Magnetic photocatalysts from industrial residues and TiO2 …

In this study, magnetic photocatalysts were prepared with different levels of TiO2 supported on tar pitch and red mud (RM) (40, 60, 80Ti/C/RM), which were used as carbon (C) and iron sources ...

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A simple and effective synthesis of magnetic γ-Fe2O3@SiO2@TiO2…

Results. Compared to bare γ-Fe 2 O 3 @SiO 2 @TiO 2, the Ag-doped composite was more active in terms of photocatalytic characteristics.By applying γ-Fe 2 O 3 @SiO 2 @TiO 2-Ag, the decomposition rate of the Basic blue 41 reached to about 94% after 3 h of UV irradiation; this rate was 63% for pure γ-Fe 2 O 3 @SiO 2 @TiO 2.The results indicated that the dye degradation …

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SYNTHESIS AND CHARACTERIZATION OF HEMATITE (Fe2O3) …

The magnetic separation results indicate that an enhancement in yield by around 15-20% by weight is possible when the ore is heat-treated at 500-800°C. ... It was reported [38] that magnetite (Fe3O4) had been widely used in industrial fields such as magnetic recording media, high-density digital recording disks, magnetic fluids, data storage ...

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New insights on scandium separation from scandium …

The titanium dioxide wastewater with a Sc 3+ con-centration of 3.661 mg/L was collected from the process of preparing titanium dioxide by a sulfuric acid method in Pangang Group Co., Ltd. The main chemical compositions of titanium dioxide wastewater are shown in Table 2. The chemical reagents including Na 2 SO 4 (purity, 99 wt%), (NH 4) 2 SO 4

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Separation of Ilmenite from Vanadium Titanomagnetite by …

Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium resources. Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies. In particular, the …

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Roasting Followed by Magnetic Separation: A Process for …

The deficiency of rutile resources worldwide, compared to the vast anatase resources, and the need for high-grade Ti-feedstocks has encouraged ilmenite upgrading by removal of Fe-oxides and other ...

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Enhancing Reduction Separation and Efficient Recovery …

reduction–magnetic separation process with diboron trioxide and calcium fluoride as composite additives has achieved excellent metallization ratio, satisfied separation and recovery of …

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Industrial Separators, Grading & Sieving Machines

Elcan's Industrial Separator Machine Specs. Elcan Industries' industrial separator machine is an advanced automatic sifter tailored for modern powder screening needs across diverse sectors, including pharmaceuticals, additive manufacturing, and high-value fields like battery production and aerospace.This industrial separator machine stands out in its ability to efficiently sift …

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Effective processes of phenol degradation on Fe3O4–TiO2 …

The study involved the synthesis of pure magnetite, magnetite modified with glucose and magnetite modified with glucose and titanium dioxide in magnetite: glucose: titanium dioxide molar ratio 1:0 ...

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Magnetic Separation Equipment for Dry Powders

Magnetic Separation Services Industrial magnetic separators use a magnet to remove impurities, contamination and other ferrous materials from feed powders. Elcan Industries is one of the few tolling companies that carries one of the strongest dry powder magnetic separator equipment in the world and offers tolling services on this equipment ...

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Fabrication and characterization of the magnetic separation

The photocatalytic advanced oxidative technology degradation of organic pollutants has attracted considerable public attention (Zhu et al., 2018a, b; Wang et al., 2016; Šest et al., 2018).As a typical semiconductor material, titanium dioxide (TiO 2) is widely researched for wastewater treatment due to its low cost, chemical stability and ultra violet (UV) efficiency …

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Design of hydrophobic polyurethane–magnetite iron …

Efficacious oil-water separation has become a global challenge owing to regular oil spillage ac-cidents and escalating industrial oily wastewater. In this study, we synthesized titanium dioxide …

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Fusion Separation of Vanadium-Titanium Magnetite and …

How to efficiently separate or enrich titanium from vanadium-titanium magnetite is the premise for its effective utilization. At present, there are mainly two forms of the separation of raw ore and …

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(PDF) Application of High-Gradient Magnetic Separation

Some problems of practical applications of magnetic separation, primarily in mineral industry, are outlined. The work shows that current theoretical models are inadequate in accounting for the ...

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Design of hydrophobic polyurethane–magnetite iron oxide …

Hydrophobic nanocomposites were fabricated using polyurethane, hematite and magnetite iron oxide nanoparticles, and titanium dioxide nanoparticles through a sol-gel process.

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Magnetic graphene TiO2-based photocatalyst for the …

In general, the magnetic moment values, M s, depend on the particle size. In the case of pure magnetite, a range of values from 60 to 92 emu g −1 is commonly reported for pure and bulk material ...

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Design of hydrophobic polyurethane–magnetite iron oxide …

Efficacious oil-water separation has become a global challenge owing to regular oil spillage accidents and escalating industrial oily wastewater. In this study, we synthesized titanium …

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Quartz Sand Beneficiation Using Magnetic and Electrostatic Separation

Magnetic separation with two magnets, having different energy, was performed for identifying the phases attached to the magnetic particles. Magnetic hysteresis measurements evidenced complex and ...

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Kinetics of Vanadium Leaching from a Spent Industrial V2O5/TiO2 …

Recovery of vanadium from various sources is important to the environment and industry. This work investigates vanadium leaching from a spent selective catalytic reduction catalyst by sulfuric acid at atmospheric pressure. It includes the effects of stirring speed, solid to liquid ratio, temperature, and sulfuric acid concentration on the vanadium recovery yield. The …

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Core shell Fe3O4@TiO2/silica aerogel nanocomposite; …

The pure titania (TiO 2) and the heterogeneous ternary magnetic nanocomposite of copper ferrite/ferrite oxide (CuFe 2 O 4 / Fe 2 O 3) deposited by titanium dioxide (TiO 2) were fabricated using a facile one-pot hydrothermal synthesis for the photocatalytic decomposition of methylene blue () dye, under visible light.

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Optimized magnetic separation for efficient recovery of V …

We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium magnetite (VTM) …

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Fabrication of magnetic recoverable Fe3O4/TiO2 …

The synergetic effect between Fe 3 O 4 and TiO 2 resulted in highly efficient, stable, and reusable photocatalysts for the degradation of RhB dye. The results showed that the 20% FT photocatalyst had better photodegradation efficiency (91%) than bare Fe 3 O 4, TiO 2, and other magnetic nanocomposites. The effective charge separation of electron ...

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Design of hydrophobic polyurethane–magnetite iron oxide …

Efficacious oil-water separation has become a global challenge owing to regular oil spillage accidents and escalating industrial oily wastewater. In this study, we synthesized titanium dioxide and magnetite iron oxide nanoparticles to use as a precursor for the production of the nanocomposites. Hydrophobic nanocomposites were fabricated using ...

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Recovery of TiO2-enriched material from vanadium titano-magnetite …

The results show that after reduction roasting–magnetic separation with sodium sulfate dosage of 2 wt% at roasting temperature of 1150 °C for roasting time of 120 min, metallic iron concentrate ...

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Study on the mineral characteristics and separation …

A low-TiO 2 ilmenite (ilmenite-M) was separated from the vanadium–titanium magnetite ore in Panzhihua, and its chemical composition and separation behaviors were investigated compared to common ilmenite. The chemical composition and structure analysis indicated that ilmenite-M had 43.53% TiO 2 but a high Fe content and two types of ilmenite …

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Internal magnetic-field-enhanced photogenerated charge separation …

The magnetic properties of TiO 2 –HF4.5-N 2 are illustrated in Fig. S6. M S and H C of TiO 2 –HF4.5-N 2 were weaker than those of the TiO 2 –N 2 sample synthesised using 3 mL of HF solution. TiO 2 –N 2 and TiO 2 –HF4.5-N 2 exhibited different ratios of the exposed {101} and {001} facets owing to their differing amounts of HF solution ...

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Fabrication and characterization of the magnetic separation

Fabrication and characterization of the magnetic separation photocatalyst C-TiO 2 @Fe 3 O 4 /AC with enhanced photocatalytic performance under visible light irradiation. Author links open overlay panel Lin Zhu a b, ... industrial development, and increasing environmental pollution, the treatment of water, soil, and air is crucial. Convenient ...

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Recovery of TiO2-enriched material from vanadium titano-magnetite …

1. Introduction. Vanadium titano-magnetite (VTM) is a typical resource in China. The reserves of VTM are approximately ten billion tons in the Panzhihua-Xichang region of China in which V and Ti account for 11.6% and 35.2% of the world reserves, respectively (Ping et al., 2011; Wang et al., 2008a; Wang et al., 2008b; Zheng et al., 2016).VTM concentrates has been …

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