Semantic Scholar extracted view of "Selective enrichment of iron particles from complex refractory hematite-goethite ore by coal-based reduction and magnetic separation" by Shuai Yuan et al.
The mineral processing experimental research was carried out on the hematite bearing characteristics of low grade, fine grain,complex composition. The results showed that using the technological flowsheet of "stage grinding- low intensity magnetic separation", the iron concentrate with recovery of 36.56% and grade of 65.85% Fe can …
Based on the obtained results by the investigation of the features of magnetite–hematite ores from the Mikhailovskoye deposit, a technological scheme of magneto-flotation beneficiation was...
Suspension magnetizing roasting-magnetic separation technology was used to extract iron from fine-grained complex hematite ore. The effect of roasting conditions on the magnetizing roasting ...
This study focuses on the development of a novel pneumatic dry high-intensity magnetic separator (PDHIMS) (maximum magnetic induction of 2 T) to enhance the efficiency of separating hematite ore fines. Force analysis of the novel separator demonstrated that it can potentially reduce the lower size limit of hematite dry …
In this paper, magnetization roasting - low-intensity magnetic separation was performed on a pre-concentration concentrate obtained from an Australian hematite containing titanium and vanadium to realize the separation of titanium and vanadium.
Semantic Scholar extracted view of "Development of a centrifugal dry magnetic separator for separation of fine magnetite ore" by Fan Yi et al.
A compressive pelletization study, for the utilization of an Indian Banded Hematite Quartzite ore, is presented in this communication. Iron ore concentrates have been generated utilizing the conventional beneficiation process and also by the approach of reduction roasting-magnetic separation.
In our previous studies, we demonstrated the performance of novel superfine crusher and pneumatic planar magnetic separator as energy-efficient technologies for dry processing of magnetite ores.
Suspension magnetizing roasting-magnetic separation technology was used to extract iron from fine-grained complex hematite ore. The effect of roasting …
Dry high intensity magnetic separation (DHIMS) is investigated to process a lean hematite ore. It was found that the feed particle size and the drum rotation speed have significant influences on th...
In this study, a three level Box–Behnken factorial design combined with response surface methodology was used for modeling and optimization of process parameters of induced roll dry high intensity magnetic separator. The influence of magnetic field intensity, roll speed and feed rate was analyzed for the separation of …
The separation technology provides for production of iron ore concentrate with total iron content of 65.9% and recovers 91.0% of magnetite and 80.5% of hematite from the tailings containing 20.4% of total iron.
The enrichment of hematite ore using different separation processes from low ... typical refractory limonite ore was studied by suspension magnetization roasting and magnetic separation technology ...
From the above literature body, it is evident that the application of wet high-intensity magnetic separator for hematite is common in practice whereas dry magnetic separation is not reported anywhere. Moreover, dry magnetic separators are very useful for the separation of coarser particles where a subsequent process is required by a wet …
Rare earth roll magnetic separators (RERMS) and induced roll magnetic separators (IRMS) are the simple and efficient dry high-intensity magnetic separators …
In this work, fine magnetite was used as a magnetic seed to enhance the separation efficiency of fine hematite from quartz during reverse micro-flotat…
Magnetizing roasting of oolitic hematite ore from western Hubei Province was investigated. The mechanism for reduction roasting of oolitic hematite ore was discussed and analyzed. It is found that flash magnetizing roasting-magnetic separation process is a promising approach for the processing of oolitic hematite ore from western …
The beneficiation of a hematite ore fines with magnetization roasting and magnetic separation was proposed and studied. • The magnetic properties of ore can be enhanced due to the selective conversion of hematite and siderite into magnetite. • Magnetization roasting can be applied effectively for the processing of carbonate …
ABSTRACT: Present investigation includes the magnetizing roasting of low-grade iron ore fines followed by grinding and beneficiation using magnetic separation. …
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 …
Suspension magnetizing roasting-magnetic separation technology was used to extract iron from fine-grained complex hematite ore. The effect of roasting conditions on the magnetizing roasting-magnetic separation process was studied. In summary, a concentrate with TFe grade of 69.96% and Fe recovery of 79.02% could be …
CMS significantly influenced the magnetic separation of fine hematite with selective flocculation. The primary factors affecting the selective flocculation and magnetic separation efficiency of hematite included the flocculant dosage, pulp pH value, and agitation speed.
Enhancement in magnetic separation of a low-grade hematite ore using thermal treatment. •. Improvement in crystallinity of quartz resulting in better separation …
Pulsating high-gradient magnetic separation (PHGMS) of fine hematite from tailings was studied using a pilot PHGMS separator to investigate the possibility of its application in industry. The results of this investigation indicate that PHGMS is effective for recovering fine hematite from the tailings and greatly improved the separation …
Magnetic separation technology is commonly used in the field of mineral processing engineering for magnetite, hematite, titanite, and other magnetic ferrous …
Obtaining high-quality concentrates with high iron content and low content of impurities from low-grade iron ores requires the …
The dephosphorization process of high-phosphorus iron ore mainly includes roasting magnetic separation, strong magnetic separation, flotation process, selective agglomeration separation, combined process, and other methods . In recent years, a lot of research has been done on the theory and technology of phosphorus reduction in high …
The process of simultaneously roasting and magnetic separation was developed to treat the low grade siderite and hematite ores without adding any reductant. Effect of mass ratio of S-to-H (siderite ore to hematite ore) on the …
Coal-based direct reduction followed by magnetic separation process has been employed to produce DRI powder from oolitic iron ore in some research.3–5) This technology combines metallurgy and mineral processing technology together, in which iron oxides are primarily reduced to metallic iron with grain growth, and then the …
Pulsating high gradient magnetic separation (PHGMS) for removing trace amounts of iron impurities from a quartz ore was investigated using a lab-scale PHGMS separator, and its performance was further…
Suspension magnetizing roasting-magnetic separation technology was used to extract iron from fine-grained complex hematite ore. The effect of roasting conditions on the magnetizing roasting-magnetic … Expand
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