High-phosphorus iron ore is a typical refractory iron ore, and is mainly distributed in the United States, France, Britain, Canada, Algeria, Nigeria, Kazakhstan, and China, with a total reserve of more than 2 × 1010 t [6–8]. Owing to the complex structure and high phosphorus content of this ore, iron con-

High-phosphorus iron ore has been paid extensive attention because of the difficulty of effective separating iron and phosphorus. There exists an abundance of high-phosphorus iron ore resources in China, up to 7.45 billion tons distributed primarily in Hubei, Jiangsu, Yunnan, and Anhui provinces [1,2,3].Currently, owing to the high …

The phosphorus migration mechanism during melting separation of non-carbon-reduced high phosphorus iron ore was investigated. Firstly, the equilibrium compositions of hydrogen-reduced high ...

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 …

High-phosphorus iron ore has been paid extensive attention because of the difficulty of effective separating iron and phosphorus. There exists an abundance of high-phosphorus iron ore resources in China, up to 7.45 billion tons distributed primarily in Hubei, Jiangsu, Yunnan, and Anhui provinces [1–3].

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.

China is rich in high-phosphate iron ore re-sources; however, it has not been fully utilized because of its low grade, high-phosphorus content, complex mineral struc-ture, fine grain size, and close symbiotic relationship between minerals [4–5]. The efficient utilization of high-phosphate iron ore has be-

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 pretreatments to …

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 ... 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, …

Phosphorus reduction behavior of high-phosphate iron ore during hydrogen-rich sintering. Published: 22 August 2022. Volume 29, pages 1862–1872, ( 2022 ) Cite this article. …

domestic iron ore resources though most of them are either refractory or of low grade.2–4) A large deposit of about 20 billion ton of high phosphorus iron ore is in the Huimin 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-

The iron recovery rate for high-phosphorus iron ore reached 92% with relatively high phosphorus content of pig iron about 0.28%under the reduction temperature of 1450 °C.

In the traditional roasting process of high-phosphorus iron ore (HPIO), a large amount of sodium or calcium salt needs to be added to enhance iron recovery and dephosphorization, which leads to an increase in production costs. In this paper, the co-reduction roasting followed by magnetic separation process was designed to realize the …

Separated preparation of prealloys and amorphous alloys results in severe solidification–remelting and beneficial element removal–readdition contradictions, which markedly increase energy consumption and emissions. This study offered a novel strategy for the direct production of FePC amorphous soft magnetic alloys via smelting reduction …

This study offered a novel strategy for the direct production of FePC amorphous soft magnetic alloys via smelting reduction of high-phosphorus iron ore (HPIO) and apatite.

This paper analyzed the preponderances of smelting high-phosphorus iron ore and ilmenite by HIsmelt technology, which is reserved vastly in China. The results showed that it is very suitable for smelting ilmenite, and iron recovery rate reached 95% with titanium content lower than 0.05% (under the conditions of 30 min holding time at 1550 °C ...

This paper analyzed the preponderances of smelting high-phosphorus iron ore and ilmenite by HIsmelt technology, which is reserved vastly in China. The results showed that it is very suitable for ...

With the development of China's iron and steel industry, the demand for iron ore is increasing, and the contradic-tion of iron ore shortage is prominent.1,2) China is rich in high-phosphorus iron ore reserves, but due to its high phosphorus content, complex mineral phase structure and

The results showed that it is very suitable for smelting ilmenite, and iron recovery rate reached 95% with titanium content lower than 0.05% (under the conditions of 30 min holding time at 1550 ...

Key words: high phosphorus; iron ore; dephosphorus; selective leaching; hydrochloric acid; dephosphorization ratio China is rich in high phosphorus iron ores re …

on the new process of separation of iron and phosphorus from high-phosphor ous iron ore based on a RHF and obtained low-P nuggets, which could be directly used as raw material for steel-making [ 26

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 …

The typical specifications of Australia s iron ore fines are changing pointing to a long-term trend towards higher alumina and phosphorus and a slightly lower silica content in the world s largest pro. ... especially those in North China, are able to use higher phosphorous ores in blast furnaces and it will not impact the daily production much ...

Clean production of Fe-based amorphous soft magnetic alloys via smelting reduction of high-phosphorus iron ore and apatite Hua Zhang1), Tuoxiao Wang1 ), Guoyang Zhang2 ), Wenjie Wu1), Long Zhao1), Tao Liu1 ),, Shuai Mo1 ), and Hongwei Ni1), 1) The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, …

China is rich in high phosphorus iron ore resources, accounting for more than 10% of the total iron ore resources, so the development and utilization of high-

There are multitudes of oolitic high phosphorus iron ore resources in China with a reservation reaching to 2200 million tons at least.[1–3] Oolite in the ores has an onion-like structure and phosphorus-containing gangue layers present in it with thicknesses ranging from 2 to 10 μm.[4,5] Conventional beneficiation methods presently …

Comprehensive Utilization of Iron and Phosphorus from High-Phosphorus Refractory Iron Ore. Toward Resources and Processes Sustainability: Part I. Published: …

The efficient and harmless utilization of converter sludge (CS) still faces problems. In the traditional roasting process of high-phosphorus iron ore (HPIO), a large amount of sodium or calcium salt needs to be added to enhance iron recovery and dephosphorization, which leads to an increase in production costs.In this paper, the co …

Powder Technology. Volume 413, January 2023, 118043. A new iron recovery and dephosphorization approach from high‑phosphorus oolitic iron ore via oxidation …

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 …

High-phosphorus iron ore resource is considered a refractory iron ore because of its high-phosphorus content and complex ore phase structure. Therefore, the development of innovative technology to realize the efficient utilization of high-phosphorus iron ore resources is of theoretical and practical significance. Thus, a method for phosphorus …

For instance, China is reported [ 21] to be rich in high-phosphorus iron ores, constituting some 14.86% of total reserves and …

Low-grade phosphorus-containing iron ore (LGPIO ) is an industrial solid waste, which comes from mining high phosphorus iron ores. LGPIO is becoming a serious problem in the world due to the fact that it not only causes landslide and dust pollution, but occupies the land resources.

The global annual production of iron ores is estimated to stand at 1.3 billion tons by 2025, driven mainly by the rapid growth of the steel industry in China and other Asian countries. 1 This has necessitated the exploitation of any existing natural iron ore deposits to meet the demands of the expanding world economy. Since then, high-grade …

A thermodynamic analysis of the carbothermic reduction of high-phosphorus oolitic iron ore (HPOIO) was conducted by the FactSage thermochemical software. The effects of temperature, C/O ratio, additive types, and dosages both on the reduction of fluorapatite and the formation of liquid slag were studied. The results show …

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]. …

As China has an undeniable influence on global phosphorus production and consumption, understanding its changing historical patterns is critical for …

Article. Phosphorus-Containing Mineral Evolution and Thermodynamics of Phosphorus Vaporization during Carbothermal Reduction of High-Phosphorus Iron …