Keywords: vanadium titanomagnetite; flotation process; ilmenite; magnetic separation; titanomag-netite 1. Introduction Titanium, which is mainly extracted from rutile ores and ilmenite, is the ...

 — In this study, the mineral phase transformation and staged low-intensity magnetic separation were proposed to purify titanium from fine-grained ilmenite. By accurately controlling the oxidation and reduction conditions, the weakly magnetic ilmenite particles were magnetized and modified into strongly magnetic particles encapsulated by …

 — Centrifugal High Gradient Magnetic Separation (CHGMS) was creatively developed, and in the present investigation was used for the concentration of fine ilmenite from tailings through a cyclic pilot-scale CHGMS separator, to study the effect of two key parameters, i.e., magnetic induction and rotation speed of matrix, on the separation …

 — To date, many technologies, such as gravity separation, magnetic separation, flotation, and electrostatic separation, have been used to upgrade ilmenite-containing ores. In practice, a combination of gravity separation, magnetic separation and flotation is generally used to upgrade low grade ores to commercially accepted products.

Figure 1 depicts the basic magnetic separation technologies now available in the marketplace in terms of field intensities and modes of processing. LIMS and scalper magnets are not detailed in this paper. The selection of magnetic separation technology depends on many processing factors, including particle size, and the specific …

 — High gradient magnetic separation is widely used in magnetic minerals upgrading, and its separation performance is significant depending on the parameters. In this investigation, the Mathematical model of the plate high gradient magnetic separator is established, the magnetic induction and the flow field distribution are investigated based …

 — The ability to adjust the magnetic field of the discs in a Magnetic Disc Separator enables the mineral processor to tune the separation to produce a specific grade of ilmenite. In operation, each Magnetic Disc is set at a specific magnetic field to separate a selected range of minerals in accordance with their magnetic susceptibility.

 — Research on pre-treatment of ilmenite shows that FeO in ilmenite (FeO·TiO 2) is oxidized to Fe 3 O 4 under proper oxidation conditions, which is favorable for …

by Carbothermic Reduction of Ilmenite and Wet-Magnetic Separation XIAODONG LV, YUNTAO XIN, XUEWEI LV, WEI LV, and JIE DANG As the titanium industry rapidly develops, low-grade ilmenite resources are drawing global attention. The direct use of low-grade ilmenite can result in low production efficiency and heavy pollution.

 — Magnetic separation of magnesite and dolomite was carried out by using induced roll magnetic separator. A magnesite concentrate of 1.12% CaO with 46.02% yield was obtained from a feed of 5.73% CaO. ... Further, magnetization property of ilmenite was measured by using vibratory sample magnetometer (VSM) and the obtained hysteresis …

 — In addition, a wet magnetic separation experiment was performed for … Expand. 6. Highly Influenced. PDF. 5 Excerpts; Save. Effects of HPGR products of mixed magnetite-hematite on subsequent grinding ... Effect of sodium silicate on the magnetic separation of ilmenite from titanaugite by magnetite selective coating. Xuan Zhao …

 — Flowchart for the effective recovery of the pre-concentrates of vanadium-magnetite and ilmenite by optimized magnetic separation process from the VTM ores. Fig. S6 shows the ER of the samples separated by the multi-step magnetic separation process proposed in this study. The ER of vanadium and iron in the secondary magnetic …

DOI: 10.1016/j.mineng.2023.108279 Corpus ID: 260325825; A novel method for efficient recovery of ilmenite by high gradient magnetic separation coupling with magnetic fluid @article{Zheng2023ANM, title={A novel method for efficient recovery of ilmenite by high gradient magnetic separation coupling with magnetic fluid}, author={Xiayu Zheng and Li …

 — The specific resultant magnetic force of ilmenite and titanaugite particles was a function of fluid susceptibility κ m according to Eq. (5). For paramagnetic MnCl 2 …

 — Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies. In particular, the floatability of mixed MOH/PG-1 collectors is thoroughly ...

 — ilmenite to allow magnetic separation from chromi te. The intention of this paper is to give . researchers new to the field an overview of the beneficiation of ilmenite thro ugh roasting and .

 — In addition, the ultrafine ilmenite cannot be effectively pre-concentrated via the high-gradient magnetic separation, because the magnetic force to capture the ultrafine ilmenite cannot be provided by the high-gradient magnetic separator [10], [11]. Even though the froth flotation cannot effectively process the ultrafine ilmenite.

 — To achieve the utilization of fine ilmenite (especially −0.075 mm) produced in the titanium-magnetite processing plant in Panzhihua, a radial turbulent outer-cylinder magnetic separator (RTOCMS), was developed in this study. After optimizing the conditions of rotation speed and water flow, an RTOCMS concentrate with TiO2 grade of 22.84% …

of dry magnetic separation methods also has other benefits. In dry magnetic sepa-rators, usually, more precise separation is achievable. Additionally, dry magnets are ... Ilmenite …

 — Centrifugal High Gradient Magnetic Separation (CHGMS) was creatively developed, and in the present investigation was used for the concentration of fine ilmenite from tailings through a cyclic ...

 — To achieve the utilization of fine ilmenite (especially −0.075 mm) produced in the titanium-magnetite processing plant in Panzhihua, a radial turbulent outer-cylinder magnetic separator (RTOCMS), was developed in this study. After optimizing the conditions of rotation speed and water flow, an RTOCMS concentrate with TiO2 grade of 22.84% …

 — The magnetic properties and the magnetic separation behavior of ilmenite, hematite and a rutile sample (LR Rutile) produced from Athabasca oil sands tailings were studied and the following conclusions can be drawn: 1. Oxidation roasting increased the magnetic susceptibility of ilmenite within the temperature range of 500–1000 °C.

 — Mineralogy, physical characterization and magnetic separation performance were investigated for purification of a raw ilmenite concentrate. With the aid of mineral liberation analyzer (MLA) and optical microscope, it was found that (1) most of heavy minerals were distributed in the narrow size fraction, (2) clays and Ti-bearing magnetite …

 — Iron titaniferous sands are natural mixtures of minerals that contain a high percentage of iron and titanium (Fe–Ti) oxides with traces of aluminum and zirconium oxides, among others [].Usually, these minerals are magnetite (Fe 3 O 4), ilmenite (FeTiO 3), hematite (Fe 2 O 3), rutile (TiO 2), zircon (ZrSiO 4), and silicates, such as quartz …

 — For improving selectivity of HGMS in processing refractory weakly magnetic minerals, we developed a novel method termed high gradient magnetic separation coupling with magnetic fluid (HGMSCMF) and experiments on the refractory ilmenite ore (serious competing capture occurred between ilmenite and titanaugite) in Panzhihua in Sichuan …

Ilmenite concentrates are the raw material used for the production of titania pigment and metallic titanium. This work studies the effect of the addition of Na 2 CO 3 in direct carbothermic reduction of ilmenite concentrate to enhance the separation of metallic iron from titanium components. The effects of temperature, Na 2CO3 …

It has been established that when using the process of separating titanium minerals based on their difference in magnetic susceptibility, ilmenite will be found mainly in the magnetic, and rutile, in the non-magnetic fractions. The separation of these minerals proceeds with high efficiency at a current strength of 11 A.

Request PDF | On Jan 1, 2024, Yuan Li and others published Effects of Na2CO3 on the carbothermic reduction and magnetic separation of ilmenite concentrate | Find, read and cite all the research ...

Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies. In particular, the floatability of mixed MOH/PG-1 collectors is thoroughly investigated. The results …

Magnetic separation can be used to recover some of the free gold, and much of the silicate-locked gold, due to the presence of iron impurities and coatings. ... A single-stage extraction of ilmenite from highly magnetic gangue minerals has been developed using a superconducting HGMS system (the difference in magnetic susceptibility between ...