CONTACT US

Our Address

Science Avenue, High-tech Zone, Zhengzhou City, Henan Province, China

  • on journals on dephosphorization of iron ore illia

    Journals On Dephosphorization Of Iron Ore Illia Iron Ore Improving Processing Zzpayatwork Steps in processing iron oreMineequipmentshat isIron oreLife123 an iron ore is a rock orMineral from which iron can be extracted the usefulnessOf iron may be simple the process of converting ironOre to iron

  • journals on dephosphorization of iron ore

    Read "Investigation of dephosphorization of brown iron ore concentrates by sintering and magnetic beneficiation, International Journal of Mineral Processing" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • journals on dephosphorization of iron ore

    Chen Youyi;Inquire into Dephosphorization from Iron Ore Concentrate of Meishan Iron Mine[J];METAL MINE;1994-03: 4: New York Science Journal, 2011;4(5) on dephosphorization of the ore

  • A hydrometallurgical process for the dephosphorization of ...

    A process is proposed for the dephosphorization of iron ore. The process consists of an integrated treatment for the removal of the phosphorus from the ore by leaching and further processing of the leach solution. Phosphoric acid is extracted by isoamyl alcohol (iAmOH) and stripped by nitric acid solution.

  • Cited by: 31
  • Dephosphorization - an overview ScienceDirect Topics

    Jan 05, 2012  There are several advantages in the choice of a biotechnological alternative for iron ore beneficiation in place of existing chemical alternatives. 1. Use of indigenous microorganisms isolated from an iron ore deposits makes the process cheaper, flexible, and environment-friendly. 2.

  • dephosphorization iron ore oolitic

    iron ore dephosphorization thermodynamic sale Dephosphorization of Steels, ispatguru. Aug 15, 2016 Dephosphorization of Steels . However, in the recent past, because of high iron ore ps, lower pd iron ores from sources which normally have higher P content are being used and this has made P control an important activity during the steelmaking. .

  • Dephosphorization of unroasted oolitic ores through ...

    The present study of phosphorus removal from an unroasted iron ore via alkaline leaching method examined the possibility of dephosphorization from goethite ore at low temperature. The iron ore concentrate used in this study is an oolitic type of iron ore consisting primarily of goethite, in which phosphorus does not form a discrete mineral ...

  • Optimization of Process Parameters for the ... - IJERT Journal

    Optimization of Process Parameters for the Dephosphorization of iron ore using Nitric Acid - written by T. O. Chime, O. D. Onukwuli, I. O. Ani published on 2016/10/06 download full

  • Dephosphorization of high phosphorus oolitic hematite by ...

    Xia et al. (2011) studied the phosphorus removal from high phosphorus iron ores by selective HCl leaching, and the content of phosphorus in iron ore can comply completely with the requirements of steel production after the dephosphorization reaction. Iron ore with Fe < 60% can be used as raw material to produce the direct reduced iron, by coal ...

  • Removal of Phosphorus From High Phosphorus Iron Ores by ...

    Forssberg R, Asolfsson G. Dephosphorisation of High Phos- phorus Iron Ores by Means of Acid Leaching [J]. Erzmetal, 1981(34): 316. YU Zhang, Mamoun Muhammed. An Integrated Process for the Treatment of Apatite Obtained From Dephosphorization of Iron Ore [J]. Journal of Chemical Technology Biotechnology, 1990, 47(1): 47 (in Chinese).

  • journals on dephosphorization of iron ore

    Investigation Of Ductile Iron Dephosphorization. This page is about journals on dephosphorization of iron ore, click here to get more infomation about journals on dephosphorization of iron orecoal mining processing plant in nigeria this coal mining project is an open pit mine located in nigeria, announced by.

  • investigation of ductile iron dephosphorization

    Investigation Of Ductile Iron Dephosphorization. Investigation Of Ductile Iron Dephosphorization. This page is about journals on dephosphorization of iron ore, click here to get more infomation about journals on dephosphorization of iron orecoal mining processing plant in nigeria this coal mining project is an open pit mine located in nigeria, announced by.

  • journal homepage aessweb/journal

    Journal of Asian Scientific Research 2(12):840-855 840 HYDROMETALLURGICAL PROCESS OF DEPHOSPHORIZATION OF AGBAJA IRON ORE T.O. Chime Department of Chemical Engineering, ESUT, Enugu, Nigeria

  • dephosphorization of iron ore - royalbus.it

    Journals On Dephosphorization Of Iron Ore. Dephosphorization of highphosphorus iron ore is an unsolved problem worldwide so far biotechnology could be a costeffective and environmentfriendly way to solve this problem a novel method for bioleaching of phosphorus from highphosphorus iron ores.

  • Dephosphorization of Steels – IspatGuru

    Aug 15, 2016  Dephosphorization of steels has become a very important metallurgical technique in steelmaking process to produce high quality steels. As the P content is controlled by the reactions in BOF, the double slag technique has generally been applied to obtain low P killed steels. ... Iron ore additions can be helpful to maintain ideal FeO content to ...

  • Investigation Of Ductile Iron Dephosphorization

    Journals On Dephosphorization Of Iron Ore . This page is about journals on dephosphorization of iron ore, click here to get more infomation about journals on dephosphorization of iron orecoal mining processing plant in nigeria this coal mining project is an open pit mine located in nigeria, announced by.

  • Dephosphorization of High-Phosphorus Iron Ore Using ...

    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.

  • Dephosphorization technology of iron ores by ...

    The feasibility and technology on dephosphorization from phosphorous iron ores by bio-leaching were investigated.The results show that Acidthiobacillus ferrooxidans(A.f) can remove phosphor from iron ores and nutrient medium without phosphorus is more effective for the removal than that with phosphorus.The addition of pyrite greatly improves the dephosphorization,and the lower initial pH of ...

  • dephosphorization of iron ore in china, co contact ...

    Journals On Dephosphorization Of Iron Ore. Journals On Dephosphorization Of Iron Ore Illia. Journals on dephosphorization of iron ore. journals on dephosphorization of iron ore illia. The composition of iron concentrate obtained: 64.12% Fe and 0.07% phosphorus with an iron recovery of 96.83%, and a rate of dephosphorization of 74.08%. Figure 2

  • Dephosphorization of High-Phosphorus Iron Ore Using ...

    Mar 31, 2015  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

  • Strengthening iron enrichment and dephosphorization of ...

    Abstract: The efficient development and utilization of high-phosphorus oolitic hematite is of great strategic significance for the sustainable supply of iron-ore resources in China.In this paper, the mechanism of high-temperature pretreatment for enhancing the effect of iron enrichment and dephosphorization in the magnetization roasting–leaching process was studied by X-ray diffraction (XRD ...

  • Influence of Mechanical Activation on Acid Leaching ...

    The results indicated that when high-phosphorus iron ore concentrates containing 54.92 mass% iron and 0.76 mass% phosphorus were directly processed through acid leaching, iron ore concentrates containing 55.74 mass% iron and 0.33 mass% phosphorus with an iron recovery of 84.64% and dephosphorization of 63.79% were obtained.

  • investigation of ductile iron dephosphorization

    investigation of ductile iron dephosphorization Request A Quotation. If you're interested in the product, please submit your requirements and we'd like to hear from you. we will contact you as soon as possible and want to help you any way we can.

  • Journal of Iron and Steel Research International Home

    Journal of Iron and Steel Research International publishes original papers and occasional invited reviews on aspects of research and technology in the process metallurgy and metallic materials. Coverage emphasizes the relationships among the processing, structure and properties of metals, including advanced steel materials, superalloy ...

  • Dephosphorization of High-Phosphorus Iron Ore Using ...

    Mar 31, 2015  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

  • Strengthening iron enrichment and dephosphorization of ...

    Abstract: The efficient development and utilization of high-phosphorus oolitic hematite is of great strategic significance for the sustainable supply of iron-ore resources in China.In this paper, the mechanism of high-temperature pretreatment for enhancing the effect of iron enrichment and dephosphorization in the magnetization roasting–leaching process was studied by X-ray diffraction (XRD ...

  • Influence of Mechanical Activation on Acid Leaching ...

    The results indicated that when high-phosphorus iron ore concentrates containing 54.92 mass% iron and 0.76 mass% phosphorus were directly processed through acid leaching, iron ore concentrates containing 55.74 mass% iron and 0.33 mass% phosphorus with an iron recovery of 84.64% and dephosphorization of 63.79% were obtained.

  • investigation of ductile iron dephosphorization

    investigation of ductile iron dephosphorization Request A Quotation. If you're interested in the product, please submit your requirements and we'd like to hear from you. we will contact you as soon as possible and want to help you any way we can.

  • Journal of Iron and Steel Research International Home

    Journal of Iron and Steel Research International publishes original papers and occasional invited reviews on aspects of research and technology in the process metallurgy and metallic materials. Coverage emphasizes the relationships among the processing, structure and properties of metals, including advanced steel materials, superalloy ...

  • Optimization of Process Parameters for the ... - IJERT Journal

    The Nigeria’s Agbaja iron ore reserve is estimated to be over 1.2 billion tones (Uwadiele, 1991). Iron ore resources are fast depleting as a result of a pressure originating from population and industrial development requirement. However, there exist large stockpiles of low and lean grade ores to be mined, of which Agbaja iron ore is one of such

  • Removal of phosphorus from iron ores by chemical leaching ...

    HUANG Jian-ling, YANG Yun-mei, XIE Hong. A study on the dephosphorization of iron ore by phosphorus dissolving agent accompanied with thiobacillus[J]. Journal of Nanjing Forestry University, 1994, 18(2): 25–29.(in Chinese) Google Scholar

  • Factors Affecting Dephosphorization of Agbaja Iron Ore ...

    At present, Nigeria has some large iron ore deposits including AGBAJA which bear tremendous iron ore with high sulphur content of 0.12%. Central composite design technique was applied to obtain ...

  • Dephosphorization Treatment of High Phosphorus Oolitic ...

    Dephosphorization process of high phosphorus oolitic iron ore by acid leaching and leaching kinetics were investigated in the paper. The high phosphorus ore samples (51%T.Fe, 0.52%P) used in this work were analysed by SEM-EDS and XRD, which showed their oolitic structure and mineral phases.

  • Direct Dephosphorization from Iron Ore Containing Higher ...

    Japan's largest platform for academic e-journals: J-STAGE is a full text database for reviewed academic papers published by Japanese societies Direct Dephosphorization from Iron Ore Containing Higher Concentration of Phosphorus

  • Solid State Desulphurization of Iron Ore and Empirical ...

    dephosphorizing phosphor-containing iron ore using bacteria, giving a yield of above 80% within 3045 - days. In countries having high phosphorus-iron ore, the highlighted dephosphorization process is capable of providing a reliable technical support; giving good dephosphorization at low cost.

  • Comparative Assessment of Phosphorus Removal from Nigeria ...

    The iron ore was found [1] to contain an average of 1.12% phosphorus and after the dephosphorization process, 91.61% phosphorus removal was attained with 1% sulfuric acid after leaching for 20 min at room temperature, during which iron loss was found to be negligible; less than 0.25%. The pH value

  • Hydrometallurgical Process of Dephosphorization of Agbaja ...

    Journal of Asian Scientific Research, 2012, vol. 2, issue 12, 840-855 Abstract: 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.

  • Dephosphorization Treatment of High Phosphorus Oolitic ...

    2.1. Iron Ore Sample Analysis. The high phosphorus oolitic iron ore used in this research was obtained from western Hubei in China. Table 1 shows the chemical composition of the ore examined by chemical analysis, indicating that iron content reached 51%, and phosphorus content was 0.52%. If phosphorus could be removed appropriately, the ores of this kind would be of great value in use.

  • Influence of Mechanical Activation on Acid Leaching ...

    The results indicated that when high-phosphorus iron ore concentrates containing 54.92 mass% iron and 0.76 mass% phosphorus were directly processed through acid leaching, iron ore concentrates containing 55.74 mass% iron and 0.33 mass% phosphorus with an iron recovery of 84.64% and dephosphorization of 63.79% were obtained.

  • Hydrometallurgical Process of Dephosphorization of Agbaja ...

    Journal of Asian Scientific Research, 2012, vol. 2, issue 12, 840-855 Abstract: 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.

  • (PDF) DEPHOSPHORIZATION OF OOLITIC GOETHITE IRON ORE

    A magnetic concentrate with total iron grade of 92.7% and phosphorus content of 0.09% was obtained from an oolitic hematite ore containing 48.96% iron and 1.61% phosphorus when reduced in the ...

  • Solid State Desulphurization of Iron Ore and Empirical ...

    dephosphorizing phosphor-containing iron ore using bacteria, giving a yield of above 80% within 3045 - days. In countries having high phosphorus-iron ore, the highlighted dephosphorization process is capable of providing a reliable technical support; giving good dephosphorization at low cost.

  • Dephosphorization Treatment of High Phosphorus Oolitic ...

    2.1. Iron Ore Sample Analysis. The high phosphorus oolitic iron ore used in this research was obtained from western Hubei in China. Table 1 shows the chemical composition of the ore examined by chemical analysis, indicating that iron content reached 51%, and phosphorus content was 0.52%. If phosphorus could be removed appropriately, the ores of this kind would be of great value in use.

  • Characterization of Chemical Composition and ...

    Iron ore from five hills contains more than 67.0% Fe. This is regarded as high-grade iron ore and compares well with other iron ores from the main iron ore producing nations. The silica and alumina contents of these ores are also below 1.2% and 1.0%, respectively, with correspondingly low levels of S (<0.006%) and P (<0.05%).

  • Dephosphorization Treatment of High Phosphorus Iron Ore

    The dephosphorization treatment of the pre-reduced iron ore by me- chanical crushing and screening methods was evaluated as a function of the initial reduction condition,

  • Froth Flotation of Iron Ores

    With the depleting reserves of high-grade iron ore in the world, froth flotation has become increasingly important to process intermediate- and low-grade iron ore in an attempt to meet the rapidly growing demand on the international market. In over half a century’s practice in the iron ore industry, froth flotation has been established as an efficient method to remove impurities from iron ore.

  • (PDF) Dephosphorization of oxidized iron ore from Gara ...

    The iron concentrate, assaying 94.12wt% Fe and 0.07wt% P at the iron recovery of 96.83% and the dephosphorization rate of 74.08%, is obtained under the optimum conditions.

  • Upgrading and dephosphorization of Western Australian iron ...

    The technology of direct reduction by adding sodium carbonate (Na 2 CO 3 ) and magnetic separation was developed to treat Western Australian high phosphorus iron ore. The iron ore and reduced product were investigated by optical microscopy and scanning electron microscopy. It is found that phosphorus exists within limonite in the form of solid solution, which cannot be removed through ...

  • dephosphorization of agbaja iron ore

    Hydrometallurgy based dephosphorization of iron ore as ... during leaching of iron oxide ore in sulphuric acid. More details » Get Price. Download as PDF - Scientific Research Publishing. The Nigeria's Agbaja iron ore reserve analyzed 47.5%Fe [1]. It remains the country's largest reserve [2] but had long been abandoned due to the fact of very ...

  • Reaction Behavior of Phosphorus in Coal-Based Reduction of ...

    Coal-based reduction followed by magnetic separation is an effective way to recover iron from high phosphorus-containing oolitic hematite ore. Given that high quantities of dephosphorization agent are needed to obtain low phosphorus reduced iron, a novel approach is proposed by the authors.

  • BENEFICIATION, DEPHOSPHORIZATION AND

    Nov 30, 2017  BENEFICIATION, DEPHOSPHORIZATION AND DESULPHURIZATION OF AGBAJA IRON ORE. Iron ores are used in blast furnace for the production of pig iron; Agbaja Iron ore has an estimated reserve of over I billion metric tonnes. Unfortunately, this large reserve cannot be utilized for the production of pig iron due to its high sulphur and phosphorus contents.

  • Investigation of dephosphorization of brown iron ore ...

    To produce a solidified iron ore for cement aggregates, iron ore has to be first heated in a reducing atmosphere, cooled and solidified, and then crushed to about 100 μm with an impact crusher ...