Process Mineralogical Analysis of a Typical Vanadium Titano …

The Effect of Different Magnetic Separation Procedures of a Korean VTM Ore on Combined Pyro-hydrometallurgical Vanadium Recovery Behavior ... respectively. The elements of iron, titanium and vanadium in vanadium-titanium magnetite are mostly distributed in the titanomagnetite and ilmenite phases. The main elements of gangue minerals are calcium ...

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 …

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 …

Separation and Recovery of Iron from Vanadium …

Iron extraction from VTM is an issue for the utilization of Vanadium titanomagnetite concentrate. In this work, flotation method combined with magnetic sorting …

Titaniferous magnetites as a source of vanadium titanium and iron …

Titaniferous magnetite hard rock deposits are common throughout the world. Previously they have been processed to recover vanadium using the standard salt roast process, however the economics based on vanadium alone can be marginal due to the high CAPEX and OPEX, making it vulnerable in a volatile vanadium market. New Zealand Steel and others have produced …

A method for recovery of iron, titanium, and vanadium …

A method for recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite 133 The extractions of vanadium and titanium were calcu-lated by the following formula [16]: 1 ii Cm X Cm, where X is the leaching efficiency of vanadium or titanium; Ci and C are the mass fractions of vanadium or titanium in

Cleaner and effective extraction and separation of iron from vanadium …

This study will provide new insights for green and cleaner use of rare earth iron ore, vanadium titanium magnetite and chromite to achieve selective separation of Fe. 2 ... Thus, the effective separation of Fe from vanadium slag can be achieved by controlling the electrolytic voltage. Download: Download high-res image (345KB) Download ...

A review on vanadium extraction techniques from major vanadium …

The critical role of vanadium in metallurgy and the increasing commercialization of vanadium redox flow batteries have contributed to a rise in market demand for vanadium, emphasizing the need to ensure the sustainability of vanadium production. Converter vanadium slag and stone coal, generated during the smelting process of vanadium–titanium magnetite, …

Reduction roasting magnetic separation of vanadium …

dium. ''Vanadium extraction–iron recovery'' process is a new process to treat vanadium–titanium magnetite ore, which extracts V 2O 5 and then treats vanadium tailings to obtain iron and titanium. Compared with other processes, the ''vanadium extraction–iron recovery'' process has higher vanadium recovery rate and lower ...

Separation and Recovery of Iron from Vanadium …

Abstract Vanadium titanomagnetite (VTM) is a complex polymetallic symbiotic mineral dominated by iron, titanium, and vanadium. Iron extraction from VTM is an issue for the utilization of Vanadium titanomagnetite concentrate. In this work, flotation method combined with magnetic sorting was proposed to separate and recover the iron resources from VTM. The …

Enhancing Reduction Separation and Efficient Recovery …

Compared with the vanadium–titanium magnetite in China's Panzhihua and Chengde and Russia, New Zealand, and South Africa,[4–11] this mine not only has an ultra-low-grade vanadium–titanium magnetite, but also the characteristics of high vanadium and ultra-high titanium.[3,12–14] This mine is a composite iron ore

Reduction roasting–magnetic separation of vanadium tailings …

Reduction roasting with sodium sulfate followed by magnetic separation was investigated to utilize vanadium tailings with total iron grade of 54.90 wt% and TiO2 content of 17.40 wt%. The results show that after reduction roasting–magnetic separation with sodium sulfate dosage of 2 wt% at roasting temperature of 1150 °C for roasting time of 120 min, …

Titaniferous Magnetites as a Source of Vanadium, …

metal oxides, including lithium, vanadium and titanium. 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 advantages claimed are low cost, high recovery, no

Characterization and Pre-Concentration of Low …

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 …

Efficient separation of vanadium, titanium, and iron from …

A novel process featuring pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction was carried out to separate vanadium, titanium, and iron from …

Metalizing reduction and magnetic separation of vanadium …

To achieve high efficiency utilization of Panzhihua vanadium titano-magnetite, a new process of metalizing reduction and magnetic separation based on hot briquetting is proposed, and factors that affect the cold strength of the hot-briquetting products and the efficiency of reduction and magnetic separation are successively investigated through …

High-Efficiency Extraction of Fe, V, and Ti from Vanadium …

Vanadium-containing titanium magnetite is the main source of V and Ti in the internal market. About 75% Fe, 82% V, and 44% Ti pass into iron concentrate during ore enrichment [].Therefore, the question of how to improve comprehensive utilization of vanadium-titanium magnetite concentrate (VTMC) is of decisive importance for the vanadium and …

Oxidation behavior of low-grade vanadiferous …

Compared with the VTM ore from other areas, it has the characteristics of low iron, high titanium and high vanadium, and extremely high strategic and comprehensive utilization values [7,8,9]. In recent years, several technologies have been developed to treat VTM ore for comprehensive utilization, such as gas-based shaft furnace, blast furnace ...

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].

A method for recovery of iron, titanium, and vanadium from …

During the roasting process, the reduction of iron oxides to metallic iron, the sodium oxidation of vanadium oxides to water-soluble sodium vanadate, and the smelting separation …

Separation and Recovery of Iron from Vanadium …

Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency ...

Characterization and Pre-Concentration of Low-Grade Vanadium-Titanium …

A vanadium-titanium magnetite concentrate with 1.14% V2O5, 22.22% TiO2, 42.51% Fe and a rough concentrate of ilmenite with 16.05% TiO2, 20.77% Fe were obtained from low-grade vanadium-titanium ...

Separation and recovery of iron and titanium from oxidized vanadium …

Titanium plays a considerably important role in the modern industry, which is widely used in aerospace, military, metallurgy, solar cell, pigment and other advanced materials fields [1], [2], [3].As one of the largest of titanium resources in the world, vanadium titano-magnetite represents a valuable raw material for the production of titanium [4].

A new process for the recovery of iron, 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...

Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis …

We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium magnetite (VTM) …

Experimental Research on Comprehensive Recovery of Iron and Titanium

For comprehensive recovery and utilization of low grade vanadium titanium magnetite ore, detailed experimental research were carried out. When using the beneficiation process com-bined with dry discarding of tailings, stage grinding and stage separation, the qualified iron concen-trate with a yield of 13. 65%,TFe grade of 54. 14% and recovery rate of …

Separation of Ilmenite from Vanadium Titanomagnetite by …

Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium resources. Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies. In particular, the …

Separation and recovery of iron and titanium …

PDF | Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium... | Find, read and cite all the research you need on ...

Efficient separation of vanadium, titanium and iron from vanadium …

Vanadium is a strategic metal and its compounds are widely used in industry. Vanadium pentoxide (V2O5) is one of the important compounds of vanadium, which is mainly extracted from titanomagnetite ...

Separation and Recovery of Vanadium(IV), Iron, and Titanium …

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 medium, the …

Separation and Recovery of Vanadium(IV), Iron, and …

This study addressed the separation and recovery of vanadium(IV), iron, and titanium from synthetic and real leach solutions of vanadium-bearing titanomagnetite using …

Mineralogical reconstruction of Titanium-Vanadium hematite …

In this paper, magnetization roasting - low-intensity magnetic separation was performed on a pre-concentration concentrate obtained from an Australian hematite containing titanium and vanadium to realize the separation of titanium and vanadium. The results showed that an iron concentrate with TFe (total iron) grade of 58.71%, iron recovery of 86.72% and V 2 …

The extraction of vanadium from titanomagnetites and other sources

Recovering vanadium from vanadium titanium-magnetite (VTM) ore using (NH4)2C2O4 is a clean hydrometallurgical process, but the drawback is the low recovery and slow kinetics due to the formation ...

Fusion Separation of Vanadium-Titanium Magnetite …

iron, vanadium and titanium efficiently, and enriched titanium into slag efficiently [24–26]. It can be observed that, whether it is the separation of raw ore or the use of metallurgical processes, there are generally problems such as long process flow, high processing cost, low

A new process for the recovery of iron, vanadium, …

In this paper, a new process for VTM beneficiation is proposed, comprising metallizing reduction, magnetic separation, and electroheat melting separation. The proposed flow sheet is shown in Figure 1.

Extraction and separation of iron technology and research …

Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction process. Sep. Purif. Technol. ... Solvent extraction of Fe (III) from the chloride leach liquor of low grade iron ore tailings using Aliquat 336. Hydrometall. (2011) Z. Liu et al.

Mechanism on the Separation of Vanadium and …

Vanadium slag is a strategic vanadium extracting source, which is produced from the hot-metal treatment prior to the basic oxygen steelmaking (BOS) or during the converter steelmaking process by using …