A dual functionalized magnetic nanomaterial was fabricated by combining the magnetic core, titania shell, and hydrophilic molecules (denoted as [email protected]). Based on the mechanism of metal oxide affinity chromatography and hydrophilic interaction liquid chromatography, the sorbent shows excellent one-step separation capacity for both glycopeptides and phosphopeptides. For phosphopeptide ...
Two new palladium catalysts immobilized on modified magnetic nanoparticles with titanium dioxide shells ([email protected]@[email protected] and [email protected]@[email protected]–Ag nanocomposites) were synthesized and characterized using XRD, SEM, TEM, VSM, EDS, DRS and IR techniques. These catalytic systems showed high activity in the photodegr
magnetic separators: the ability to produce a variety of TiO 2 products rather than a simple mag/non-mag split. Additionally, rare-earth dry magnetic separation circuits are typically lower in capital and ongoing maintenance costs, and are less complicated to operate than WHIMS. Rare-earth drum vs. rare-earth roll
By the TiO 2-based isolation strategy, the method achieved an excellent separation efficiency of 93.4% within 5 min. Zhang et al. designed the magnetic TiO 2 nanoparticles combining CD63 aptamer, which successfully isolated and captured 92.6% urinary exosomes within 10 min (Zhang et al., 2021).
The small iron particles embedded in the slag could be removed by fine grinding and magnetic separation process. The grade of TiO 2 in the obtained high-grade titanium slag reached 60.68% and the total recovery of TiO 2 was 91.25%, which could be directly applied for producing titanium white by the sulfuric acid process. This technique provides ...
But, until today, the industrial TiO2 recovery for ilmenite ore is slightly higher than 30% in the current pulsating high-gradient magnetic separation-flotation process (HGMS) so that a large ...
Upscale production of hybrid magnetic ZnFe2O4/TiO2 nanocomposites (ZFTs) with various mass loading of 30–90 wt% TiO2 was synthesized to improve the water splitting and hydrogen production via photocatalytic process under visible irradiation. Physicochemical characteristics such as structure, morphology, magnetic, and photocatalytic activities were studied in details. The TEM observations ...
Finally, MnFe 2 O 4 @TiO 2-rGO composites were synthesized by adding MnFe 2 O 4 @TiO 2 microspheres into 40 mL GO solution (1 g/L) which was prepared using the Hummers method, and the concentration of MnFe 2 O 4 @TiO 2 microspheres was 0.0033 mol/L. The mixture was hydrothermal treated at 120 °C for 6 h. The resulting product was separated via magnetic separation and dehydrated by the freeze ...
TiO2 is a promising anode material for lithium-ion batteries (LIBs) due to its low cost, suitable operating voltage, and excellent structural stability. The inherent poor electron conductivity and low ion diffusion coefficient, however, severely limit its application in lithium storage. Here, Co-doped TiO2 is synthesized by a hydrothermal method as an anode material since [email protected] possesses a ...
As a result, grinding time has a significant impact on the recovery ratio and grade of Fe and TiO2 during the magnetic separation process, and the LVTC grinding duration is not as prolonged as it might be, as the optimal grinding time is 20 min. Titanomagnetite, ilmenite, and titanite are still the predominant phases in all magnetic separation ...
The oil removal performance with magnetic nanoparticles Fe 3 O 4 @TiO 2 is evaluated by a handheld oil meter after rotating at 250 rpm for a certain time. Results show that the prepared material has the best oil-water separation performance and maintains high magnetism when the weight ratio of TiO 2 is 80%. When the dosage is 0.125% (w/v), the ...
According to the optimizing test method for the ilmenite, by optimizing the titanium separation process, the comprehensive indexes of the ilmenite iron separation process is listed as follows, specifically, the magnetic separation raw ore grade of TiO2 is 10.34%, the iron concentrate grade of the TiO2 is 47.13%, and the recovery rate of the ...
A novel photo-Fenton catalytic system for the removal of organic pollutants was presented, including the use of photo-Fenton process and a submerged magnetic separation membrane photocatalytic reactor (SMSMPR). We synthesized TiO2–Fe3O4 composites as the photocatalyst and made full use of the magnetism of the photo Editors' Collection: Nanomaterials for the environment
TiO 2 and MnFe 2 O 4 in a core-shell structure (i.e., MnFe 2 O 4 @TiO 2 ) decreased the photo-oxidation rate of ofloxacin than that in case of pure TiO 2 because MnFe 2 O 4 acts as a recombination ...
The effective visible-light-driven photocatalysis of tetracycline still remains a big challenge for scientists. In this reported work, TiO 2 /Fe 2 O 3 /CNTs (carbon nanotubes) have been successfully synthesised by a fast and convenient method for the first time. A wide range of techniques, such as X-ray diffraction, scanning electron microscopy, transmission electron microscopy, magnetic ...
Magnetic titanium dioxide based nanocomposites have been gaining increasingly high attention in sustainable environmental protection fields; these materials can integrate the advantages of magnetic recovery and the superior photocatalysis performance of titanium dioxide. However, direct contact between crystalline photoactive titanium dioxide ...
Figure 2. Cook isodynamic magnetic separator 2.2. Magnetic separation A disc magnetic separator (Wills, 1992) was employed to separate paramagnetic titanium bearing minerals from the deposit. In this separator magnetic field strengths up to 0.8 tesla were attainable in the gap between disc and flat pole stationary magnets placed below the disc.
The results show that, the maximum mass fractions of magnetic and nonmagnetic parts achieved are 69.36% and 30.64%, respectively, which contain 10.6% TiO2 and 0.84% V2O5 in the magnetic part and ...
If the C-TiO 2 could be loaded onto this magnetic base material, the separation problem would be solved, and photoelectrons would be easily transferred because of the Fe 3 O 4 or NdFeB loading. In this study, the photocatalyst C-TiO 2 @Fe 3 O 4 /AC was synthesized, which involve C-TiO 2 loading onto a Fe 3 O 4 /AC magnetic base. The hydrolysis ...
Magnetic separation provides a very convenient approach for removing and recycling magnetic catalysts. The magnetism of Fe 3 O 4 /SiO 2 /TiO 2 composites was confirmed by Figure 6, and the Fe 3 O 4 /SiO 2 /TiO 2 composites were tested in water by placing a magnet near the glass bottle. The red brown particles can be attracted toward the magnet with time increasing, and the Fe 3 O 4 /SiO 2 /TiO ...
TiO₂ Mag Sepharose™ magnetic beads are based on titanium dioxide (TiO₂) chromatography and are designed to simplify capture and enrichment of phosphopeptides. ... When used together with MagRack 6, a separation tool for handling the beads in microcentrifuge tubes, up to six samples can be processed in parallel. Order Now. ORDER ...
@article{Luo2020ChargeswitchableMS, title={Charge-switchable magnetic separation and characterization of food additive titanium dioxide nanoparticles from commercial food.}, author={Ke Luo and Hyein Park and Hazzel Joy Adra and Jian Ryu and Jun-hee Lee and Jin Yu and Soo-Jin Choi and Young-Rok Kim}, journal={Journal of hazardous materials ...
Different magnetic species were used to conduct high-gradient magnetic separation of iron-bearing and titanium-bearing minerals, and the single-factor experiment showed that magnetite powder was superior to artificial ferrite. The orthogonal experiment shows that magnetic separation current 6 A, ore timing 20 s and slurry concentration 45% are ...
And the effect of magnetic field is most significant for TiO 2-10, with the reaction constant increased by 54% (RhB degradation) at a magnetic field of 8000 Oe, which is related to the its best ...
For Ti 2p state, the located of Ti 2p 3/2 and Ti 2p 1/2 peaks, and their spin–orbit separation (5.6 eV), which is typical for Ti–O bonds in the TiO 2 structure 24.
The magnetic separation of TiO2-magnetite coagulate from solution proved to be efficient around pH:8. XRD pattern of LT1 (a), LT2 (b) and LT3 (c). SSA is the specific surface area of the powder.
