separation of vanadium and titanium from iron ore

Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of the most important iron ore resources in China [1,2,3,4].Titanium, as an indispensable metal raw material for the modern industry and advanced science and technology, is mostly derived …

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% …

In this study, an efficient utilization of vanadium titanomagnetite concentrate was systemically investigated through potassium pyrosulfate (K2S2O7) synergized with ammonium sulfate ((NH4)2SO4) cascade roasting to separate and recover vanadium, iron, and titanium. The result shows that 95.87% of vanadium and 80.13% …

Titanium-bearing magnetite ore is generically defined as magnetite with > 1% titanium dioxide (TiO2) and is usually vanadium-bearing. The iron and titanium occur as a mixture of magnetite (Fe3O4 ...

Vanadium, titanium and iron appear efficient separation from VBT ore. The secondary chlorination of HCl gas promote the extraction of valuable metals. High-value …

Vanadium-titanium magnetite ore benefication process, inclding below equipment: Ball mill; Spiral classifier; Magnetic separation; Dewatering machine; Filter machine; Thickener; Grinding: The raw ore enters the ball mill for grinding, and works together with the classifier to form a closed-circuit ring mill. Separation: After two stages …

Study on Direct Reduction of Vanadium and Titanium Iron Ore Concentrate. Citation: Li Jun, Wu Enhui, Hou Jing, Huang Ping. Study on Direct Reduction of Vanadium and Titanium Iron Ore Concentrate [J]. Multipurpose Utilization of Mineral Resources, 2018, (6): 53-56,31. doi: 10.3969/j.issn.1000-6532.2018.06.0010.

This paper investigated a pellet ore production process in which vanadium was extracted from vanadium and titanium magnetite concentrates using sulfuric acid leaching. Calcium and magnesium were added to the iron ore concentrate during pellet production to produce calcium vanadate and magnesium vanadate after roasting. The …

1. Introduction. 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 …

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

Vanadium, titanium and iron appear efficient separation from VBT ore. The secondary chlorination of HCl gas promote the extraction of valuable metals. High-value products have been formed.

The vanadium content of molten iron is an important economic indicator for a vanadium–titanium magnetite smelting blast furnace, and it is of great importance in blast furnace production to be ...

agglomerates is 1480 N, and the recovery ratios of iron, vanadium, and titanium are as high as 91.19%, 61.82%, and 85.31%, respectively. The new process of metalizing reduction and magnetic separation based on hot briquetting demonstrates the …

@article{Cheng2023EnhancingRS, title={Enhancing Reduction Separation and Efficient Recovery of Iron, Vanadium, and Titanium for Ultra-High-Titanium Magnetite}, author={Gong-jin Cheng and Tong Han and Han-Lin Song and Ming-Lei Gao and He Yang and Xiang-xin Xue}, journal={Metallurgical and Materials Transactions B}, year={2023}, …

Vanadium titanomagnetite is a complex iron ore which contains iron, vanadium, titanium and other rare metal elements.1, 2 The vanadium titanomagnetite resources are abundant in the Panxi region of China, where the reserves are approximately 9.66 billion tons.3 The titanium resource in this region accounts for approximately 95% …

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 …

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 …

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 …

This method involves two procedures: low-temperature roasting of vanadium-bearing titanomagnetite and water leaching of roasting slag. During the roasting process, …

During the reduction of vanadium–titanium magnetite, more than 85% of the iron has been reduced to metallic iron, so the recovery rate of iron is determined by the …

Under the optimal conditions, 93.67% iron from the raw ore was recovered in the form of iron nugget with 95.44% iron grade. 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.

ore in the Chao-yang area of China. Pre-concentration technology depends on the difference of the separation characteristics between. target minerals and gangue minerals. In vanadium-titanium ...

This ore composition indicates that vanadium may have a strong affinity for titanium, iron, or their oxides. These facts suggest that developing an adsorbent based on titanium may improve the applicability of adsorption for V(V)/Cr(VI) separation.

1. Introduction. Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of …

1. Introduction. Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of the most important iron ore resources in China [1,2,3,4].Titanium, as an indispensable metal raw material for the modern industry and advanced science and technology, is mostly …

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 ...

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 ...

@article{Han2021OptimizedMS, title={Optimized magnetic separation for efficient recovery of V and Ti enriched concentrates from vanadium-titanium magnetite ore: Effect of grinding and magnetic intensity}, author={Yosep Han and Seongmin Kim and Byunghun Go and Sujeong Lee and Seongkyun Park and Hoseok Jeon}, …

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 …

Abstract. In this work, diboron trioxide and calcium fluoride are applied as composite additives to explore a process suitable for processing low-grade, high …

High-chromium vanadium–titanium magnetite (HCVTM) is a good valuable resource with high iron content in the form of complex iron ore which contains various valuable metal elements such as iron ...

Semantic Scholar extracted view of "Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic separation mechanism of titanium and iron minerals" by Wenbo Li et al. ... Effect of bastnaesite as reductant on hematite reduction during in-situ suspension magnetization roasting of refractory iron ore under neutral atmosphere.

Alternatively, the ore can be directly smelted, resulting in ferrotitanium alloy and vanadium-containing slag, which can be used to recover iron, titanium, and vanadium. However, it is important to note that the concentrate also contains adverse elements, such as 4.44% SiO 2, 4.37% Al 2 O 3, and 1.2% MgO, which can impact …

Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of the most important iron ore …

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 ...

Vanadium–titanium magnetite is one kind of iron, vanadium, titanium multiple-element symbiotic typical composite ore, ... The slag–iron separation effect of vanadium–titanium magnetite was researched under different smelting temperature (1400 °C, 1450 °C and 1500 °C) and different basicity of slag (0.27, 0.5, 0.8 and 1.1). ...

Hydrochloric acid leaching has been widely used in the recovery process of vanadium due to its efficient selectivity. It was necessary to further separate vanadium from hydrochloric acid leaching solution. Four extractants of P204, P507, Cyanex272, and N1923 were compared for extraction of vanadium from a simulated hydrochloric acid …

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].