phosphorus iron ore china

Increasing Iron and Reducing Phosphorus Grades of

2019-6-21 · The available reserves of high-phosphorus oolitic iron ore located in Western Hubei, China, exceed 2 billion tons. This is a chemical sedimentary iron ore, mainly composed of oolite (more than 60%) [8,9]. Specifically, the ore comprises nuclear oolite (quartz or iron material), a

Removal of Phosphorus From High Phosphorus Iron Ores

2011-5-1 · The P content of all samples including high phosphorus iron ore was analyzed by bismuth- phosphomolybdenum blue spectrophotometric method (JH-722N, Shanghai Qing Hua Science and Tech- nology Instrument Co Ltd China). 2 Results and Discussion 2. 1 On the condition of reaction temperature 60 'C , stirring strength 12. 76 s-l, particle size 0. 147 ...

How to Remove Phosphorus from Iron Ore? | miningpedia

2021-6-18 · Continued increases in sulfuric acid use to 200 kg/t reduced the phosphorus content of the iron ore concentrate to less than 0.1%.However, the excess of Sulfuric acid also caused a large loss of iron in the dephosphorization reaction, with the grade of iron ore concentrate dropping to 61.46% and the iron recovery rate only 91.13%.

Studying on mineralogical characteristics of a refractory ...

2020-5-9 · In this study, a high-phosphorus oolitic iron ore containing 44.70% Fe and 1.56% P from western Hubei of China was collected as the sample. The chemical composition, mineral composition, structure characteristics, dissemination characteristics, and iron and phosphorus occurrence state were carried out to investigate the mineralogical characteristics of the high-phosphorus oolitic iron.

Phosphorus Migration During Direct Reduction of Coal ...

2015-10-20 · Raw Materials. The simulated sample in the present study is high-phosphorus iron ore reserves in western Hubei Province, China. The chemical composition and X-ray diffraction (XRD) of the sample are shown in Table I and Figure 1, which indicate that raw ore has high grade of total iron content (54.08 wt pct), which exists mainly as hematite.. Besides, SiO 2 exists as quartz and Al 2 O 3 exists ...

Processes for phosphorus removal from iron ore - a review

Soc China, v. 22, p. 2806−2812, 2012. investigated the phosphorus removal of oolitic hematite ore of high content of iron by applying a reductive calcination with dephosphorizing agent (Na 2 SO 4 and Na 2 CO 3). The calcined mass was subjected to two stages of magnetic separation and grinding.

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.

Mobilization of phosphorus from iron ore by the

2009-1-1 · The bacterium Burkholderia caribensis FeGL03, isolated from a Brazilian high-phosphorus iron ore, was used to mobilize the phosphate contained in the same ore. The phosphate-mobilizing ability of the organism was tested in shake-flask cultures containing sterilized crushed iron ore in a chemically-defined liquid culture medium containing glucose (1. g/l) as carbon source and no phosphorus ...

Technological Challenges of Phosphorus Removal in High ...

For instance, China is reported [ 21] to be rich in high-phosphorus iron ores, constituting some 14.86% of total reserves and reaching 7.45 G t, which places the country’s total iron ore reserves at around 50 G t.

Phosphorus Migration Behavior of Medium-Phosphorus ...

phosphorus from raw ore is too difficult to achieve using mineral liberation or physical processing methods. In addition to medium-phosphorus iron ore, coke served as a reducing agent and had the chemical composition Fig. 1. Phase composition of raw ore from XRD analysis. Table 1. The composition of medium-phosphorus magnetite ore

Dephosphorization of High-Phosphorus Iron Ore Using ...

2015-3-31 · High-Phosphorus Iron Ore. The ore sample used in this study was obtained from western Hubei province, China. The ore sample was ground to a particle size of 0.07–0.15 mm. X-ray diffraction (XRD) analysis showed that the sample was mainly composed of hematite (α-Fe 2 O 3) and a small quantity of quartz and apatite (Ca 2 PO 4 Cl and Ca 5 (PO 4) 3 F). The main chemical components of the ore ...

Phosphorus Iron Ore Crusher China - Stone Crushing

2017-10-25 · Iron Steel Slag Grinding or Crusher Equipment from China . Slag Crusher Machine for iron,copper,lead is used for and is sometimes used as part of phosphate aluminum slag crushing; Lead Slag Grinding; Iron Ore Beneficiation

Studying on mineralogical characteristics of a refractory ...

2020-5-9 · In this study, a high-phosphorus oolitic iron ore containing 44.70% Fe and 1.56% P from western Hubei of China was collected as the sample. The chemical composition, mineral composition, structure characteristics, dissemination characteristics, and iron and phosphorus occurrence state were carried out to investigate the mineralogical characteristics of the high-phosphorus oolitic iron.

Dephosphorization of high phosphorus oolitic hematite by ...

2017-8-1 · The iron ore reserves of 3.72 billion tons, account for approximately 73.5% of the sedimentary iron ore in China (Lu et al., 1994). The high phosphorus oolitic hematite has the characteristics of low-grade iron content and high-level harmful impurities, such as phosphorus and aluminium , which limit the development of this oolitic iron ore. In ...

Mechanism of phosphorus removal in beneficiation of

2012-11-1 · High phosphorous oolitic hematite ore is one of typical intractable iron ores in China, and the conventional beneficiation methods are found to be impracticable to remove phosphorus from the ore effectively. Better beneficiation index were gotten by direct reduction roasting with dephosphorization agent followed by two stages of grinding and ...

Selective recovery of phosphorus from acid leach liquor

many iron ore production areas, such as West Australia, Brazil, South Africa and Central South of China.1–5 According to the statistical survey, the reserves of high phosphorus iron ore reach 7.45 billion tons in China, and among them more than 4 billion tons was deposited in Hubei province with an average level of 1.0% phosphorus and 50% ...

Understanding the high-grade iron ore market

2021-3-26 · Iron ore products can be broadly divided into two categories: naturally iron-rich direct-shipping ores ... phosphorus and sulfur, which can affect productivity and/or steel quality when present in ... China is by far the largest consumer, accounting for some 73% of iron ore imports (Figure 1). ...

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

Upgrading iron and removing phosphorus of high

2019-11-20 · complex refractory iron ore. The methods applied to processing high phosphorus oolitic iron ore are mainly magnetic roasting [18], direct reduction [19], deep reduction, and suspension roasting, along with others [20, 21]. However, emphasize by segregation roasting on high phosphorus oolitic iron ore was rarely investigated.

Synchronous Upgrading Iron and Phosphorus Removal

2016-6-14 · iron grade of 92.7% and phosphorus content of 0.09% was produced from an oolitic hematite ore containing 48.96% iron and 1.61% phosphorus, where reduction of the iron ore blended with excessive coal at 1050 C for 120 min with 9.0% sodium sulfate was conducted.

High phosphorus iron ore beneficiation in china industry ...

Beneficiation of high phosphorus from iron ores. Method of processing an iron ore containing phosphorus - Google 2012710 Method of processing an iron ore containing phosphorus, the iron ore 2013 A review of the beneficiation of rare earth element bearing minerals roasting and FeP separation of high-phosphorus oolitic hematite ore

Selective recovery of phosphorus from acid leach liquor

many iron ore production areas, such as West Australia, Brazil, South Africa and Central South of China.1–5 According to the statistical survey, the reserves of high phosphorus iron ore reach 7.45 billion tons in China, and among them more than 4 billion tons was deposited in Hubei province with an average level of 1.0% phosphorus and 50% ...

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

Determination of Phosphorus in Iron Ore | Analytical

2021-3-11 · The determination of phosphate in rocks and iron ores using inductively coupled plasma with optical emission spectroscopy (ICP-OES). Geochemistry: Exploration, Environment, Analysis 2019, 19 (4) ,

Understanding the high-grade iron ore market

2021-3-26 · Iron ore products can be broadly divided into two categories: naturally iron-rich direct-shipping ores ... phosphorus and sulfur, which can affect productivity and/or steel quality when present in ... China is by far the largest consumer, accounting for some 73% of iron ore imports (Figure 1). ...

Specifications guide Iron ore - S&P Global

2020-4-7 · IODEX 62% Fe CFR China IODBZ00 IODBZ03 IODBZ02 IODBZ04 Assessment Daily PMA1105 62% Fe, 8% moisture, 4% silica, 2.25% alumina, 0.09% phosphorus, 0.02% sulfur Granular size of up to 10 mm for up to 90% of cargo min 50,000 mt CFR Qingdao, China 14-56 days forward L/C at sight $/dmt TSI Iron Ore Fines 62% Fe CFR China TS01021 TSMAU03 TSMBY03 ...

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

Reduction Characteristics of High Phosphorus Iron Ore in ...

Representative technological samples of iron ore are collected from Eastern South Aswan iron ore mine in Egypt. The principal gangue contents are SiO2 7.76%, and P2O5 1.13%. Iron and phosphorus exist in the form of hematite 78% and apatite respectively. The ore was fired at 1000°C for 3 hours.

Influence of phosphorus on iron-based friction material ...

2021-6-21 · Influence of phosphorus on iron-based friction material prepared directly vanadium-bearing titanomagnetite concentrates Yan-yan Zhang 1 , Ke-qin Feng 1 , Yue Shui 1 , Si-tan Chen 1 , Yan-fang Liu 1 1 School of Mechanical Engineering, Sichuan University, Chengdu 610065, Sichuan, China

Synchronous Upgrading Iron and Phosphorus Removal

2016-6-14 · iron grade of 92.7% and phosphorus content of 0.09% was produced from an oolitic hematite ore containing 48.96% iron and 1.61% phosphorus, where reduction of the iron ore blended with excessive coal at 1050 C for 120 min with 9.0% sodium sulfate was conducted.

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