Phosphorus Iron Ore China
Enhanced iron extraction from high-phosphorus waste limonite ore …
High-phosphorus is a typical refractory iron ore that has not been effectively utilized owing to its low Fe grade, fine embedded particle size, and high phosphorus content(Cao, 2023b; Peng et al., 2017; …
142G Rare iron ore Phosphorus Magnesium Mine Open …
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Phosphorus Removal of High Phosphorus Iron Ore by Gas …
Based on the above reasons, the use of these iron ores is limited in industry. Many attempts have been made to reduce phosphorus content to the accepted level, e.g. chemical leaching (Cheng et al ...
Mixture of ilmenite and high phosphorus iron ore smelted …
In order to reasonably utilize the abundant resources of high-phosphorus iron ore and ilmenite in China, the technology of top-blown smelting reduction with oxygen enrichment was used to smelt the mixed ore of high-phosphorus iron and ilmenite. The effect, which is related to basicity, reduction temperature, carbon-oxygen ratio and time …
Direct Reduction of High-Phosphorus Oolitic Hematite: …
High-phosphorus (P) iron ore, particularly oolitic hematite, has remained unexploited due to technological and cost limitations in mining. ... North Africa, Saudi Arabia, and the Yangtze River region in China. [10,11,12] It contains high concentrations of 0.5 to 2.5 wt pct phosphorus that exist mainly in the form of apatite, ...
Amenability for processing of oolitic iron ore concentrate for
Investigation of phosphorus associations seen in Brockman Iron Ore Formation, Australia, shows that phosphorus occurs in three main forms, (Wells and Ramanaidou, 2011). The first one is secondary apatite, the second one, accounting for a very modest amount of total phosphorus content, is occurring in other sub-micrometric …
Dephosphorization of high phosphorus oolitic hematite …
The Ningxiang type oolitic hematite, which is widely distributed in Hubei, Hunan, Sichuan, Guizhou and other regions, is one of the largest reserves of sedimentary iron ore in China. 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 …
Processes for phosphorus removal from iron ore
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 ...
Review on High Phosphorous in Iron Ore: Problem and Way …
Phosphorous is an undesired element present in iron ore used in the steel making process. It leads to an increase in overall production cost as well as deteriorated …
A novel direct reduction-flash smelting separation process of …
The iron ore with high phosphorus content is a common complex symbiotic iron ore species, and it is widely distributed in the United States, France, Russia, Australia and China [[1], [2], [3]]. Most of this type of ore presents an oolitic microstructure [ 1 ].
Studying on mineralogical characteristics of a refractory high
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 ...
In-Situ Investigation of Phosphorus Transformation and …
Raw Material. The raw ore from western Hubei Province, China was collected as the representative raw material. Figure 1 illustrates the morphology and element distribution of high-phosphorous oolitic hematite. Element mapping from Figure …
Synchronous enrichment of phosphorus and iron from a high-phosphorus …
In this study, direct reduction-magnetic separation process was applied to enrich phosphorus and iron to prepare Fe-P crude alloy from a high phosphorus oolitic hematite ore (HPOH). The results show that at lower temperatures and with absence of any of additives, Fe cannot be effectively recovered because of the oolitic structure is not …
Mechanism of phosphorus removal in beneficiation of high phosphorous …
Trans. Nonferrous Met. Soc. China 22(2012) 2806âˆ'2812 Mechanism of phosphorus removal in beneficiation of high phosphorous oolitic hematite by direct reduction roasting with dephosphorization agent XU Cheng-yan, SUN Ti-chang, KOU Jue, LI Yong-li, MO Xiao-lan, TANG Li-gang Key Laboratory of High-Efficient Mining and …
Increasing Iron and Reducing Phosphorus Grades …
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%) …
Dephosphorization mechanism in a roasting process for
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 ...
An innovation for strengthen iron extraction from phosphorus …
Phosphorus-bearing refractory iron ore is a typical refractory iron resource with low Fe content, weakly magnetic, and high phosphorus content [8], [9]. When traditional beneficiation methods, such as gravity separation, magnetic separation, and flotation, are employed to extract iron from gangue, the Fe recovery and Fe grade of …
Iron recovery and dephosphorization behaviors from high-phosphorus …
With the depletion of high-quality iron ore resources, high-phosphorus oolitic hematite (HPOH) has attracted great attention due to its large reserve and relatively high iron content. However, HPOH is very difficult to be used in ironmaking process due to its special structure. A two-step method of gas-based direct reduction and magnetic …
Intensifying Gaseous Reduction of High Phosphorus Iron Ore …
Gaseous reduction kinetics of the high phosphorus iron ore fines from Hubei in China and effect of microwave pretreatment on the gaseous reduction behavior were studied. Gaseous reduction kinetics were investigated by TG (Thermogravimetric) methods using LINSEIS STA PT 1600 thermal analysis equipment. Microwave pretreat …
Migration behavior of iron and phosphorus during gas …
High-phosphorus iron ore is abundant in the United States, Canada, France, Egypt, Australia, and China. However, it is not widely used due to the high …
Top 10 Phosphate Countries by Production (Updated 2024)
China's phosphate production decreased in 2023 to 90 million metric tons (MT), down from 93 million MT in 2022, but it is still first on the list of top phosphate-producing countries by a long shot.
Algeria's massive iron ore deposit could be a lifeline to China
Iron ore has the greatest potential. With vast reserves and ambitious development plans, Algeria could emerge as a key player in the international iron ore market, potentially reducing China's reliance on its traditional suppliers. However, challenges such as high phosphorus content and environmental concerns must be …
Machine learning prediction and exploration of phosphorus …
However, the global phosphate ore faces problems such as being highly concentrated geographically in Morocco and the Western Sahara, and it is estimated to …
Calcium Carbonate as Dephosphorization Agent in Direct …
Calcium carbonate, renowned for its affordability and potent dephosphorization capabilities, finds widespread use as a dephosphorization agent in …
Behavior of phosphorus during the carbothermic reduction of phosphorus …
Recently, additives such as Na 2 SO 4 and Na 2 CO 3 have been proven to be capable of enhancing the reduction of phosphorus-rich oolitic hematite ore and the recovery of dephosphorized iron by magnetic separation. In this study, the behavior of phosphorus during the carbothermic reduction of a phosphorus-rich oolitic hematite …
China's big move to cut off Australian iron ore
And that's despite the deposit containing more than eight times the acceptable level of phosphorus – a mineral that weakens any steel the iron ore is used to produce. Removing it is an ...
Selective recovery of phosphorus from acid leach liquor of iron ore …
1. Introduction. There is huge amount of high phosphorus iron ore resources in 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 …
Research on efficient utilization of high-phosphorus oolitic …
The paper proposes the innovative technology of hydrogen mineral phase transformation–magnetic separation–acid leaching for iron enrichment and dephosphorization, based on the mineralogical characteristics of high phosphorus oolitic hematite and difficulties that make it difficult to utilize traditional beneficiation for …
Direct Reduction of High-Phosphorus Oolitic Hematite: …
High-phosphorus (P) iron ore, particularly oolitic hematite, has remained unexploited due to technological and cost limitations in mining. ... North Africa, Saudi …
Beneficiation of High Phosphorus Limonite Ore by …
region of Yunnan Province,5) and the limonite ore with an average of 0.80% phosphorus and 34% iron contributes to about 20% of the Huimin iron reverse. The lack of under-standing on the existence of phosphorus and iron oxides coupled with the erratic distribution within some of the ore bodies in the Huimin iron ore has limited the …
Mechanistic insight into phosphorus migration pathways …
A series of methods have been proposed for enhancing iron extraction and phosphorus removal from high-phosphorus iron ore for the past few decades [12], [13], ... China, which was a typical high-phosphorus oolitic hematite of Ningxiang-type iron deposit. The raw ore was crushed and ground into ore powders with particle size range of 0.1–1 mm.
Mechanistic insight into phosphorus migration pathways …
A series of methods have been proposed for enhancing iron extraction and phosphorus removal from high-phosphorus iron ore for the past few decades [12], [13], ... China, …
Intimate microbe-water-mineral interactions mediate …
Intimate microbe-water-mineral interactions mediate alkalization in the pyroxene-rich iron ore mines in Panxi Area, Southwest China. ... TCA cycle, and pentose phosphate pathway in their MAGs was relatively low (Fig. 7). Furthermore, all the Thiobacillus species demonstrated the potential for oxygen metabolism, as evidenced by …
Review on High Phosphorous in Iron Ore: Problem and …
2 Distribution of High Phosphorous Iron Ore Worldwide High phosphorous iron ore deposits are found in China, Bra-zil, Australia, France, Nigeria, and Italy []. The diculty 2 with phosphorous is not only related to the utilization of high phosphorous iron ore, the phosphorous percentage is also increasing in low phosphorous iron ore for countries
Intensifying Gaseous Reduction of High Phosphorus Iron Ore …
Gaseous reduction kinetics of the high phosphorus iron ore fines from Hubei in China and effect of microwave pretreatment on the gaseous reduction behavior were studied. Gaseous reduction kinetics were investigated by TG (Thermogravimetric) methods using LINSEIS STA PT 1600 thermal analysis equipment. Microwave …
A new iron recovery and dephosphorization approach from …
Around 54% of phosphorus (P), 21% of Al 2 O 3, and 61% of SiO 2 can be preliminarily removed from unroasted oolitic hematite ore. Through further dephosphorization with …