A novel process for separating iron and titanium from Indonesian beach titanomagnetite (TTM) concentrates is proposed. This process involves several steps, including mixing the TTM concentrate and ...

Iron and aluminum in red mud were recovered by a reductive sintering–magnetic separation–digesting process. The raw materials were composed of ordinary Bayer red mud, MgO, Na 2 CO 3 and C, in which MgO and Na 2 CO 3 were used as mineralizing agents, and C as a reductive agent. Sintering orthogonal experiments …

Reduction roasting-magnetic separation realizes the separation of titanium and iron in high-titanium beach titanomagnetite. However, the TiO 2 grade in titanium concentrate is low, and few studies have investigated low-titanium beach titanomagnetite. The preconcentration-reduction roasting and magnetic separation process was …

DOI: 10.1016/J.HYDROMET.2011.12.023 Corpus ID: 96147564; Solvent extraction of titanium from the simulated ilmenite sulfuric acid leachate by trialkylphosphine oxide @article{Hao2012SolventEO, title={Solvent extraction of titanium from the simulated ilmenite sulfuric acid leachate by trialkylphosphine oxide}, author={Xiaoli Hao and Li …

100.00. The titanium and iron distribution of raw beach sand was studied. The results of titanium and iron distribution in different size fractions of raw beach sand are presented in Table 1. It was found that titanium and iron assays were 0.43% and 3.82% respectively in the +1000 microns particle size fraction.

The black sand magnetite is a raw material to produce iron and steel. High content magnetite in the top meter beach sands of the north-west of El-Burullus Lake of Egypt is separated and mineralogically and geochemically investigated. Magnetite content obtained by laboratory techniques varies between 2.92 and 0.11 wt%, with 1.15 wt% …

The recovery of iron, vanadium, and titanium to their respective products were 41.5%, 95.3%, and 85.3%, respectively. In summary, the extraction of metals through reduction–grinding–magnetic separation process can be successfully achieved and a higher recovery of the metal can be obtained.

To separate the iron from the titanium compound strong hydrochloric acid is used, generating iron chloride solutions. ... The amount of rutile sand necessary for conversion to TiCl 4 is a function of the purity of the sand, and the effectiveness of the purification process. Stoichiometric excess of magnesium is always employed, some …

and Canada, whereas iron sand deposits are found in New Zealand, Indonesia, the Philippines, and India [3 ]. Before being used as a raw material for ironmaking, the iron …

Abstract. 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 four main stages in the process flow diagram: sample preparation, leaching, hydrolysis, and solvent extraction. Sample preparation is proposed using a two-stage water washing …

The iron and titanium elements in bauxite were greatly enriched into red mud with the lime additive cancellation, exhibiting high recycling potential. In this work, pre-reduction followed by flux-free smelting was proposed for separation and recovery of Fe/Ti resource from this red mud.

Through this process, direct reduced iron with Fe grade of more than 90%, Fe recovery of more than 85%, TiO 2 grade of less than 1% and titanium-rich tailings with TiO 2 grade of 30%-40% can be ...

1. Introduction. The vanadium–bearing titanomagnetite (VBT) is a strategic and complex iron ore, which containing valuable metals of vanadium, titanium, and iron used as constituents of several alloys, whitepigments, and steel [1], [2], [3].In China, the gross reserve of titanium in VBT ore is estimated to be about 1.18 million tons, …

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 …

1. Introduction. Vanadium (V) slag is a strategic material that is obtained from the high-temperature smelting process of vanadium–titanium magnetite (Li et al., 2015; Liu et al., 2017).The main metal elements in the slag are V, Cr, Ti, and Fe (Fan et al., 2017; Zhang et al., 2019).The most typical use of V slag is for the production of V 2 O 5, …

97.64% iron in the leaching solution was recovered by the ammonium jarosite precipitation process, and ammonium sulfate with a purity of 99.65% can be obtained. The process can competently be applied to recover titanium, scandium, and iron in acidic wastewater and resource treatment of red gypsum.

The flowsheet shown in Fig. 1 involves three main operations: (i) oxalic acid leaching of RM to obtain an iron product and a REE-rich residue (Li et al., 2022a), (ii) pH adjustment for the Fe-removed leachate to precipitate Si and Ti, and (iii) production of Al(OH) 3 and SiO 2 (with Ti entrapped), as the two primary products. Fig. 1 also depicts …

Approximately, 80 kt of titanium mill products was consumed by the aircraft industry in 2015,[72]and the major alloy was Ti 6-4. This alloy exhibits high specific strength and has a large capacity for impurities such as iron and oxygen. Hence, Ti 6-4 is a suitable alloy for titanium recycling by remelting.

Using magnetic separation in sand washing plants can improve product quality, purity and production efficiency, while achieving resource recovery and environmental protection.These advantages make magnetic separation a commonly used process in sand washing plants. It effectively removes unwanted iron particles from the …

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.

and Canada, whereas iron sand deposits are found in New Zealand, Indonesia, the Philippines, and India [3 ]. Before being used as a raw material for ironmaking, the iron sand must be upgraded by magnetic separation to increase the concentration of the iron as well as titanium and vana-dium. The upgraded iron sand, or iron sand concentrate,

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 ing …

The SEM-EDS examination and chemical analysis indicated that the iron and titanium were segregated during the reduction of the iron sand concentrate pellet, especially during heating from 1000 to ...

An iron sand concentrate was pelletized and reduced using coal under the isothermal–temperature gradient profile with a controlled heating rate starting from 1000 …

The molten iron has a dissolved carbon content of approximately 3.6% as well as some silicon, manganese, vanadium, and titanium. Slag, which floats on top of the iron, has the function of removing impurities from the iron and its chemical composition and temperature to a large extent determine the chemistry and hence quality of the iron.

With the continuous depletion of high-grade titanium ores and the increasing demand for titanium dioxide, the low-grade titanium sand has become an important source for the production of ilmenite concentrate; however, the large-scale utilization of the sand is disappointedly scarce, due to its leanness in valuable minerals and insufficient …

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%, …

The separation process described could be used to produce TiO 2 and ZnO simultaneously. ... Specifically, ilmenite sand was treated with 85% phosphoric acid for 5 h at 150 °C and the mixture was allowed to cool and settle, ... This process extracts more titanium than iron but consumes more energy. As with weak acids, leaching in alkaline ...

The highest content of iron oxides is found in SYA-104 (6.91%), while the highest titanium content is in sample SEM-205 (1.56%). Hence, the sands with the highest iron and titanium content may be …

Keywords: magnetic separation; iron and titanium oxides; black sand; ilmenite; process design; beach sand; Ecuador 1. Introduction Iron titaniferous sands are natural mixtures of minerals that contain a high percentage of iron and titanium (Fe–Ti) oxides with traces of aluminum and zirconium oxides, among others [1].