how to remove phosphorus from iron ore

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Evaluation of the Acid Baking Technique to Decrease the ,

A fast and efficient way of applying energy to iron ore particles is the use of microwave to heat the particl Thus, we propose a treatment using microwave heating while mixing with a dilute aqueous solution of sulfuric acid, followed by quenching during leaching with water, as a feasible route for the phosphorus removal from iron ore particl...Know More

Synchronous Upgrading Iron and Phosphorus Removal ,

employed to enhance the reduction roasting of oolitic hematite ore, growth of metallic iron grains and removal of phosphorus in a short time, thus improving the efficiency 2 Experimental 21 Raw Materials 211 Oolitic Hematite Ore The oolitic hematite ore with high phosphorus content used in the paper was collected from Western Hubei, China...Know More

Phosphorus distribution in BIF

Nov 29, 2013 0183 32 The Brockman Iron Formation is one of the most important sources of iron ore in Australia The usable reserves are limited, however, by high phosphorus levels within some of the orebodi Understanding of the nature and distribution of this phosphorus is critical when techniques are being devised to upgrade the ores for ironmaking...Know More

Removal of Phosphorus From High Phosphorus Iron Ores by ,

May 01, 2011 0183 32 Based on the above rea- sons, the use of these iron ores is limited in the in- dustry Therefore, how to choose an effective meth- od of removing phosphorus is the key factor for ration- al using the high phosphorus iron ore resources, which is very important for the development of iron and steel industry...Know More

Removal of phosphorus from induction melted iron/steel

Feb 02, 2017 0183 32 Naturally there came about a shortage of iron ore and especially low phosphorus iron ore The issue of phosphorus has bedevilled the further development of steel made using Induction furnaces and ....Know More


REMOVAL OF PHOSPHORUS THROUGH ROASTING OF OOLITIC IRON ORE WITH ALKALINE EARTH ADDITIVES K Ionkov 1, S Gaydardzhiev 2, D Bastin 3, A Correa de Araujo 4 and M Lacoste 5 ABSTRACT The present study is devoted to improvement of the leaching efficiency during phosphorous removal from high phosphorous gravity-magnetic ,...Know More


The current study was focused on the removal of sulfur from iron ore concentrate using chemical leaching technique Magnetite iron ore concentrate was chosen for this purpose The results obtained from the study showed that more than 90 of the total sulfur content was removed from the iron ore concentrate by the chemical leaching Effects of ....Know More

Removing phosphorus from iron

To remove phosphorus from iron to a desired level, a charge of the iron is melted in a vessel followed by either i supplying gas such as 40 CO 2 9 CO 51 H 2 to the charge before melting is complete, or ii adding, to the charge, iron which is partly or wholly oxidized equivalent to adding iron ore of up to 8 of the charge weight, or a combination of i and ii , such as ,...Know More

Effect of Temperature on Removal of Phosphorus from ,

phosphorus levels in the ore can be lowered to a commercially acceptable value of around 008 weight per cent phosphorus P With increasing heating temperatures up to 1300C, the extent of phosphorus removal increased This is considered to be associated with mineralogical changes in the iron oxide phas in the ore during the heating...Know More

Froth Flotation of Iron Ores

Jan 02, 2012 0183 32 With the depletion of high grade iron ore, the removal of alumina containing minerals and phosphorous from low grade iron ore has received increasing attention in iron ore industry The flotation behaviour of kaolinite was found to be opposite to that of quartz and special care has to be taken for the successful removal of the clay mineral ....Know More

Removal of Phosphorus from High Phosphorus Iron Ores in ,

In the process of resource utilization of high phosphorus iron ores, phosphorus should be removed first Compared to other dephosphorization methods, selective leaching with acid has special advantages such as high dephosphorization ratio, low iron loss and so on However, a large amount of acidic wastewater containing phosphorus was produced after acid leaching...Know More

Comparative Assessment of Phosphorus Removal from ,

The iron ore was found 1 to contain an average of 112 phosphorus and after the dephosphorization process, 9161 phosphorus removal was attained with 1 sulfuric acid after leaching for 20 min at...Know More

Understanding the high

reducing agent used to remove the oxygen from the iron ore minerals The BF route uses carbon in the form of metallurgical coal while the DR route generally uses natural gas, and is mainly used in regions such as the Middle East where gas prices are relatively low In the BF, iron ore is melted at a high temperature, along with fluxes, producing...Know More


«661 413 » phosphorus and potassium removal assessment in omitted plot...Know More

Leaching Dicalcium Silicates from Iron Ore Sinter to ,

Although dicalcium silicates can constitute up to 10 vol of many modern hematite/goethite iron ore sinters, traditional mineralogical investigations , Leaching Dicalcium Silicates from Iron Ore Sinter to Remove Phosphorus and Other Contaminants...Know More

Phosphorus Removal from Goethitic Iron Ore with a Low ,

removing phosphorus from molten iron exist,2 a number of factors such as financial penalties and market access make it attractive to ensure that phosphorus is removed from the iron ore prior to its use in smelting Market specifications for phosphorus in iron ore exported from Australia are typically 0075 P 3 The bulk of produc-...Know More

how to extract phosphorus from iron ore

Iron Ore Phosphate Removal ProcessFactors Affecting Phosphate Removal from Iron OreRecommendations Foriron Ore Phosphate Removalto Wrap Up 1 Magnetic Separation Process 1 Pros Due to the magnetic differences between phosphorus and iron minerals in phosphate ore, conditions are provided for magnetic separationof phosphorus Because of ,...Know More

Part 2 Physical Chemical Phosphorous removal

Monthly Average Total Phosphorus mg/l Influent Total Phosphorus Effluent Total Phosphorus Avg Inf TP = 035 mg/l Avg Eff TP = 009 mg/l Activated Sludge with Bio-P Single Point Alum = 40-50 mg/l Polymer dose = 02- 03 mg/l UV Disinfection South Lyon, MI 000 010 020 030 040 Jan-07 Mar-07 May-07 Aug-07 Oct-07 Jan-08 Mar-08 Jun-08 Aug-08 ....Know More

How to Remove Phosphorus from Iron Ore? miningpedia

Heating at higher temperatures, up to 500 176 C, with heating times of 05 h to 4 h, gave no improvement in phosphorus removalSimilar phosphorus removal was achieved by heating the ore at 300-350 176 C ....Know More

Dephosphorization of High

Results show that the three strains of A niger could grow well in the broth, and effectively remove phosphate from high-phosphorus iron ore during the experiments Meanwhile, the total iron in the broth was also increased Acidification of the broth seemed to be the major mechanism for the dephosphorization by these strains...Know More

Removal of phosphorus from high

Fundamental experiments were conducted with the aim of crude separation of the phosphorus contained in high-P iron ore prior to the ironmaking process By reducing high-P iron ore with lime and graphite at an appropriate blending ratio and temperature, a reduction product was obtained consisting of a P-concentrated phase, metallic Fe with low P ....Know More

Synchronous Upgrading Iron and Phosphorus Removal from ,

May 24, 2016 0183 32 Li et al reported the effect of sodium sulfate on reduction roasting and P removal from high-phosphorus oolitic hematite oreThe results showed that a magnetic concentrate with total iron grade of 927 and phosphorus content of 009 was produced from an oolitic hematite ore containing 4896 iron and 161 phosphorus, where reduction of the iron ,...Know More

How Hard To Remove Phosporus In Iron Ore

M J Fisher-White 18 has studied the effects of a heat treatment with sodium hydroxide followed by leaching with water and a caustic leach on the removal of phosphorus from goethitic iron ores, and he found that phosphorus associated with the goethite in high-phosphorus iron ores can be removed to 0075 P 015 wt in raw ore using a heat...Know More

Technological Challenges of Phosphorus Removal in High ,

Nov 29, 2019 0183 32 of sustainable procedures to valorize and exploit high-phosphorus iron ores which are most likely to be the predominant iron ore grade of the future For instance, China is reported 21 to be rich in high-phosphorusironores,constitutingsome1486 oftotalreservesandreaching745Gt,whichplaces ,...Know More

The removal of phosphorus from reject water in a municipal ,

Aug 14, 2008 0183 32 The phosphorus concentration in the reject water was reduced by 90 during bioreduction of iron ore The phosphorus removal rate did not depend on specific surface area of iron ore particles when the particle size of iron ore was smaller than 7 mm The organic carbon removal rate did not seem to be dependent on iron ore particle size...Know More

How do you remove iron from iron ore?

Jun 21, 2012 0183 32 Iron ore comes as a mixture of Ferric and Ferrous Oxide forms of iron oxide At the smelter it is mixed with coke and limestone The coke is the reducing compound The limestone or some other ....Know More

Froth Flotation of Iron Ores

received increasing attention in the iron ore industry The industrial practice and latest research activities in this area are closely reviewed Keywords Iron Ore Flotation, Reverse Cationic Flotation, Reverse Anionic Flotation, Alumina Removal, Phosphorus Removal 1 Introduction With the depleting reserves of high-grade iron ore in the...Know More

Removal of Phosphorus from Lisakovsky Iron Ore by a Roast ,

Oct 04, 2013 0183 32 Removal of Phosphorus from Lisakovsky Iron Ore by a Roast-Leach Process Courtney Young 4, Akram Alfantazi 5, Corby Anderson 6, Amy James 7 , Mr V A 2003 Removal of Phosphorus from Lisakovsky Iron Ore by a Roast-Leach Process, in Electrometallurgy and Environmental Hydrometallurgy, Volume 2 eds C Young, A Alfantazi, ,...Know More

Phosphorus Removal from Goethitic Iron Ore with a Low ,

The phosphorus in high-phosphorus gt 01 P iron ores from the Pilbara area of Western Australia is mainly associated with the goethite fraction of the ore Physical separation methods and simple leaching processes do not remove sufficient phosphorus from the ores to meet market specifications of 0075 P Processing to disrupt the goethite ....Know More