2 million tpy of low grade phosphate rock into 400 000 t of high quality feed phosphate, 100 000 t of food grade phosphoric acid, 300 000 t of water soluble fertilizer, and 1.5 million t of high purity gypsum.
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Low supply combined with high demand means a price increase. The full dependency of Europe for its phosphate, the depleting of the reserve calls for new technology able to use alternative sources of phosphates (ashes from sewage sludge incineration “Urban mines”, low grade rock phosphate). Ecophos has the technology to use the low grade ...
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Sep 01, 2014 Now, with the Ecophos process, quimpac will have. WWW.EuROPEOuTLOOkMAG.COM. ... to valorise their low grade rock phosphate containing high level of magnesium and/or organic materials. Each project ...
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This deposit contains about 77 mt of rock phosphate ore, of which about 40 mt is low-grade ore (LGO). High-grade rock phosphate with 25-30% P 2 O 5 is sold directly after crushing to fertilizer companies as chips.
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Jan 01, 2018 In this paper, we are presenting a two-step biological process to recover phosphorus solubilizing low-grade phosphate rocks. We start with a “growing” stage, where the biogenic acid produced by the acidophilic bacteria Acidithiobacillus thiooxidans endows the proper conditions for solubilization. It is followed by a “recovery” stage, where the phosphate rock
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Jan 29, 2021 Once finalized, the investment will be worth 5 billion RMB and the facility will process 2.2 million tpy of low-grade phosphate rock into 400,000 ton of high quality phosphate, 100,000 ton of food grade phosphoric rock and 300,000 ton of water-soluble fertilizer and 1.5 million ton of high purity gypsum.
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The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid. The process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid, phosphoric acid and nitric acid, characterized by the fact that the free acidity of the dissolution
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In some low-grade commercial deposits, this may be as low as 4 percent. In the phosphate industry, the phosphate content of the rock is usually expressed as tricalcium phosphate and traditionally referred to as bone phosphate of lime (P 2 O 5 × 2.1853 = BPL). The latter term is reminiscent of the time when bones were the principal source of ...
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They have also agreed to set up a joint venture in which EcoPhos will have majority stake. The DCP JV plant will be set up based on eco friendly, energy efficient and renowned world class technology provided by EcoPhos, utilising hydrochloric acid (HCl) and low grade rock phosphate as feedstock.
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EcoPhos, an innovative provider of technological solutions for the global phosphate market, has awarded Veolia Water Technologies, Inc a contract to supply two state-of-the-art HPD® evaporation and crystallisation systems. Veolia’s HPD® systems will be an essential part of a new fertiliser production facility in Egypt which EcoPhos is providing to its end-customer Evergrow.
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Oct 16, 2008 The invention claimed is: 1. Process for the production of high purity phosphoric acid which comprises the steps of: (a) performing an attack of phosphate rock with a solution of hydrochloric acid to form a slurry comprising 1) an aqueous phase, containing in solution, phosphate ions, chloride ions and calcium ions and 2) an insoluble solid phase containing
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o Production and purification of phosphoric acid from low grade phosphate rock o Unique modular technology platform with multiple combinations o Process and technology supply for all market segments in the phosphate industry ... Labor: Well trained labor to run EcoPhos process
Read More
of High Grade Phosphate Ecophos Process Ecophos process allows to use alternative sources of phosphate in order to produce fertilizer, feed or high grade phosphate ! Ex of alternative source : -Low grade rock phosphate (high content of impurities (Al, Fe, Cd, Mg,) -Ashes from sewage sludge incinerator -
Read More
Once completed, the investment will be worth 5 billion RMB, and will process 2.2 million tpy of low grade phosphate rock into 400 000 t of high quality feed phosphate, 100 000 t of food grade phosphoric acid, 300 000 t of water soluble fertilizer, and 1.5 million t of high purity gypsum.
Read More
This deposit contains about 77 mt of rock phosphate ore, of which about 40 mt is low-grade ore (LGO). High-grade rock phosphate with 25-30% P 2 O 5 is sold directly after crushing to fertilizer companies as chips.
Read More
Jan 01, 2018 In this paper, we are presenting a two-step biological process to recover phosphorus solubilizing low-grade phosphate rocks. We start with a “growing” stage, where the biogenic acid produced by the acidophilic bacteria Acidithiobacillus thiooxidans endows the proper conditions for solubilization. It is followed by a “recovery” stage, where the phosphate rock
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About us Ecophos technologies offered by Prayon provides economical and ecological processes related to phosphate production. During the last 25 years, EcoPhos has developed and patented several processes for the phosphate industry in different applications generating value from: • low to high grade natural phosphate resources to produce fertilizer, animal feed and all
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In some low-grade commercial deposits, this may be as low as 4 percent. In the phosphate industry, the phosphate content of the rock is usually expressed as tricalcium phosphate and traditionally referred to as bone phosphate of lime (P 2 O 5 × 2.1853 = BPL). The latter term is reminiscent of the time when bones were the principal source of ...
Read More
ABSTRACT OF INVENTION The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid. The process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid, phosphoric acid and nitric acid, characterized by the fact that the free acidity
Read More
Oct 16, 2008 The invention claimed is: 1. Process for the production of high purity phosphoric acid which comprises the steps of: (a) performing an attack of phosphate rock with a solution of hydrochloric acid to form a slurry comprising 1) an aqueous phase, containing in solution, phosphate ions, chloride ions and calcium ions and 2) an insoluble solid phase containing
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Jun 01, 2019 1. Introduction. Phosphate rock (pre-concentrated phosphate ore) is considered a critical raw material in the EU (Ladenberger et al., 2018) and may contain relevant concentrations of uranium (Schnug and Haneklaus, 2014) and rare earth elements (REE) (Chen and Graedel, 2015).Extracting uranium during wet phosphoric acid (WPA) fertilizer production is a proven process
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The DCP JV plant will be set up based on eco-friendly, energy efficient and renowned world class technology provided by EcoPhos, utilizing hydrochloric acid (HCl) and low grade rock phosphate as feed stock. In the JV, EcoPhos will have majority stake, while GNFC will be the minority shareholder.
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EcoPhos SA develops and markets agricultural phosphate technology. The Company offers technologies for a beneficiation of low grade phosphate rock, animal feed phosphates applications, phosphoric ...
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“EcoPhos will have majority stake in the proposed JV Company. The DCP JV plant will be set up based on eco-friendly, energy efficient and renowned world class technology provided by EcoPhos, utilizing Hydrochloric Acid (HCl) and low grade Rock Phosphate as feed stock,” the statement highlighted.
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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 heating a mixture of the rock, calcium oxide and a carbonaceous reductant in a reaction chamber at a temperature of at least 1400° C to produce molten reaction products containing ferrophosphorus and a calcium
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