journals on dephosphorization of iron ore

journals on dephosphorization of iron ore

Dephosphorization of iron ScienceDirect

Melted iron Puddled iron The total dephosphorization is 61 per cent of which 46 per cent is due to the action of fusing it on the bed of the furnace with oxide of iron Only 15 per cent therefore is due to further oxidation an4 to liquation Special Dephosphorization in Puddling with Manganiferous

journals on dephosphorization of iron ore

A study on the dephosphorization of Agbaja Iron Ore using hydrometallurgical process has been carried out The central composite design of 23 response was formulated and used to develop a model equation The optimized result of the equation using Matlab shows that 9797 degree of dephosphorization was obtained at 117 minutes leaching time 02M leachant concentration

CN1107518A Method for microbial chemical dephosphorization of iron

The process for dephosphorizing high P iron ore to obtain powdered iron ore with P content of less than % includes bioprocessing iron orepowder with culture liquor containing Thiobacillus until reaction stops basically adding chemically treating liquid containg tannin stirring and filtering A great quantity of P containing impurities is separated into waste liquid

Effect of additives on iron recovery and dephosphorization by reduction

The effect of CaCO 3 Na 2 CO 3 and CaF 2 on the reduction roasting and magnetic separation of high phosphorus iron ore containing phosphorus in the form of Fe 3 PO 7 and apatite was investigated The results revealed that Na 2 CO 3 had the most significant effect on iron recovery and dephosphorization followed by CaCO₃ the effect of CaF₂ was negligible

Characterization of Chemical Composition and Microstructure of Natural

however for classification and evaluation of quality the raw iron ores can be divided into three basic classes depending on the total fe content i high grade iron ores with a total fe content above 65% ii medium or average grade ores with varied fe contents in the range between 62 64% and iii low grade ores with fe contents below 58% …

A Material Flow Analysis of Phosphorus in Japan

Iron ore coal and limestone are considered separately from phosphate ore as mineral resources and these provide kt/yr of phosphorus FeO = iron oxide De P = dephosphorization This new process is still being tested on the laboratory scale However because steelmaking slag has the greatest potential as a secondary resource of

Research on Iron and Steel 2024 Issue 5 Table of Contents

Research on Iron and Steel Year 2024 Volume 45 Issue 5 Influence of lump ore on metallurgical properties of blast furnace burden Practice of deep dephosphorization in 100 t converter at shouqin metal materials Co Ltd 100t

Investigation of dephosphorization of brown iron ore concentrates by

the regularities of redistribution of phosphorus between ore and slag forming minerals at sintering the brown iron ore concentrate while varying the basicity of the charge from 0 to 2 the possibility to separate ore and slag forming minerals of the sintering products by magnetic separation 2 Experimental Materials and equipment

Dephosphorization of High Phosphorus Iron Ore Using DeepDyve

High phosphorus iron ore is traditionally dephosphorized by chemical process with inorganic acids However this process is not recommended nowadays because of its high cost and consequent environmental pollution With the current tendency for development of a low cost and eco friendly process dephosphorization of high phosphorus iron ore through microbial process with three different sources

journals on dephosphorization of iron ore

Dephosphorization Treatment of High Phosphorus Oolitic Iron Ore Know More As of December 30 2024 Registered articles 7 103 Characterization of Iron Ore Structure Before and After Acids Leaching 32 The dephosphorization of high phosphorus iron ore has been researched in many countries such

Dr Ammasi A Senior Scientist National Metallurgical LinkedIn

National Metallurgical Laboratory Sep 2024 Present3 years 3 months India R D in Ferrous Metallurgy Pyrometallurgy #Dephosphorization of steels in induction furnace #Refining of steels Double slag practice #Slag design and engineering #Production of Ferro alloys Fe Mn Fe Cr Fe V

journals on dephosphorization of iron ore

As of September 02 Registered articles 6 952 Dephosphorization of Iron Ore Bearing High Phosphorous by Carbothermic Reduction the phosphorous in oolitic hematite ores exists in two forms inter grew with iron oxide or gather eliasmatinde witsacza Wits University

Dephosphorization Treatment of High Phosphorus Oolitic Iron Ore by

The dephosphorization of high phosphorus iron ore has been researched in many countries such as physical separation 6 7 8 9 10 bio leaching 11 12 flotation 13 14 hydrometallurgical process 15 16 But the oolitic structure of the ore prevents the effective use of physical concentration and flotation separation and necessitates the use

Upgrading and dephosphorization of Western Australian iron ore using

The iron concentrate assaying % Fe and % P at the iron recovery of % and the dephosphorization rate of % is obtained under the optimum conditions The final product metal iron powder after briquetting can be used as the burden for steelmaking by an electric arc furnace to replace scrap steel

journals on dephosphorization of iron ore

Journal of Asian Scientific Research 2 12 840 855 840 Chemical dephosphorization methods for iron ore were reviewed and tested on the ore samples … Removal of phosphorus from iron ores by chemical leaching

CN103290158A Method for realizing dephosphorization of olitic high

The invention discloses a method for realizing dephosphorization of olitic high phosphorus iron ore by use of biomass charcoal which realizes direct preparation of low phosphorus liquid iron by combining direct reduction and high temperature scrap iron separation The method comprises the following steps of preparing high gasification biomass charcoal breaking the ore charge preparing

Feasibility Study of Dephosphorization of Slag Generated from Basic

Many researchers [13 15] have tried to remove phosphorous from different source of phosphorous by various method The sources may be Iron ore Slag Sludge and different phosphorus containing alloys etc Reduction method Leaching Flotation method vacuum refining and Microwave radiation methods are some of the processes which are in use widely

journals on dephosphorization of iron ore illia

Dephosphorization of High Phosphorus Iron Ore Using 12%Journal of Iron Steel Research International 18 1 4 Article CAS Google Scholar 4 Matinde E Hino M 2024 Dephosphorization treatment of high phosphorus iron ore by pre reduction mechanical crushing and screening methods ISIJ International 51 220 227 Read

Dephosphorization and Desulfurization of Acid Oxide Melts and Produced Iron

Results of iron phosphate behavior thermodynamic modeling in relation to temperature Full size image We assume that x = then a FePO4 = a Fe2O3 = 1 From the temperature dependence of K 3 it is possible to determine that with T = 1302 K p P2O5 = kPa phosphorus tends to be transferred into a gas phase

Dephosphorization of High Phosphorus Iron Ore Using Different Sources

Presumably the dephosphorization process was mediated due to the chemical attack by the secreted organic acids on the high phosphorus iron ore and these organic acids played a vital role in the acidification of the broth which could be illustrated by the decrease of broth pH and thus removed phosphate from the solubilized ore

iron ore dephosphorization

journals on dephosphorization of iron ore dephosphorization of beneficiated ore iron and manganese minerals its interfacial behaviour is closely similar to that of the original ore On the World Iron amp Steel 2024 Issue 1 Read More Mechanism of phosphorus removal in beneficiation of

Journal Papers

The SAIMM is a professional institute with local and international links aimed at assisting members source information about technological developments in the mining metallurgical and related sectors

Huang 2024 PDF Linear Programming Iron

Proceedings of the 18th World Congress The International Federation of Automatic Control Milano Italy August 28 September 2 2024 Two Stage Method and Application for Molten Iron Scheduling Problem between Iron Making Plants and Steel Making Plants Hui Huang Tianyou Chai Xiaochuan Luo Binglin Zheng Hong Wang State Key Laboratory of Integrated Automation for Process

Pilot study of high phosphorus oolitic iron ore for iron recovery and

With the development of the steel industry the use of high grade and easy to handle iron ore is gradually decreasing At present the effective utilization of low grade and refractory iron ore particularly high phosphorus oolitic iron ore has gradually become a research hotspot and a worldwide problem This type of ore is mainly distributed in the USA France Germany Russia and China and

Thermodynamic analysis and experimental study of manganese ore SciELO

A thermodynamic analysis and industrial tests of manganese ore alloying and dephosphorization in converter steelmaking were carried out The conclusions can be drawn as follows Improvement of Mn yield in less slag blowing at BOF by use of sintered manganese ore Tetsu to Hagane Journal of the Iron and Steel Institute of Japan vol 79 pp

Ji J 2024 Study on Dephosphorization Technology for High Phosphorus

Ji J 2024 Study on Dephosphorization Technology for High Phosphorus Iron Ore Mining Metallurgy 12 33 37 has been cited by the following article TITLE KEYWORDS Microwave Treatment High Phosphorus Oolitic Iron Ore Liberation JOURNAL NAME

SUNIL KUMAR Director Iron Steel Bulk Metals Business Unit

Developed new dephosphorization model for Level 2 Process Control Novel MLR model and implemented it on line in melt shop attained benefit in the consumption of De S compound Trouble shooting Operational Problems in melt shop poor vessel life breakouts shop yield scrap / iron ore / hot metal consumption reduce tap temperature

Influence of Sodium Salts on Reduction Roasting of High Phosphorus

The results show that the dephosphorization ability of sodium salts was in the order of Na 2 SO 4 > Na 2 CO 3 > NaCl>no sodium salts Na 2 CO 3 and Na 2 SO 4 transferred Fe 3 PO 7 from the iron oxides to nepheline which upgraded the separation of iron and phosphorus However NaCl did not inhibit the reduction of phosphorus in the iron minerals

Dephosphorization of Metal during the Conversion of Low DeepDyve

Metallurgist Vol 45 Nos 9 10 2024 IN THE RUSSIAN ACADEMY OF NATURAL SCIENCES DEPHOSPHORIZATION OF METAL DURING THE CONVERSION OF LOW MANGANESE PIG IRON IN AN OXYGEN CONVERTER P I Yugov A V Sarychev and L A Baeva One of the most important problems that must be addressed in the production of quality high strength steels is the development of methods for deep dephosphorization of

PDF DEPHOSPHORIZATION OF AN IRON ORE BY A FILAMENTOUS FUNGUS ResearchGate

XII ENTMME / VII MSHMT Ouro Preto MG noviembre 2024 DEPHOSPHORIZATION OF AN IRON ORE BY A FILAMENTOUS FUNGUS Pedro Delvasto 1 2 Antonio Ballester 1 Jesús Angel Muñoz 1 María Luisa

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