Removing phosphorous from iron 0104841 EP83305416B1 EPO Application Sep 15 1983 Publication Jul 30 1986 Colin Bodsworth Description
Get PriceHowever phosphorus can be removed from iron ore by physical processes magnetic separation flotation and selective agglomeration chemical leaching thermal and bioleaching processes
Get PriceTo 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 would at 1600
Get PriceAgbaja iron ore a high phosphorus iron ore has been characterized using a variety of analysis techniques in an attempt to unravel the presentation and distribution of phosphorus in the iron ore between the iron rich phase and the gangue mineral s which will be very useful in planning effective beneficiation and phosphorus removal strategies
Get PriceHeating at higher temperatures up to 500°C with heating times of h to 4 h gave no improvement in phosphorus phosphorus removal was achieved by heating the ore
Get PricePhosphorus removal Phosphorus contained in the iron ore and the scrap metal that are used to start the steel making process can seriously damage the properties of steel In large quantities it lowers the ductility of the steel making it easy to fracture when it is cold worked Read more
Get PriceHow To Extract Phosphorus From Iron Ore how hard is to remove phosporus in iron ore to have a low phosphorus level in the iron ore since it can affect the quality of the steel While methods for 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
Get PriceIn 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
Get PriceResults 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
Get PriceThe induction furnace steel is then tapped onto this slag The rapid mixing of the slag with the steel during tapping completes the removal of phosphorus even while tapping is going on The slag
Get PriceThe removal of phosphorus from iron ore by leaching 01/05/1989 A hydrometallurgical method for the removal of phosphorus from iron ore is presented The apatite content ∼ 1% of a Swedish ore is removed > 95% by leaching the ore with nitric acid The iron loss is less than 005% while the alkali metal content is greatly reduced > 60% The quality of the ore as a sinter feed has been
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Get Pricethe mining process of phosphates Mining and Beneficiation of Phosphate Ore IntechOpen 08/01/2024 The first commercial production of phosphate rock began in England in 1847 A wide variety of techniques and equipment is used to mine and process phosphate rocks in order to beneficiate lowgrade ores and remove impurities The eighth chapter of this book deals with mining and beneficiation of
Get PriceSynchronous Upgrading Iron And Phosphorus Removal Li et al extracted the iron from oolitic hematite ore by deep reduction at 1200 C for 60 min with 25 coal content followed by wet magnetic separation of the reduced ore with the iron powder produced containing Fe total P with a corresponding iron recovery of 15
Get PriceA method for dephosphorizing iron oxide bearing material containing phosphorus comprising a mixing with the material an additive selected from the group consisting of alkaline earth
Get PriceThe process of removing phosphorus from iron ore linked to the concept of selective agglomeration is well grounded in the work of Sirianni et al Sparks and Sirianni 1974 applied the technique to remove the iron ores phosphorus from Snake River northern Canada The content of phosphorus
Get PriceSulfuric acid is the most effective among the three kinds of acid % phosphorus removal was attained with 1% sulfuric acid after leaching for 20 min at room temperature Iron loss during acid leaching can be negligible which was less than %
Get Priceremoving sulfur from iron ore Know More removing sulfur content in iron ore bioleaching iron ore sulfur Posts Related to is silica content good or bad in iron ore low iron silica how to reduce sulphur View quotes gt >Sulfur Ore Play Rust Wiki Sulfur Ore can be obtained when you hit Rocks with your Hatchet or Pick Axe You have a chance to get sulfur ore and Metal Ore from the
Get PriceMechanism of phosphorus removal in beneficiation of high methods are found to be impracticable to remove phosphorus from the ore effectively reverse flotation to treat the refractory oolitic iron ore of the western Hubei Province difficult to attain the separation of iron and phosphorous minerals
Get Pricethe results show that under the proper conditions a final metallic iron powder assaying over 91% fe and % p was obtained with iron recovery of 90% and phosphorus removal rate of % using the new process indicating that the high temperature flash reduction process is a feasible and efficient way to process this kind of complex and …
Get Price1 Scope This International Standard specifies a titrimetric method for the determination of the phosphorus content of iron ores using hexaammonium heptamolybdate ammonium molybdate This method is applicable to a concentration range of 0 10 % m / m to 5 0 % m / m 1 of phosphorus in natural iron ores and iron ore concentrates and
Get PriceA new method gas based separation plus melt separation has been proposed to remove phosphorus of the high phosphorus iron ore which was % of phosphorus content and % of iron content HSC chemistry package and the coexistence theory of slag structure were adopted for theoretical analysis The gas based reduction was carried out using a fixed bed reactor and the ore sample of 80 g with
Get PriceHow Hard To Remove Phosporus In Iron Ore A wide variety of coal mining equipment for sale options are available to you such as gravity separator jaw crusher and ball mill You can also choose from rubber stainless steel and carbon steel As well as from coal water well and 20 2024 Sulfur and phosphorus associated with iron ore
Get PriceThe investigation into whether or not Bacillus subtilis can remove phosphorus from the Nigerian Agbaja iron ore was carried out with careful monitoring of the population of the removing agent as well as pH of the system / / and / ore fractions obtained from sieving of the crushed iron ore in Shital Test
Get PriceHow Hard Is To Remove Phosporus In Iron Ore Ways To Remove Iron Stains From Clothes 2024/06/08· That is why your white clothes become yellow even after washing properly These iron stains are difficult to remove and can be clearly visible if your clothes are light in colour
Get Priceremoving 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 % P 3 The bulk of produc
Get PriceThe process of removing phosphorus from iron ore linked to the concept of selective agglomeration is well grounded in the work of Sirianni et al Sparks and Sirianni 1974 applied the technique to remove the iron ore s phosphorus from Snake River northern Canada The content of phosphorus was in the range of 034 unacceptable for steel
Get PriceUnited States Patent ice 3 402 041 PROCESS FOR REMOVING PHOSPHORUS FROM IRON ORES Ignatz L Feld Tuscaloosa Ala and Thomas W Franklin and William M Larnpkin New Orleans La assignors to the United States of America as represented by the Secretary of the Interior No Drawing Filed May 6 1966 Ser No 548 823 11 Claims
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Get PriceThe investigation into whether or not Bacillus subtilis can remove phosphorus from the Nigerian Agbaja iron ore was carried out with careful monitoring of the population of the removing agent as well as pH of the system / / and / ore fractions obtained from sieving of the crushed iron ore
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