On the basis of the thermodynamics analysis results, the removal of chlorine from titanium sponge was very temperature and pressure dependent. We can expect a better separation of titanium with Mg and MgCl 2 at 900 °C–1050 °C under a pressure of less than 100 Pa.
Hydrogen (H2)-selective membranes involve significantly less energy and generally a better way to manage them. Partial inlet/outlet pressure of H2, as well as temperature, are the best parameters for membrane processes. Membrane processes are appropriate for portable applications and small scale as opposed to other separation …
The major resource for recycling Ti is currently in-house Ti scrap generated in smelting and fabrication processes instead of postconsumer Ti products, and the actual recycling rate including cascade recycling in the smelting and fabrication industry is high. The major impurities in Ti scrap are O and Fe. High-grade Ti scrap with low O and Fe …
Large amounts of heavy-metal-containing coal fly ash can cause serious environmental hazards. The separation and extraction of titanium, iron, and alu…
Our focus was on understanding the separation behavior of iron and titanium and determining the metallization rate and separation efficiency. This study provides important theoretical and technical support for achieving the enrichment and separation of titanium minerals.
The solvent extraction method for extracting scandium from titanium dioxide waste acid is usually accompanied by co-extraction of titanium. In this paper, the scandium and titanium separation of the Sc(III) and Ti(IV)-loaded organic phase and the recovery of scandium were studied. A new scrubbing agent containing Na3Cit and H2O2 …
In this study, a novel approach for the separation and recovery of titanium, scandium, and iron from acidic wastewater and red gypsum utilization has been inves-tigated.
The separation possibilities of titanium(IV) from other associated multivalent metal ions, that is, magnesium(II), aluminum(III), vanadium(V), chromium(III), manganese(II), and iron(III), which are associated with titanium in the waste chloride liquors of titanium minerals processing industry was discussed.
This notable disparity enables the effective separation and purification of titanium from titanium-containing slag. Furthermore, the solubility data for sodium titanates obtained in this study can inform the volume of sulfuric acid required for practical acid leaching of titanium-containing slag.
In this study, a full process in recovery of titanium and rare earth elements (REEs) from the red mud was developed. The suggested route consists of f…
After the enrichment of titanium into a certain phase, proper cooling rates under a protecting atmosphere are applied for the full growth of the titanium-enriched phase. The last step is to separate the titanium-enriched phase by further separation methods like gravity separation or froth flotation to finally recycle the titanium resource.
Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium titano-magnetite (VTM). …
A method is described for the separation of titanium, zirconium, iron, and aluminum from one another and for their subsequent determination. Iron is first precipitated with 1-nitroso-2-naphthol after complexing the titanium and zirconium with citrate ...
This study focuses on the separation of titanium dioxide from water by cross-flow microfiltration (CMF) within wastewater treatment by photocatalysis using slurry reactor systems.
Separation of carrier free radioactive scandium from a neutron irradiated potassium titanium oxalate target by using an extraction chromatography column of (HDEHP) was employed by Aly et al. . Cation exchange chromatographic separation of scandium from titanium and other elements has been reported [9, 15].
RESULTS: Addition of 1,10-phenanthroline (phen) is effective in enhancing the separation of titanium and iron from magnesium in the TLPS consisting of trialkylphosphine oxide …
Various titanium metallurgical processes have been reviewed and compared for titanium dioxide and titanium metal, mainly focusing on the future development of hydrometallurgical processes.
Hydrogen isotope separation is key for developing technologies. Here authors present a squarate-pillared titanium oxide quantum sieve for deuterium separation, displaying impressive separation ...
The HMC is transferred to mineral separation plant (MSP), where it is stored and processed. Processing of titanium heavy mineral concentrate in Mozambique. The MSP uses magnetic, gravity and electrostatic techniques to extract titanium minerals from the concentrate. Ilmenite is a magnetic mineral, while rutile and zircon are non-magnetic.
This study addressed the separation and recovery of vanadium (IV), iron, and titanium from synthetic and real leach solutions of vanadium-bearing …
The separation of titanium, vanadium and chromium in vanadium slag (VS) is a difficult problem restricting the comprehensive utilization of VS. This paper presents the first study on the separation of titanium, vanadium and chromium from oxalic acid leachate of VS. Firstly, the separation of titanium from the leachate by hydrothermal method …
Here we present a convenient and efficient procedure for separating Ti from matrix elements in geological samples using a dual-column loaded with Ln-spec and AG50W-X12 resins. Boric acid was adopted to reduce the use of HF and to avoid precipitation of Ti. Ln-spec resin was used to remove most of the matrix elements. The …
Gravity separation. This method is suitable for the first concentration or pretreatment of crushed titanium ore. By gravity separation, we can separate most of the gangue minerals with a density less than 3g/cm 3 from titanium-containing minerals with a density generally greater than 4g/cm 3.
Keywords Vanadium–titanium magnetite · Smelting separation · Electric furnace smelting · Ecient utilization of iron ore Introduction South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chro-mium [1–3]. Its ore composition is composed of more than 20 elements [4–6].
One of titanium extraction methods from ilmenite (FeTiO3) through hydrometallurgical route is by leaching in hydrochloric acid. However, in this process, iron c
Nanoparticle fate in colloidal gas aphron (CGA)-induced separation is tracked. • Sweep effect and charge neutralization of CGAs cause high separation efficiency.
This study addressed the separation and recovery of vanadium(IV), iron, and titanium from synthetic and real leach solutions of vanadium-bearing titanomagnetite using extractant P204 (di-(2-ethylhexyl) phosphate) and P507 (2-ethylhexyl hydrogen-2-ethylhexyl phosphonate). Based on the speciation analysis of vanadium in sulfuric acid …
In summary, these two stripping processes can both achieve an improved separation of niobium and titanium after extraction, and they can be selected according to the ion concentration requirements in the aqueous phase. The stripped organic phase is easily regenerated by washing with 1 mol/L NaBO 2 solutions. As shown in Fig. S4, the …
Efficient utilization of vanadium–titanium magnetite can be achieved by high-temperature pyrometallurgical smelting separation of the material.
Super hydrophobic coating and oil-water separation based on modified titanium dioxide and glycerol ethers
The main findings of the scandium separation mechanism show that Sc-bearing minerals can effectively decompose and release scandium element after roasting, and created favorable conditions for scandium leaching with titanium dioxide wastewater to achieve the purpose of scandium recovery.
This study proposes a novel approach for the separation and recovery of titanium, scandium, and iron from acidic wastewater and red gypsum utilization.
In some plant operations, dry magnetic separation is employed, particularly for recovering of titanium bearing minerals such as ilmenite and leucoxene from heavy mineral …
A Complete Separation of a Mixture of Zirconium (IV), Copper (II), Molybdenum (VI), Titanium (IV), Vanadium (IV), and Magnesium (II) by Ion Exchange Chromatography.
In summary, the 3D titanium mesh (3D-TM) current collector was developed through a strategic stacking of titanium meshes to enhance salt separation and enrichment in high salinity water using FCDI. The intricate three-dimensional structure of the 3D-TM current collector increases the charge transfer area and introduces …
Our focus was on understanding the separation behavior of iron and titanium and determining the metallization rate and separation efficiency. This study provides …
A method was developed for the quantitative chromatographic separation of titanium and zirconium over the range of ratios Ti: Zr from 1000:1 up to 1:10,000 by means of a hydrochloric acid solution on the cation exchange resin.
Here the authors demonstrate that titanium nitrides are promising for ambient temperature hydrogen separation via conduction of hydride ions. The production of pure hydrogen for use in energy applications and related industries often relies on the permeation of hydrogen through palladium-based membranes.
Titanium–aluminium alloys based on the primary solid solution form the foundation of materials used in applications such as the compressor stages. ... The extent of phase separation may be quantified using the separation between these two peaks.
By controlling the hydrolysis rate of titanium alcohol, sufficient sites with adjustable defects for adsorption can be obtained, which may be useful for V(V)/Cr(VI) separation. In this work, amorphous-titanium-based microspheres (ATMs) are prepared by hydrolysis during coordination at room temperature.
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