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This study is focused on the detailed investigation of the process mineralogy of a typical Vanadium titano-magnetite concentrate (VTM) to efficiently utilize its valuable elements like iron, vanadium, and titanium. The investigation covers mineral phase composition, phase-embedding properties, and the distribution behavior of the main elements ...
A sodium modification–direct reduction coupled process was proposed for the simultaneous extraction of V and Fe from vanadium- bearing titanomagnetite. The sodium oxidation of vanadium oxides to water-soluble sodium vanadate and the transformation of iron oxides to metallic iron were accomplished in a single-step high-temperature process. The …
1. Introduction. Red mud is a typical nonferrous metallurgical solid waste as the tailings produced in the process of smelting alumina from bauxite [1].The discharge of red mud will increase with an increase of demand for alumina products and a decrease of bauxite ore grade around the world [2, 3].Red mud is an important secondary mineral resource including a …
Vanadium-titanium magnetite (VTM) has a high comprehensive utilization value. The gas-based reduction process combined with the electric furnace melting process has the advantages of a high ...
In this paper, we study the possibility of obtaining iron and titanium-vanadium concentrates with highest contents of iron and titanium, respectively, through hydrometallurgical processing of the ...
An effective and cleaner process to recovery iron, titanium, vanadium, and chromium from Hongge vanadium titanomagnetite with hydrogen-rich gases ... Under …
The process leaches titanium, vanadium and iron using hydrochloric acid at atmospheric pressure and temperatures below 95°C. Solvent extraction is then used to recover vanadium, titanium pigment and iron from the leach solution. The …
Titaniferous magnetite deposits contain iron, vanadium and titanium, but only iron and vanadium are routinely recovered, usually via a pyrometallurgical process during wich the titania is ...
As shown in Figure 4, all of the process indexes, including titanium content (ω(TiO 2)), recovery ratio of titanium (η(TiO 2)) in the non-magnetic fraction, recovery ratio of vanadium (η(V 2 O 5)), iron content (ω(TFe)), and recovery ratio of iron (η(Fe)) in the magnetic fraction, increase with increasing magnetic intensity from 25 mT to ...
On the substitution of vanadium with iron in Ti–6Al–4V: Thermo-Calc simulation and processing map considerations for design of low-cost alloys ... Characterization of high-temperature deformation behavior of as-cast Ti60 titanium alloy using processing map. Mater. Sci. Eng., 571 (2013), pp. 116-122, 10.1016/j.msea.2013.01.008. View PDF View ...
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 ...
Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium titano-magnetite (VTM).
After a water leaching process, 85.61% of the vanadium from the roasting slag was leached, confirming the sodium oxidation of most of the vanadium oxides to water-soluble sodium vanadate during the roasting process. The total recoveries of iron, vanadium, and titanium were 93.67%, 72.68%, and 99.72%, respectively.
A novel process featuring pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction was carried out to separate vanadium, titanium and iron from vanadium-bearing titanomagnetite ...
Mixing titanium with vanadium and iron strengthens and adds durability to turbines that spin up to 70,000 rpm. ... which must be separated out as an impurity during processing. The higher the ...
Vanadium titanomagnetite (VTM) is a valuable multi-element symbiotic ore mainly composed of iron, vanadium, and titanium, as well as small amounts of chromium, nickel …
DOI: 10.1016/j.jhazmat.2012.10.052 Corpus ID: 21512450; A novel process for recovery of iron, titanium, and vanadium from titanomagnetite concentrates: NaOH molten salt roasting and water leaching processes.
Request PDF | Solvent extraction separation of titanium(IV) vanadium(V) and iron(III) from simulated waste chloride liquors of titanium minerals processing industry by the trialkyphosphine oxide ...
After the leaching, the pulp was filtered to obtain Ti-rich leaching residue. The leachate was used for solvent extraction and separation of vanadium and iron. The leaching …
Vanadium-bearing titanomagnetite is a very important mineral resource of vanadium, titanium and iron. Currently, the major process for smelting vanadium-bearing titanomagnetite involves firstly extracting iron and …
SYNOPSIS. A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of iron, …
However, only iron and vanadium can be extracted in this process and almost all titanium resource remains in slag without effective utilization [7], [8]. Moreover, a high percentage of other iron ore need to be added into VTM to prevent …
After the leaching, the pulp was filtered to obtain Ti-rich leaching residue. The leachate was used for solvent extraction and separation of vanadium and iron. The leaching rates of vanadium, titanium and iron (η) was defined as follows: (1) η = w × c 1 × v 1 m 0 × β × 100 % where c 1 was the concentrations of vanadium, titanium and iron.
process in this study for extraction and separation of vanadium, iron, and titanium using a mixture extractant of P204 and P507 was proposed. The inuences of the P204-P507 concentra-tion, P204 and P507 ratio, initial pH, phase ratio (O/A), and contact time on the extractions of vanadium, iron, and titanium were investigated.
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 …
Request PDF | A novel process for the recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite: sodium modification–direct reduction coupled process | A sodium modification ...
To further determine the existence form of vanadium ions before and after the reduction of the leachate, the FactSage software (GTT-Technologies, Germany) was used to conduct thermodynamic simulation analysis of …
DOI: 10.18503/1995-2732--5-12 Corpus ID: 252730734; Comprehensive Processing of an Iron Concentrate of Titanomagnetite Ore by a Selective Separation and Concentration of Iron, Vanadium and Titanium by Chemical Methods
The new process could realize higher recovery of iron, titanium, and vanadium from titanomagnetite concentrates and avoids the pollution of the traditional process. The aim of the present paper is to develop a metallurgical process for treatment of the rich titanium–vanadium slag from titanomagnetite concentrates.
In contrast, VTM is a multi-metallic iron-based ore containing iron, titanium, and vanadium as the main constituents [24, 25]. Since VTM has a high iron and titanium …
