dePHOSphoRizatIoN of HIgh PHospHORuS MAngANESe oReS 100

  • Dephosphorization of high-phosphorous manganese ores

    2000-2-1 · Because conventional (physical) methods of ore dressing are not suitable for reducing the phosphorus contents of high-phosphorous manganese ores from Andhra Pradesh (AP) and the adjoining area in southern Orissa, India, the adoption of chemical methods becomes imperative. An attempt was therefore made to reduce the phosphorus content of partially

  • Dephosphorization of high-phosphorous manganese ores

    High-phosphorus manganese ores provide an important source of manganese, which is regarded as an irreplaceable material in the steel industry.

  • Dephosphorization of high-phosphorus manganese ores

    2018-6-5 · (2000). Dephosphorization of high-phosphorus manganese ores of southern Orissa and Andhra Pradesh, India, by roasting with sodium chloride followed by leaching in dilute nitric acid. Mineral Processing and Extractive Metallurgy: Vol. 109, No. 3, pp. 145-149.

  • Dephosphorization of phosphorus-rich manganese ores by ...

    1981-10-1 · Dephosphorization of phosphorus-rich manganese ores by selective leaching with dilute hydrochloric acid. Int. J. Miner. Process., 8: 359--375. Leaching of three high-phosphorus manganese ore samples from central India with dilute hydrochloric acid (0.1--0.6 M) has been found to reduce their phosphorus contents below the specified limit of 0.12%.

  • DEVELOPMENT OF A PROCESS FOR

    2015-5-22 · The high phosphorus content (0.35-0.50%) of high carbon ferromanganese originates from the manganese ores, majority of which contain significant amount (~0.2%) of phosphorus which is reduced almost completely during smelting reduction from its oxides. In India, low phosphorus ores are depleting fast and the high carbon ferromanganese pro-

  • Removal of Phosphorus from High-Phosphorus

    2019-11-13 · High-phosphorus manganese ores provide an important source of manganese, which is regarded as an irreplaceable material in the steel industry. The ammonia-ammonium carbonate leaching method was proposed for the removal of phosphorus and extracting manganese from high-phosphorus manganese ore, both effectively and environmentally. To

  • Production of (Mn,Fe)-Carbide Containing Low

    The dephosphorization process for high phosphorus iron ores have recently been studied employing several methods. However, few researches of phosphorus removal from high phosphorus manganese ores have been carried out compared with those about the high phosphorus iron ores. As a potential

  • Production of (Mn,Fe)-Carbide Containing Low

    The dephosphorization process for high phosphorus iron ores have recently been studied employing several methods. However, few researches of phosphorus removal from high phosphorus manganese ores have been carried out compared with those about the high phosphorus iron ores.

  • DEVELOPMENT OF A PROCESS FOR

    2015-5-22 · The high phosphorus content (0.35-0.50%) of high carbon ferromanganese originates from the manganese ores, majority of which contain significant amount (~0.2%) of phosphorus which is reduced almost completely during smelting reduction from its oxides. In India, low phosphorus ores are depleting fast and the high carbon ferromanganese pro-

  • DEVELOPMENT OF A PROCESS FOR

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The bulk of high carbon ferromanganese produced in India continue to have more than 0.35 % phosphorus since they are produced by carbothermic reduction process. The low phosphorus manganese ores are deplet-ing fast and ferromanganese manufacturers will have no option but to use medium and

  • Development of a Process for Dephosphorisation of High ...

    The bulk of high carbon ferromanganese produced in India continue to have more than 0.35% phosphorus since they are produced by carbothermic reduction process. The low phosphorus manganese ores are depleting fast and ferromanganese manufacturers will

  • Advance in dephosphorisation of high phosphorus iron

    In order to make good use of huge amount of high phosphorous iron ore for the ironmaking industry, the characteristics and advances in the dephosphorization technologies of high phosphorus iron ore were introduced, such as mill run, chemical leaching, bio-leaching and high-temperature dephosphorization methods.

  • (PDF) Removal of Phosphorus from High-Phosphorus

    High-phosphorus manganese ores provide an important source of manganese, which is regarded as an irreplaceable material in the steel industry.

  • Dephosphorization of Liquid Ferromanganese P.N.'

    2012-7-12 · manganese ores [1]. The majority of manganese ore deposits in central India have relatively high (> 0.3%) phosphorus levels. Since phosphorus is intimately associated with manganese [1], physical beneficiation is unsuitable and chemical beneficiation is necessary. Phosphorus' removal through chemical beneficiation requires comminu-

  • Dephosphorization of high carbon ferromanganese using ...

    The phosphorus level was reduced to 0.18 % from an initial level of 0.56 % when the reaction was carried out at 13000C using 16 Wt % BaCO3-BaF2 fluxes. The manganese loss was restricted in the range of 2-5%. However, it was found that the degree of dephosphorization decreased significantly with increase in the initial silicon content of the alloy.

  • DEVELOPMENT+OF+A+PROCESS+FOR+DEPHOSPHORISATION+OF+HIGH ...

    The detrimentaleffect of phosphorus on the mechanical properties of steel is well known [2,3]. The high phosphorus content(0.35-0.50%) of high carbon ferromanganese originates from the manganese ores, majority of which containsignificant amount (~0.2%) of phosphorus which is reduced almost completely during smelting reductionfrom its oxides.

  • Type of the Paper (Article

    manganese [4,5]. There have been various studies dealing with the dephosphorization of manganese alloys and manganese ores [6–12]. Fujita et al. [6] proposed a dephosphorization method of the Mn alloy using a flux containing carbonates of basic oxides such as BaCO 3. However, this method is considered

  • BENEFICIATION, DEPHOSPHORIZATION AND

    2021-12-25 · al, (1999)) and this is the theoretical base for the bio dephosphorization of high phosphorus iron ores. Organic acids producing filamentous fungi have been used to remove phosphorus from ores in a series of reports (Parks et al, 1990; Buis, 1995; and Delvasto et al, 2005). The use of acidithiobacillus ferrooxidans in the metal extractions ...

  • Advance in dephosphorisation of high phosphorus iron

    In order to make good use of huge amount of high phosphorous iron ore for the ironmaking industry, the characteristics and advances in the dephosphorization technologies of high phosphorus iron ore were introduced, such as mill run, chemical leaching, bio-leaching and high-temperature dephosphorization methods.

  • DEVELOPMENT OF A PROCESS FOR

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The bulk of high carbon ferromanganese produced in India continue to have more than 0.35 % phosphorus since they are produced by carbothermic reduction process. The low phosphorus manganese ores are deplet-ing fast and ferromanganese manufacturers will have no option but to use medium and

  • Dephosphorization of Liquid Ferromanganese P.N.'

    2012-7-12 · manganese ores [1]. The majority of manganese ore deposits in central India have relatively high (> 0.3%) phosphorus levels. Since phosphorus is intimately associated with manganese [1], physical beneficiation is unsuitable and chemical beneficiation is necessary. Phosphorus' removal through chemical beneficiation requires comminu-

  • Removal of Phosphorus from High-Phosphorus

    2019-12-16 · High-phosphorus manganese ores provide an important source of manganese, which is regarded as an irreplaceable material in the steel industry. The ammonia-ammonium carbonate leaching method was proposed for the removal of phosphorus and extracting manganese from high-phosphorus manganese ore, both effectively and environmentally.

  • BENEFICIATION, DEPHOSPHORIZATION AND

    2021-12-25 · al, (1999)) and this is the theoretical base for the bio dephosphorization of high phosphorus iron ores. Organic acids producing filamentous fungi have been used to remove phosphorus from ores in a series of reports (Parks et al, 1990; Buis, 1995; and Delvasto et al, 2005). The use of acidithiobacillus ferrooxidans in the metal extractions ...

  • PHOSPHORUS REMOVAL FROM MANGANESE ORE BY

    As good quality ores of low phosphorus are depleted, the phosphorus content in manganese ores increases, and thus, the development of a new dephosphorization technology is needed. For this purpose, the removal of phosphorus compounds by vaporization directly from manganese ores using a plasma system was investigated in this study.

  • Reduction Characteristics of High Phosphorus Iron Ore in ...

    2019-9-18 · It was found that several possible ways to make high quality steel from high phosphorus apatitic iron ores, operation of blast furnaces with 100% pellets burden made from enriched, dephosphorized high phosphorus ores and how to balance the composition of a DR pellet to make it “self-fluxing” in electric arc furnace steelmaking, forming a ...

  • Enrichment and isolation of phosphorus solubilizing ...

    Phosphorus solubilizing microorganisms can be utilized in dephosphorization of high-phosphorus iron ores and in phosphorus leaching from fluorapatite ores. Low grade fluorapatite ore (3.6% P, pH 6.8), fluorapatite concentrate (13% P, pH 8.3), phosphogypsum waste (0.7% P, pH 2.3), iron ore 1 (0.19% P, pH 7.6) and iron ore 2 (0.18% P, pH 7.6 ...

  • [PDF] Refining of manganese alloys with high content of ...

    The expediency of carrying out the process of dephosphorization of the alloy in one stage using a briquetted mixture, which includes iron scale, lime, bauxite and sodium orthosilicate in their following ratio, wt.%: Iron scale - 52.0 57.4; lime - 6.2 8.6; bauxite - 4.5 6.2; sodium orthosilicate - 30.5 30.4. The achieved degree of dephosphorization of the accompanying

  • Production of low phosphorus steels from high

    2019-4-9 · A~traet. The position in India on the phosphorus front vis-a-vis iron and steel operations elsewhere in the world is, and will remain, most unfavourable since Indian iron ores contain high phosphorus and coal (and therefore, also the coke), has high ash and phosphorus in the Indian subcontinent.