آخرین محصولات
Charge-switchable magnetic separation and characterization of …
Growing concerns about the potential health effects of nanoscale titanium dioxide (TiO 2) have necessitated the need for monitoring the size distribution and physicochemical properties of food additive TiO 2 that are present in commercial food. Acid digestion is by far the most widely used method to remove interfering food matrices, but …
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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 …
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A new route for separation and recovery of Fe, Al and Ti from red …
The combination of pyro and hydro processes is an efficient way to extract iron, aluminum, titanium, and REE from red mud. Liu et al. (2012) used a soda-lime roasting-magnetic separation process to upgrade the red mud. The results showed that 80.7% Na and 75.7% Al were recovered, but the acid consumption is very high.
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Characterization and Pre-Concentration of Low-Grade Vanadium-Titanium
A large number of unexploited low-grade vanadium-titanium magnetite deposits have been found in the Chao-yang area of China in recent years. The reserves are estimated at more than 20 billion tons. A mineralogical study of raw sample indicated that it was a typical low-grade vanadium-titanium magnetite ore with weathering. Most of …
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A discussion of magnetic separation techniques for
Magnetic separation has long been used to upgrade and beneficiate a wide variety of industrial minerals. Advances in both wet and dry magnetic separators over the years has broadened their ... and titanium bearing minerals as well as vanadium and other gangue minerals. The main goal was to recover the abundant magnetite and ilmenite …
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Recovery of Titania Slag and Iron from Semi-molten State …
A typically low-grade titanium sand was first ground and then processed by low-intensity magnetic separation (LMS) and high gradient magnetic separation (HGMS) to recover titanomagnetite and ...
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Optimized magnetic separation for efficient recovery of V and Ti
Request PDF | Optimized magnetic separation for efficient recovery of V and Ti enriched concentrates from vanadium-titanium magnetite ore: Effect of grinding and magnetic intensity | We present an ...
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(PDF) Fusion Separation of Vanadium-Titanium Magnetite
weak magnetic separation of iron-strong magnetic separation to enrich titanium-reverse. flotation desulfurization-flotation purification of ilmenite", and finally obtained titanium.
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A Novel Process for Titanium Sand by Magnetic Separation and …
A typically low-grade titanium sand was first ground and then processed by low-intensity magnetic separation (LMS) and high gradient magnetic separation (HGMS) to recover titanomagnetite and ...
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Recovery of Iron-, Titanium-Bearing Constituents from
Reagents. Sulfuric acid of analytical grade were used in the experiments. Methods. As the main titanium-bearing minerals in the bauxite ore residue were titanomagnetite, kassite, and sodium tri-titanate (Fig. 2), magnetic separation process can be conducted to recover iron and titanium due to the magnetic character of …
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Separation and recovery of iron and titanium from oxidized …
Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium titano-magnetite (VTM). The effects of reduction temperature, gas composition, reduction time, grinding fineness, and magnetic field intensity on the efficiency of Fe-Ti separation were …
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Physical and chemical separation of Ti, rare earth elements
Decreasing coal/RM ratio also enhanced the recoveries of titanium and REEs through magnetic separation. One possible reason for this result can be attributed to the association of REEs and Ti-bearing compounds with iron-containing phases, especially goethite. Recoveries of Ti and REEs were decreased by approximately around 20% …
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THEPROCESSINGOFBEACHSANDFROM …
High-intensity magnetic separation is widely used throughout the mineral sands ... grade of titanium and iron in magnetic fraction changed slightly from 0.5 to 0.8T magnetic field strength. The ...
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Charge-switchable magnetic separation and
Titanium dioxide (TiO 2) is a naturally occurring oxide of titanium, exhibiting three crystalline phases known as anatase, rutile, and brookite ... Magnetic separation is a robust technique for rapid separation and concentration of analytes of interest from complex sample matrices without affecting their physical properties and morphological ...
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A novel method to extract iron, titanium, vanadium, and …
A novel process for the extraction of iron, titanium, vanadium, and chromium from high-chromium vanadium-bearing titanomagnetite concentrates is proposed. This process involves several steps: partial reduction of the concentrates, magnetic separation, hydrochloric acid leaching of the titanium-bearing tailing, and alkaline desilication of the …
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Rutile Ore Titanium Flotation | Mineral Processing Methods
The commonly used magnetic mineral separators are SLON high gradient magnetic separator and medium magnetic drum separator. 3 Electrostatic separation Rutile is a good conductor of electricity, the resistance is only 102 – 10 Ω m, while the minerals such as silicate and zircon are non-conductors with a resistance of more than 1 …
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Influence of different comminution flowsheets on the separation of
The strongly magnetic minerals liberated during regrinding are recovered by a drum magnetic separator, and the concentrate is returned to the separation process of the titanium magnetite ores. The tailings are discarded after passing through a high-magnetic-gradient magnetic separator (HGMS, maximum background magnetic induction …
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Design of hydrophobic polyurethane–magnetite iron oxide-titanium
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.
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A Novel Process for Titanium Sand by Magnetic …
A typically low-grade titanium sand was first ground and then processed by low-intensity magnetic separation (LMS) and high gradient magnetic separation …
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Intensity Magnetic Separation
Nonetheless, because titanium is dispersed in fine-grained mineral phases containing Ca, Mg, Al, Si, and other impurities, ... Dry low-intensity magnetic separation is confined mainly to the concentration of coarse sands which are strongly magnetic, a process known as "cobbing," and is often carried out using drum separators. ...
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Titanium Processing | Equipment, Process Flow, Cases
Then flotation separation for higher granularity. Magnetic & Flotation Process. In order to save the flotation separation costs, magnetic separation will be used in the first step, the fine granularity titanium mine will be sent to flotation separation. This method can largely reduce the amount of using flotation reagents and can be easily ...
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Tungsten ore extraction processing
Wolframite mineral processing method mainly in gravity separation, and includes four parts: pre-selection, gravity separation, concentration and recovery. By pre-selection and discarding the waste rock which accounts for 50% of the raw ore, the WO3 grade of the ore is enriched from 0.25% ~ 0.3% to 0.45% ~ 0.8 %, and the recovery is …
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Magnetic separation of water suspensions containing TiO2
The dynamics of magnetic separation of TiO 2 nanoparticles (25 nm) from water by adding composite magnetic Fe-C-COOH nanoparticles (15 nm) and subsequent magnetic sedimentation or magnetic filtration has been studied. Magnetic sedimentation was carried out in a gradient magnetic field (H max = 0.3 T, (gradH) max = 0.13 T / m), …
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Magnetic titanium dioxide nanomaterial modified with hydrophilic
A dual functionalized magnetic nanomaterial was fabricated by combining the magnetic core, titania shell, and hydrophilic molecules (denoted as Fe3O4@TiO2-IDA). Based on the mechanism of metal oxide affinity chromatography and hydrophilic interaction liquid chromatography, the sorbent shows excellent one-step separation capacity for …
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Titanium Ore Processing and Beneficiation
To develop a flowsheet for separation of high grade titanium-rutile from ilmenite, that will meet market requirements. Rutile has a SG of 4.2, hardness 6.0 to 6.5 and is non-magnetic; while ilmenite has …
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A Novel Process for Titanium Sand by Magnetic Separation and …
A typically low-grade titanium sand was first ground and then processed by low-intensity magnetic separation (LMS) and high gradient magnetic separation (HGMS) to recover titanomagnetite and ilmenite, respectively; as the TiO 2 grade of the sand is low, the primary treatment of the sand by magnetic separations is effective, with 78.45% by …
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Separation, upgrading, and mineralogy of placer magnetite in
Magnetic separation. The magnetite content in the different heavy parts was separated using a Frantz FerroFilter magnetic separator (permanent magnet). ... Titanium dioxide content of the present magnetite varies from 1.95 to 16.07 wt% with an average of 6.20 wt%, which can be termed as titaniferous magnetite.
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Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic
After reduction titanium was enriched from 32% to 39% TiO2in the non-magnetic portion by magnetic separation. The titanium recovery was 88% and the iron removal was 42-45%. The same results were ...
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A New Technique for Preparation of High-Grade Titanium Slag …
Grinding–Magnetic Separation Processing for Upgrading Titanium Slag. Low-intensity magnetic separation was conducted to remove the iron particles embedded in the melting slag. The fineness of these particles was improved by decreasing the size of 80% of the particles to below 45 μm, after which a magnetic field intensity of 75 mT was …
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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) ore. The ore chunks were crushed using jaw …
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