Efficient Separation and Recovery of Vanadium, Titanium, Iron …
The dumping of a large amount of steel slag not only wastes metal resources, but pollutes the ecological environment. In this study, a method for recovery of vanadium, titanium, iron, magnesium, and synthesizing anhydrite from steel slag is proposed. The leaching efficiency of V, Ti, Fe, and Mg was 99.42%, 99.36%, 99.89%, and 99.95%, respectively, under a H2SO4 …
A Novel Approach for Separation and Recovery of …
At present, acidic wastewater is directly neutralized with lime or limestone, which wastes resources such as titanium, scan-dium, and iron and generates a great deal of solid waste. This study proposes a novel approach for the separation and recovery of titanium, scandium, and iron from acidic wastewater and red gypsum utilization.
Separation and recovery of titanium and scandium from …
Various techniques, such as magnetic separation, gravity separation, reduction roasting, and reduction smelting have been suggested in recovery of iron (Liu et al., 2021). High intensity magnetic separation is a common physical process that has been practiced in separation of iron from other red mud constitutes.
Highly efficient separation of titanium minerals from a …
Hydrometallurgical process: sulfuric acid [7] and sulfuric-citric acid [8] were adopted to extract titanium from the bauxite residue, and then titanium in the leachate was recovered by hydrolysis and roasting after solution purification [9], which can usually recover 60–70% of the titanium compounds in the bauxite residue [10].Some studies used hydrochloric acid to …
(PDF) Separation of Iron and Titanium from Titanium …
Separation of Iron and Titanium from Titanium Magnetite Raw Materials by Low-Temperature Treatment and Magnetic Separation. July 2024; ... Davis tube was used for this separation process.
The Preparation of High-Purity Iron (99.987%) Employing a Process …
In this study, high-purity iron with purity of 99.987 wt.% was prepared employing a process of direct reduction–melting separation–slag refining. The iron ore after pelletizing and roasting was reduced by hydrogen to obtain direct reduced iron ...
Separation of titanium from iron in hydrochloric solution by …
One of titanium extraction methods from ilmenite (FeTiO 3) through hydrometallurgical route is by leaching in hydrochloric acid. However, in this process, iron …
Recovery of iron from titanium white waste for the …
The process efficiently separates titanium and iron by utilizing a co-leaching technique with sulfuric and phosphoric acids. This method results in a high-grade titanium dioxide (TiO 2 ) with a purity of 61.57 % and an iron leaching rate surpassing 96 % under the optimal conditions of the liquid-to-solid ratio of 4:1, a leaching temperature of ...
Separation of titanium from vanadium and iron in leach …
The separation of titanium (Ti) (IV) in acidic leach solutions of vanadium slag by solvent extraction with ctyl tertiary amine (N235) is proposed. Because the leach solutions contain a lot of vanadium (V) and iron (Fe) impurities, the effects of various conditions on the separation of Ti, V, and Fe were investigated.
Effective separation of iron from titanium by transport …
Separation of iron from titanium acidic solutions with tri-octylphosphine oxide (TOPO) and ctylamine (TOA) has been investigated. TOA was found to be more selective for extraction of Fe compared with TOPO from HCl concentrations >1 M. Iron could be stripped effectively from the loaded TOA in 1 M HClO 4.Parameters affecting the transport separation of …
New understanding of extraction and separation of vanadium(IV), iron
Research in our laboratory found that after the new process of roasting pretreatment-ammonium sulfate roasting-acid leaching of vanadium titanomagnetite, vanadium and iron were dissolved in the leaching solution, while titanium was enriched to the leaching residue, achieving the selective separation of vanadium, iron and titanium [6].However, since …
Fusion Separation of Vanadium-Titanium …
This had a negative impact on the reduction-melting process of vanadium-titanium magnetite that hindered the separation process of slag and iron . The titanium-containing phases in the slag system are: black titanium, …
Simultaneous and clean separation of titanium, iron, and …
As a continuous improvement on the process, they further utilized the heat produced during the electrolytic process for the in-situ hydrolysis of titanium as Ti(OH) 4, and overall recovery of 97.6 ...
Value-added recycling of iron and titanium from bauxite …
The iron/slag failed to separation as pre-reduced sample was smelted for 15 min, only mishmash of iron beads and slag can be obtained. Then the separation of iron/slag completed as smelting duration reached 30 min, and 96.7 % of iron can be recycled in the form of nugget with iron grade of 99.8 %.
Fusion Separation of Vanadium-Titanium Magnetite and …
This had a negative impact on the reduction-melting process of vanadium-titanium magnetite that hindered the separation process of slag and iron . The titanium-containing phases in the slag system are: black titanium, TiO 2, Ti 2 O 3, a small amount of titanium iron oxide, TiCN, TiC and some magnesium aluminum spinel. It can be noticed that the ...
A novel process for recovery of aluminum, iron, vanadium, …
A novel process for recovery of aluminum, iron, vanadium, scandium, titanium and silicon from red mud was proposed. The parameters of HCl leaching, solvent extraction, polymerization process, alkali leaching with pressure, and aging process were investigated.The results show that more than 96 % of scandium and vanadium could be leached by using HCl …
An environmental procedure to extract titanium …
An environmental procedure to extract titanium components and metallic iron from Ti-bearing blast furnace slag is accomplished via three steps, which are high-temperature modification, gravity separation and …
High-Efficiency Smelting Separation of Vanadium–Titanium …
Efficient utilization of vanadium–titanium magnetite can be achieved by high-temperature pyrometallurgical smelting separation of the material. The fusibility of vanadium–titanium magnetite during reduction and smelting reflects the difficulty of smelting separation. In this study, the direct reduction of iron obtained from the carbothermal reduction …
A new process for the recovery of iron, vanadium, and …
A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of iron, vanadium, and …
Extraction in triplicate: Three-phase system to …
In absence of phen in the triphase system, iron (III) was coextracted with titanium (IV) into the TRPO top phase but when it was reduced to iron (II) with hydroxylammonium chloride before mixing with the extractants, …
Separation of titanium from iron in hydrochloric solution …
The optimum condition of the experiment was obtained at 25 ±2°C, O/A 1, TBP concentration 90% and contact time of 15 minutes, with iron extraction of 99.99%, titanium extraction 1.84%, and separation factor of iron-titanium (β Fe-Ti) of 394,185. Meanwhile, the optimum condition for stripping was obtained at room temperature by using ...
Enrichment and reconfiguration of titanium-bearing phase …
To comprehensively utilize the low-iron high-vanadium–titanium magnetite, a new method of vortex smelting reduction of vanadium–titanium magnetite was proposed, and the enrichment and reconstitution regularity of Ti-bearing phases in the slag was investigated through X-ray fluorescence spectrometry, X-ray photoelectron spectroscopy, X-ray diffraction analysis, …
Thermodynamic analysis of separation of alloying elements …
Titanium is the fourth most abundant metallic element in the earth's crust. In recent years, titanium and its alloy products have been extensively developed and have attracted increasing attention in various fields such as the aerospace, marine, and automobile industries [1], [2].Owing to the excellent physical, chemical, and mechanical properties of titanium in …
High-Efficiency Smelting Separation of …
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].
Enhancing Reduction Separation and Efficient Recovery of Iron…
Effects of basicity of the high titanium slag on the recovery of iron and vanadium, the separation behaviors between iron and slag, as well as the slag foaming behavior during the smelting process ...
Separation and Recovery of Iron from Vanadium …
The magnetic separation process is simple and the energy consumption is relatively low, but the presence of fine-grained minerals greatly weakens the iron grade and recovery in the concentrate mineral. ... Bian Z et al (2021) Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis of ...
Synergetic recovery of rutile and preparation of iron …
Hydrated ferric oxide (rust) can be transformed into iron red products through drying and incineration. The titanium-rich materials can be used for chlorination to produce TiCl 4 or roasted for artificial rutile. This process yields titanium-rich materials with uniform granularity, stable colour, and high grade.
Simultaneous and clean separation of titanium, iron, and …
The separation and extraction of titanium, iron, and alumina in one spot can shorten the process and make full use of the electric energy. Under optimal conditions, the efficiencies of iron, titanium, and alumina were 97.6%, 93.1% and 88.5%, respectively.
Separation and Recovery of Iron from Vanadium …
A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of iron, vanadium, and titanium from ...
New understanding of extraction and separation of vanadium(IV), iron
The results showed that the effective selective separation of vanadium, iron and titanium could be obtained in which 97.39 % V and 88.62% Fe were dissolved into the solution and over 91.76% Ti was remained in leaching residue after leaching at ... Furthermore, in the subsequent separation and recovery process of vanadium, iron and titanium, the ...