scandium magnetic separation

Materials. The V–Ti magnetite tailings was collected from Panzhihua of Sichuan Province. Scandium concentrate with a Sc 2 O 3 content of 66.24 g/t was obtained after magnetic separation, gravity separation, and grinding from the V–Ti magnetite tailings, and the scandium concentrate with a particle diameter of less than 0.074 mm. …

Scandium (Sc) concentration from the rare earth ore by high gradient magnetic separation (HGMS) was determined on the basis of Sc content, geophysical parameter determination and the magnetic analyses of the ore. Based on the condition experiments, expanding experiments were carried out.

Scandium is classified as a critical raw material by the European Union. Its beneficiation from various primary and secondary sources is currently being studied under several research and development projects. ... Depending on the feed characteristics, high-gradient magnetic separation reached recoveries between 87% and 92% with 230–310 …

We have investigated Bayer red mud with a TFe content of 26.86% collected from the Pingguo area of China, and have found that iron is the key metal affecting the extraction of valuable components such as Sc, Ti, and Ga. Based on this, an efficient process of roasting with calcium salt and magnetic separation has been proposed to …

Magnetic separation - magnetic field: 72–900 kA/m; particle size: 70–90 mm particle size: 0.074 mm; magnetic field: 1450kA/m 314.89 ppm and 77.53% of recovery

The scandium content in magnetic separation tailings was 0.0062%, the sc andium recovery rate was . 98.65%, and the iron content in magnetic separation tailings was relatively low at 2.62%, which .

magnetic preconcentration conditions with process mineralogical details and produced concentrates for further testing according to the suggested processing scheme. Keywords: process mineralogy; scandium; Kiviniemi deposit; magnetic separation 1. Introduction The fifteen lanthanides plus scandium and yttrium are classified as rare …

earth metals is increasing. Scandium, which is often considered a rare earth element (REE), is a. critical metal mainly used in solid oxide fuel cells (SOFCs) and high strength aluminum alloys ...

Abstract Red mud has become one kind of the most hazardous solid waste. In order to recover iron from red mud, the technology of sodium salt roasting and magnetic separation was developed. During the reduction roasting, additives (Na2SO4 and CaO) reacted with SiO2 and Al2O3 of red mud, forming NaO⋅Al2O3⋅2SiO2, 2CaO⋅Al2O3⋅SiO2, …

Iron and aluminum in red mud were recovered by a reductive sintering–magnetic separation–digesting process. The raw materials were composed of ordinary Bayer red mud, MgO, Na2CO3 and C, in which MgO and Na2CO3 were used as mineralizing agents, and C as a reductive agent. Sintering orthogonal experiments …

Gao et al. 20 adopted the one-stage roughing and one-stage cleaning of high gradient magnetic separation to recover Sc from the ore with a grade of 0.49 × 10 −4 wt%, ... Selective separation of iron and scandium from Bayer Sc-bearing red mud. Journal of Rare Earths, Volume 41, Issue 7, 2023, pp. 1099-1107.

From the TGZ Target, a scandium mineral concentrate was produced by using simple low-cost magnetic separation techniques. A combination of low intensity magnetic separation (LIMS) and wet high-intensity magnetic separation (WHIMS) produced a mineral concentrate yielding an impressive 88% Sc recovery as well 69% recovery of total rare …

Solid phase reduction-magnetic separation technology is mainly composed of low-temperature reduction roasting-magnetic separation (usually lower than 1200 ℃) and high-temperature reduction …

Magnetic field-induced mixed matrix membranes (MMMs) were used for separation of O 2 and N 2 gas according to their different magnetic properties. The double-layered MMMs were made of polyethersulfone (PES) and Pebax-1657 and super-paramagnetic Fe 3 O 4 nanoparticles (NPs) by simultaneous co-casting method. The …

The scandium rough concentrate containing Sc2O3 of 76.98 g/t was obtained by magnetic separation, gravity separation, and electric separation from Sc-bearing Vi-Ti magnetite tailings in the Panxi ...

Pour the obtained emulsion into a beaker containing 1 g of magnetic PS-DVB microspheres, and stir the mixture at a constant speed of 500 rpm for more than 30 min. Magnetic separation was carried out to remove the magnetic oil-based gel microspheres containing D2EHPA, and washed with 0.1 % PVA solution for several times to wash …

This paper comprehensively reviews the metallurgical processes to recover scandium from various sources. Residues, tailings and waste liquors in the production of …

The scandium content in magnetic separation tailings was 0.0062%, the scandium recovery rate was 98.65%, and the iron content in magnetic separation tailings was relatively low at 2.62%, which ...

Scandium-47 (47Sc) can be used in nuclear medicine as a therapeutic-diagnostic, or "theragnostic," radioactive medical isotope for cancer detection and treatment. The 47Sc isotope can be produced through the photonuclear reaction 48Ti(γ,p)47Sc by irradiating enriched 48Ti target material. The enriched target material necessary for …

An effective process was proposed to extract scandium from a scandiumconcentrate with Sc 2 O 3 content of 0.006624% and titanium dioxide wastewater with Sc content of 3.661 mg/L.

DOI: 10.1016/j.seppur.2023.123882 Corpus ID: 258271432; Separation and recovery of titanium and scandium from the red mud @article{Habibi2023SeparationAR, title={Separation and recovery of titanium and scandium from the red mud}, author={Hossein Habibi and Mohammad Mokmeli and Sina Shakibania and Dorna …

Scandium (Sc) is the lightest of REE. It has atomic number 21, thus being the neighbor of calcium (Ca). Unlike calcium, which is the fifth most abundant element in the Earth's crust, Scandium is scarce, but still more abundant than lead, tin, silver etc. Scandium has the electron configuration [Ar]3s 2 3d 1.This immediately indicates that …

The following are the main conclusions derived from the results obtained in this study on the separation of iron and scandium from Sc-bearing red mud: Sc-bearing red mud, which contained 31.11% ...

This research focuses on the process of hydrochloric high-pressure acid leaching using 10 to 20% HCl of two samples of non-magnetic tailings obtained by 60 min carbothermic roasting of red mud at 1300 °C and the mixture of 84.6 wt.% of red mud and 15.4 wt.% Na2SO4 at 1150 °C, respectively, with subsequent magnetic separation of …

In this article, we focused on the occurrence of Sc in industrial wastewaters, followed by processes and methods for the separation and the extraction of scandium …

The main ndings of the scandium separation mechanism show that Sc-bearing minerals can eectively decompose and release scandium element after roasting, and created favorable conditions for scandium leaching with titanium dioxide wastewater to achieve the purpose of scandium recovery.

Gao et al. 20 adopted the one-stage roughing and one-stage cleaning of high gradient magnetic separation to recover Sc from the ore with a grade of 0.49 × 10 −4 wt%, ... Study on separation of scandium from scandium-containing titanium ore by chlorination roasting-leaching. Chin Rare Earths, 36 (2) (2015), p. 21.

PDF | On Jan 1, 2019, Peng Yan and others published Experimental Study of Pre-concentration from Silicate Containing Rare Earth Ore with Scandium by Magnetic Separation | Find, read and cite all ...

A few concentration techniques were also explored, such as magnetic separation and shaking table followed by magnetic separation. Indeed, scandium content can increase due to the fact that it is associated with iron oxides ( Levard et al., 2018 ), and high magnetic fields must be applied considering most of all these oxides …

The scandium contained in the raw silt was increased from 6.6 g/t to 87.55 g/t by processes such as spiral tail, magnetic separation, and gravity separation. The grade of the scandium concentrate was further improved by electric separation.

Depending on the feed characteristics, high-gradient magnetic separation reached recoveries between 87% and 92% with …

Hower et al. described the physical separation process in which the froth flotation was used to retrieve the carbon matter, the flotation tailings were directed to magnetic separation to remove iron-containing magnetic particles, after which the non-magnetic fraction was screened at 75 μm. It was found that relative to the feed (containing 26 ...

A study on the rare earth ore containing scandium by high gradient magnetic separation. J. Rare Earths (2010) ... Study of adsorption behavior of a new synthesized resin containing glycol amic acid group for separation of scandium from aqueous solutions. Hydrometallurgy, Volume 165, Part 1, 2016, pp. 51-56.

The separation of 44 Ti from scandium target material is not trivial, even if some progress has been made recently in this field. 39,41, 42 In addition, a generator system implies the development ...

In this study, we investigated the separation of iron and scandium from Sc-bearing red mud. The red mud object of our study contained 31.11 wt% total iron (TFe), 0.0045 wt% Sc, hematite (Fe 2 O 3) and ferrosilite (FeO·SiO 2) as the main Fe-bearing minerals.The Sc-bearing red mud was treated by a novel deep reduction roasting and …

In this study, we investigated the separation of iron and scandium from Sc-bearing red mud. The red mud object of our study contained 31.11 wt% total iron (TFe), 0.0045 wt% Sc, hematite (Fe 2 O 3) and ferrosilite (FeO·SiO 2) as the main Fe-bearing minerals.The Sc-bearing red mud was treated by a novel deep reduction roasting and …

The factors affecting titanium separation and scandium extraction were researched, and the optimal process conditions were determined. ... The separation and recovery of titanium experiments were conducted in an electrically heated magnetic stirrer. Acidic wastewater (100 mL) and a certain amount of phosphoric acid were added to a …