+86 15538087991

high phosphorus iron ore usage

Dephosphorization of High-Phosphorus Iron Ore Using ...

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, deph

More

Reduction Characteristics of High Phosphorus Iron Ore in ...

The characterization of high phosphorus iron ore was carried out using X-ray diffraction analysis. It can be noticed that the iron ore sample mainly contains hematite phase with total iron percent 55.7% beside some impurities such as quartz, apatite [Ca 5

More

Phosphorus reduction behavior of high phosphate iron ore ...

2021-7-31  High-phosphorus iron ore resource is recognized as refractory iron ore because of its high phosphorus content and complex ore phase structure. Therefore, it is of great theoretical and practical significance to develop innovative technology to realize the efficient utilization of high-phosphorus iron ore resources. According to this, a method of phosphorus gasification

More

Removal of Phosphorus from High Phosphorus Iron Ores

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.

More

Removal of Phosphorus From High Phosphorus Iron Ores

2011-5-1  The reserves of high phosphorus iron ore accounts for 14. 86% of total reserves and reaches 7. 45 Gt. The content of phosphorus is generally a few times or even hundreds of times higher than that of common iron oresL†. In high phosphorus iron ores, phosphorus coexists with other minerals in the form of apatite or fluorapatite, disseminates ...

More

Effect of High-phosphorous Iron Ore Distribution in

Quantachrome Corp.) after heating 10g of iron ore sieved to 3–5mm at 773K for 1h. Figure 2shows the pore size distribution of iron ore samples. The results indicate that pisolite ore (Ore G), marra mamba ore (Ore M) and high-P ore (Ore P) have high com-bined water content and a high porosity compared with a typical hematite ore (Ore H).

More

Phosphorus Removal of High Phosphorus Iron Ore by Gas ...

2010-9-1  ScienceDirect JOURNAL OF IRON AND STEEL RESEARCH, INTERNKMONAL. 2010, 17(9): 01-06 Phosphorus Removal of High Phosphorus Iron Ore by Gas-Based Reduction and Melt Separation TANG Hui-qing , GUO Zhan-cheng , ZHAO Zhi-long (Key Laboratory of Ecological and Recycle Metallurgy of Ministry of Education, University of Science and

More

Reduction of Iron Ore Contain Phosphorous - IJMRAP

2018-10-13  2.2. X-ray Diffraction of High Phosphorous Iron Ore The XRD pattern of high phosphorous iron ore contains, hematite, quartz, kaolinite, calcite and anhydrite are shown in Figure 1. In this figure no phosphorous appear because its amount less than 5%. the run; the samples were with Fig. 1. X-Ray of high phosphorus iron ore. 2.3. Experimental ...

More

A Strategy for utilisation of low grade high phosphorus ...

2012-9-10  50% which can be used as synthetic high grade ore and is almost free from phosphorus and iron. The metal obtained is "Spiegeleisen" containing 14 to 18% Mn and 1.5 - 2.0% phosphorus. In the second step the high manganese

More

Use of Hot Metal With High Phosphorous Content in ...

One of the major factors of this success was the change in the raw material base from natural consistency to physical and therma prepared burden materials like sinter, pellets and metallurgical coke. This change was done in combination with the replacement of low-purity iron sources by premium qualities > 62% iron content and low tramp element (phosphorous, sulfur,

More

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.

More

Phosphorus reduction behavior of high phosphate iron ore ...

2021-7-31  High-phosphorus iron ore resource is recognized as refractory iron ore because of its high phosphorus content and complex ore phase structure. Therefore, it is of great theoretical and practical significance to develop innovative technology to realize the efficient utilization of high-phosphorus iron ore resources. According to this, a method of phosphorus gasification

More

Removal of Phosphorus from High Phosphorus Iron Ores

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.

More

Effect of High-phosphorous Iron Ore Distribution in

Quantachrome Corp.) after heating 10g of iron ore sieved to 3–5mm at 773K for 1h. Figure 2shows the pore size distribution of iron ore samples. The results indicate that pisolite ore (Ore G), marra mamba ore (Ore M) and high-P ore (Ore P) have high com-bined water content and a high porosity compared with a typical hematite ore (Ore H).

More

Reduction of Iron Ore Contain Phosphorous - IJMRAP

2018-10-13  2.2. X-ray Diffraction of High Phosphorous Iron Ore The XRD pattern of high phosphorous iron ore contains, hematite, quartz, kaolinite, calcite and anhydrite are shown in Figure 1. In this figure no phosphorous appear because its amount less than 5%. the run; the samples were with Fig. 1. X-Ray of high phosphorus iron ore. 2.3. Experimental ...

More

Reduction Characteristics of High Phosphorus Iron Ore in ...

2019-9-17  Reduction, Aswan Iron Ore, High Phosphorus Iron Ore, Blast Furnace How to cite this paper: Al-Kelesh, H. and Nasr, M.I. (2019) Reduction Characteristics of High Phosphorus Iron Ore in Reducing Parameters Similar to Blast Furnace Condi-tions. Journal of Minerals and Materias l Characterization and Engineering , 7, 294-306.

More

A Strategy for utilisation of low grade high phosphorus ...

2012-9-10  50% which can be used as synthetic high grade ore and is almost free from phosphorus and iron. The metal obtained is "Spiegeleisen" containing 14 to 18% Mn and 1.5 - 2.0% phosphorus. In the second step the high manganese

More

Phosphorus Removal of High Phosphorus Iron Ore by Gas ...

2010-9-1  A new method (gas-based separation plus melt separation) has been proposed to remove phosphorus of the high phosphorus iron ore which was 1.25% of phosphorus content and 50.0% 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

More

Use of Hot Metal With High Phosphorous Content in ...

One of the major factors of this success was the change in the raw material base from natural consistency to physical and therma prepared burden materials like sinter, pellets and metallurgical coke. This change was done in combination with the replacement of low-purity iron sources by premium qualities > 62% iron content and low tramp element (phosphorous, sulfur,

More

Phosphorus in different types of ore, sulfides in the iron ...

The Leveniemi iron ore occurs mainly in sedimentary rocks. In the coexisting iron-copper ore deposits at Tjaarrojaakka, high phosphorus contents are often found.In northern Sweden, there is also apatite enrichment in the ores and wall rocks which lie below the Kiruna-type ores. These ores are regarded as sedimentary.

More

Removal of Phosphorus from High Phosphorus Iron Ores

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.

More

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.

More

Use of Hot Metal With High Phosphorous Content in ...

One of the major factors of this success was the change in the raw material base from natural consistency to physical and therma prepared burden materials like sinter, pellets and metallurgical coke. This change was done in combination with the replacement of low-purity iron sources by premium qualities > 62% iron content and low tramp element (phosphorous, sulfur,

More

A Strategy for utilisation of low grade high phosphorus ...

2012-9-10  50% which can be used as synthetic high grade ore and is almost free from phosphorus and iron. The metal obtained is "Spiegeleisen" containing 14 to 18% Mn and 1.5 - 2.0% phosphorus. In the second step the high manganese

More

Phosphorus Removal of High Phosphorus Iron Ore by Gas ...

2010-9-1  A new method (gas-based separation plus melt separation) has been proposed to remove phosphorus of the high phosphorus iron ore which was 1.25% of phosphorus content and 50.0% 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

More

Smelting High Phosphorus Iron Ore by Oxygen Enriched

2011-2-20  Smelting reduction iron making technology will solve the coke shortage and environmental pollution, which has become a major research of. Iron development. By oxygen top-blown high-phosphorus iron ore smelting reduction test, that the use of oxygen top-blown molten high phosphate smelting reduction technology is feasible, and inappropriate smelting

More

Use of Hot Metal With High Phosphorous Content in

2019-6-18  the hot metal is to use a low-[%P]-containing iron bur-den. Therefore, low [%P] content, besides the Fe, the Mn, the silica, the alumina, the alkali and the residuals content, is one of the criteria to define premium iron ore quality. [%P] input by iron ore is reduced by almost 90–100% into the hot metal. It is clear that higher [%P] content

More

Phosphorus Removal of Oolitic High Phosphorus Iron Ore ...

Abstract. Abstract. A new method to process the oolitic high phosphorus iron ore for phosphorus removal has been proposed in this research. It is an integration of direct reduction and melting separation with carbon-containing pellets prepared using biomass char. Experiments of direct reduction were preceded using a tubular furnace and three parameters were investigated and

More

Phosphorus in different types of ore, sulfides in the iron ...

The Leveniemi iron ore occurs mainly in sedimentary rocks. In the coexisting iron-copper ore deposits at Tjaarrojaakka, high phosphorus contents are often found.In northern Sweden, there is also apatite enrichment in the ores and wall rocks which lie below the Kiruna-type ores. These ores are regarded as sedimentary.

More

REMOVAL OF PHOSPHORUS THROUGH ROASTING OF

2014-1-18  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

More