>

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

In the present study, it was attempted to highlight the benefits of heterogeneous catalysis, magnetic separation, and improved catalytic and antibacterial activities of TiO 2 nanoparticles. This object was carried out by applying γ-Fe 2 O 3 @SiO 2 @TiO 2 –Ag nanocomposite to degrade highly toxic Basic blue 41 dye and prevent the growth of ...

>

Mineral Separation and Characterization of the Ilmenite …

Keywords: Ilmenite; TiO2 industries; Magnetic mineral separation; Particle morphology; Textural constraints 1. Introduction In opposition of the popular belief, the most widely used titanium product is not the titanium metal and alloys, but rather is the titanium dioxide (TiO2) pigment. This pigment provides

>

Preparation of ordered TiO2 nanofibers/nanotubes by magnetic …

Ordered-and-oriented TiO 2 nanofibers and nanotubes were prepared by magnetic field-assisted electrospinning, and photocatalytic properties of all samples were analyzed under UV–Vis shine. TiO 2 nanofibers/nanotubes prepared by magnetic field-assisted electrospinning showed better degradation effect on rhodamine B, reduced the band gap, increased the …

>

Construction of a dual Z-scheme Cu|Cu2O/TiO2/CuO …

A novel dual Z-scheme Cu|Cu 2 O/TiO 2 /CuO photocatalyst composite film is successfully prepared through chemical oxidation, in situ growth, sol–gel spin coating and high temperature calcination methods. The photocatalytic activity of composite film under simulated sunlight irradiation is obviously enhanced in external magnetic field in norfloxacin degradation …

>

Photo-Fenton degradation of amoxicillin via magnetic TiO2 …

In an effort to separate suspended TiO 2-GO-Fe 3 O 4 from wastewater, we designed a submerged magnetic separation membrane photocatalytic reactor (SMSMPR) and, for the first time, combined this reactor with the TiO 2-GO-Fe 3 O 4 magnetic catalyst. The ceramic membranes used in the SMSMPR can be effectively used for the separation of catalysts ...

>

Magnetic field assisted arrangement of photocatalytic TiO

Fabrication of membranes with high antifouling and self-cleaning ability is a long-term pursuit of research community. For this purpose, the current work proposed a strategy to use an external magnetic field to arrange the magnetic TiO 2 @Ni particles (MNPs) onto the polymeric polyether sulfone (PES) membrane surface. The characterization results clearly indicated that …

>

Study of the Preparation and Performance of TiO2-Based …

Combining TiO 2 with γ-Fe 2 O 3-modified coal-series kaolin produces a composite material that not only exhibits adsorption properties for anionic organic dyes but also enables magnetic …

>

Dual-bioinspired fabrication of Janus Micro/nano PDA-PTFE/TiO2 …

Finally, separation was achieved with 1,2-DBE isolated in the bottom beaker and clean water held above the membrane. The separation efficiency was from 99.15% to 99.42% in 20 repeats of separation. Although the initial separation rate was slightly lower than that of light oil, it still maintained more than a 99% separation rate after 20 cycles.

>

Fabrication of magnetic recoverable Fe3O4/TiO2 …

In this regard, supporting TiO 2 on the magnetic nanoparticles to form magnetic photocatalysts has been proposed as an efficient way for advantageous separation and recycling of the photocatalysts ... challenges of low recovery and reusability of TiO 2 photocatalysts in practical applications through an adequate magnetic separation mechanism.

>

Preparation and characterization of the magnetic Fe3O4@TiO2

The paper reported an in-situ synthesis coating method to fabricate the magnetic Fe 3 O 4 @TiO 2 nanocomposite with high whiteness at low temperature (60 °C). The titanyl organic oxide was used as a precursor, which can form the crystalline nanosized TiO 2 at the normal pressure and low temperature in liquid phase [25, 26].The as-prepared sample has been …

>

Fabrication and characterization of the magnetic separation

The magnetic properties of the synthesized catalysts were evaluated by using a vibrating sample magnetometer (VSM), and the room temperature magnetic hysteresis loops for the Ni-TiO 2 /AC, Ni-TiO ...

>

Preparation Techniques of TiO 2 Nanofluids and …

Titanium dioxide (TiO2) has been used extensively because of its unique thermal and electric properties. Different techniques have been used for the preparation of TiO2 nanofluids which include single-step and two-step methods. In the natural …

>

Liquid-phase deposition of TiO2 nanoparticles on core

The magnetic TiO2 composites show high photocatalytic performance and can be recycled five times by magnetic separation without major loss of activity, which meant that they can be used as efficient and conveniently renewable photocatalyst. ... Magnetic separation provides a very convenient and low-cost means of separating nanoparticles by ...

>

Clean and short flowsheet of recovering ultrafine ilmenite by …

In the past few decades, technologies and flowsheets for processing ilmenite in Panxi area have undergone several innovations. Initially, gravity separation was applied in roughing stage of ilmenite recovery and electrostatic separation was used in cleaning for further improving TiO 2 grade, with quite low TiO 2 recovery of approximately 10 %. Then high gradient magnetic …

>

Semi-circle magnetophoretic separation under rotated magnetic …

Continuous-flow magnetic separation (CFMS) often constructed magnetic bead chains or structures in a fluidic channel to capture flow-through targets (Yi et al., 2022), which greatly reduced the clogging problem. However, the chains or structures were vulnerable to the fluidic strike at a high flowrate, resulting in the damage of chains or ...

>

Advances in Graphene-Based Magnetic and Graphene …

In this review, various graphene-based/TiO 2 and graphene-based magnetic nanocomposites which were developed as highly efficient photocatalysts for degrading organic …

>

Fabrication and characterization of the magnetic separation

Furthermore, AC can load magnetic materials, such as Fe 3 O 4 or NdFeB, to become magnetic loading base materials. 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.

>

Magnetically separable Fe3O4@TiO2 nanospheres: …

In this paper, we combined mixed-solvent and solvothermal method for preparing Fe 3 O 4 @TiO 2 core–shell structured nanospheres featuring enhanced photocatalytic activity …

>

Primary beneficiation of tantalite using magnetic separation …

At the Greenbushes plant in Australia, ilmenite (FeTiO3) is separated from tantalite using magnetic separation prior to HF dissolution and subsequent hydrometallurgical beneficiation [3]. However, no analytical results have been reported for the magnetic separation process in either the DRC or Australia.

>

Preparation of ordered TiO2 nanofibers/nanotubes by magnetic …

Semantic Scholar extracted view of "Preparation of ordered TiO2 nanofibers/nanotubes by magnetic field assisted electrospinning and the study of their photocatalytic properties" by Tao Wang et al. ... Preparation of electrospun Ag/TiO 2 nanotubes with enhanced photocatalytic activity based on water/oil phase separation. Tao Wang Jinxin …

>

Magnetic sedimentation of nonmagnetic TiO2 nanoparticles …

The dynamics of magnetic separation of TiO2 nanoparticles (25 nm) from water by adding composite magnetic Fe-C-COOH nanoparticles (15 nm) and subsequent magnetic sedimentation or magnetic ...

>

Insight into the enhanced magnetic separation and …

Magnetic Sn-doped TiO 2 core-shell photocatalyst is successful synthesized by Stöber and sol-gel methods. FST-S can be quickly separated from aqueous solution by a …

>

Facile method to synthesize magnetic iron oxides/TiO2 …

In this point, magnetic separation provides a convenient method to removing pollutants and recycling magnetized species by applying an appropriate external magnetic field. Therefore, …

>

High-efficiency separation and transfer of photo-induced …

This can be attributed to the effect of the Lorentz force generated in the magnetic field, which benefits the separation of photo-induced charge carriers in TiO 2 NBs [19]. ... Photocatalytic degradation of MO in the presence of TiO 2 NBs under NMF conditions and TiO 2 NBs and 2.5 wt% rGO/TiO 2 NBs under magnetic field (MF) conditions. (d) ...

>

Prospects of Synthesized Magnetic TiO2-Based Membranes …

In addition, the embedding of Fe 3 O 4 has been proven to be very useful in order to provide TiO 2 with magnetic separation ability [41,42,43]. Research Approach. Conventionally, post-treatment of wastewater with membrane filtration or TiO 2 immobilization via AOP has been applied and reported by many researchers.

>

Recovery of titanium from beach sand by physical …

Heavy fraction from dense medium separation was used for the low intensity magnetic separation using a hand magnet to separate highly magnetic minerals. The remaining non-magnetic fraction has been separated into four individual fractions employing a Cook isodynamic magnetic separator (Figure 2) at 0.1, 0.3 and 0.5 tesla magnetic field strengths.

>

Preparation and photocatalytic performance of magnetic TiO2…

The magnetic TiO 2 –Fe 3 O 4 composites showed rapid aggregation under the influence of a magnetic field, which can be useful for separation of these particles in applications [36], [37], [38]. Meanwhile, according to the energy level theory, the presence of Fe 3 O 4 can also enhance the photocatalytic activity of TiO 2 [39], [40]

>

New insights in the low-temperature-dependent …

An amorphous TiO 2 with a magnetic core-shell-shell structure (Fe 3 O 4 @PDA@a-TiO 2, denoted as FPaT) was constructed through a series of steps. The studies on the formation mechanism of FPaT ...

>

Photo-Fenton degradation of amoxicillin via magnetic TiO2 …

Request PDF | Photo-Fenton degradation of amoxicillin via magnetic TiO2-graphene oxide-Fe3O4 composite with a submerged magnetic separation membrane photocatalytic reactor (SMSMPR) | The photo ...

>

Magnetic sedimentation of nonmagnetic TiO2 nanoparticles …

The removal both target TiO 2 particles and Fe-based magnetic flocculant particles were controlled from their residual concentration in water in the course of magnetic separation process. The understanding of the heteroaggregation effect on sedimentation dynamics will help to elaborate practical recommendations on the use of magnetic particles ...