Efficient Separation and Recovery of Vanadium, Titanium, …
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 11 Best Vanadium Stocks To Buy Now
Tivan LTD (OTCPK: TNGZ.F) Formerly known as TNG limited, Tivan Limited is a mining company with exploration rights in Australia. The Australian resources company is primarily interested in the mining of iron, nickel, vanadium, and cobalt deposits. The company is proud of its vanadium-titanium project on Mount Peake.
Optimized magnetic separation for efficient recovery …
We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium …
Selective nitridation–corrosion process to recover vanadium, titanium
Vanadium slag (V-slag) is an important secondary V source, but other valuable elements are discarded in the tailings in industry. Herein, a green nitridation–corrosion process is proposed for the comprehensive recovery of valuable elements (V, Ti, Cr, Fe) from V-slag without producing hazardous waste.Thermodynamic …
Characterization and Pre-Concentration of Low-Grade …
Vanadium and titanium are important industrial raw materials, which due to their properties have found applications in various fields [1,2]. Vanadium-titanium magnetite ore is a typical poly-metallic
Smelting Reduction Characteristics and Mechanism of Vanadium–Titanium
The calcium hydroxide (Ca(OH) 2) was used as fluxes to adjust the basicity of vanadium–titanium magnetite carbon-bearing pellet.Its purity was 95%. 2.3 Smelting Reduction Experimental Method of Vanadium–Titanium Magnetite Carbon-Bearing Pellet. Firstly, a certain amount of vanadium–titanium magnetite, coal and Ca(OH) 2 …
Vanadium professional manufacturer
Vanadium, a silver-white metal, has a melting point (1890°C), a boiling point of 3380°C, and a density of 6.110g/cm³. It is not easy to oxidize in the air and can adsorb hydrofluoric acid, nitrides and aqua regia. chloride. It is also stable in alkali, sulfuric acid and salt. Hydrogen often penetrates widely with iron-iron, vanadium ...
(PDF) Recovery of Fe and V via selective reduction
PDF | On Nov 18, 2021, Liwei Liu and others published Recovery of Fe and V via selective reduction–magnetic separation of vanadium-titanium magnetite concentrate | Find, read and cite all the ...
Development process and trends of vanadium extraction from vanadium
The development process and current situation of vanadium extraction from vanadium-titanium magnetite ore were introduced in the paper.The advantages,disadvantages,main process parameters and technical indexes of vanadium extraction process were represented,too.Aiming at the typical disadvantage of present vanadium extraction …
Strategy and Technical Progress of Recycling of Spent Vanadium-Titanium …
This review focuses on the two main routes of regeneration and recycling of spent vanadium-titanium SCR catalysts that are currently most widely commercially used and summarizes in detail the technologies of recycling, high-efficiency recycling, and recycling of valuable components of spent vanadium-titanium SCR catalysts.
Research on the Slag Phase Type of Vanadium‐Titanium …
Research on the Slag Phase Type of Vanadium-Titanium Magnetite in Pre-Reduction-Electric Furnace Smelting. Yufeng Guo, Yufeng Guo. Search for more papers by this author. Minjun Tang, Minjun Tang. Search for more papers by this author. Tao Jiang, Tao Jiang. Search for more papers by this author.
Enrichment and reconfiguration of titanium-bearing phase …
The reserves of vanadium–titanium magnetite exceed 18 billion tons [], accounting for over 90 wt.% of China's titanium resource reserves [2, 3].At present, the blast furnace method of smelting vanadium–titanium magnetite only recovers Fe and a part of V [].Due to the low titanium content [5, 6] and the difficulty in dissociating the Ti …
Superconducting transition temperatures of pure vanadium and vanadium
In between these limiting cases, a most fascinating regime may emerge where disorder enhances superconductivity. This effect is discussed here for the $beta$-phase of vanadium-titanium alloys. Disorder is modeled using the coherent potential approximation while local electronic interactions are treated using dynamical mean-field …
Titanium Vanadium Alloy | AMERICAN ELEMENTS
It is a hard, ductile transition metal that is primarily used as a steel additive and in alloys such as Titanium-6AL-4V, which is composed of titanium, aluminum, and vanadium and is the most common titanium alloy commercially produced. Vanadium is found in fossil fuel deposits and 65 different minerals. Vanadium is not found free in nature ...
Preparation, Sintering Behavior and …
High-quality oxidized pellets are the basis to achieve high-efficiency utilization of vanadium–titanium magnetite (VTM) ores. Bentonite was used as a binder of VTM. The main phase composition of …
Titaniferous magnetites as a source of vanadium titanium …
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 …
Enhancing Reduction Separation and Efficient …
Tong Han, Han-Lin Song, Ming-Lei Gao, He Yang & Xiang-Xin Xue. 282 Accesses. Explore all metrics. Abstract. In this work, diboron trioxide and calcium fluoride …
Separations | Free Full-Text | Process Mineralogy of …
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 and cobalt [1,2,3]. The …
High-Efficiency Smelting Separation of Vanadium–Titanium …
South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chromium [1,2,3].Its ore composition is composed of more than 20 elements [4,5,6].It is the most complex ore of its type in the world and contains more than 10 valuable elements, so it has a very important integrated utilization …
Mineralogical reconstruction of Titanium-Vanadium …
Titanium-vanadium hematite. Iron titanium separation. Magnetization roasting. Magnetite. 1. Introduction. Titanium and vanadium are strategically important …
Smelting Vanadium–Titanium Magnetite by COREX Process …
The slag ing caused by Ti(C,N) is the main limitation of smelting vanadium–titanium magnetite by blast furnace. COREX, with unique pure oxygen injection that avoids the formation of Ti(C,N), has a huge potential advantage for the smelting of vanadium–titanium magnetite. In the present study, the detailed characterization was …
Superconducting transition temperatures of pure vanadium and vanadium
This effect is discussed here for the $ensuremath{beta}$ phase of vanadium-titanium alloys. Disorder is modeled using the coherent potential approximation while local electronic interactions are treated using dynamical mean-field theory. The McMillan formula is employed to estimate the superconducting transition temperature, …
Solid-state reduction kinetics and mechanism of pre-oxidized vanadium …
M 3 O 5-type (M can be Fe, Ti, Mg, Mn, etc) solid solutions would be formed during the reduction process of the pre-oxidized vanadium-titanium magnetite concentrate at 1050 °C for 60 min. The poor reducibility of iron in M 3 O 5 solid solutions is the main reason to limit the reduction property of pre-oxidized vanadium-titanium magnetite ...
Multiple heavy metal distribution and microbial community
Vanadium-titanium (V-Ti) magnetite tailings have caused great concern due to their safety hazards and environmental risks. However, the microbial community structure and the key geochemical factors of V-Ti magnetite tailing profiles under different management modes remain unclear. Therefore, we investigated the heavy metal …
Minerals | Free Full-Text | Influence of Vanadium–Titanium …
Vanadium–titanium ore possesses significant mining and utilization value. The basicity of vanadium–titanium sinter has a direct impact on the formation, location, thickness, permeability, and heat exchange of the cohesive zone in the blast furnace. This paper investigated the influence of increasing the basicity of the sinter on the …
Carbothermic Reduction of Vanadium-Titanium …
XRD patterns for vanadium-titanium magnetite. ISIJ International, Vol. 58 (2018), No. 4. was shown in Figs. 5–6. In the shaded area, metal and slag can be well separated. Figure 5 shows that when the ratio of carbon is 2.0 to 2.8 and the content of NaOH is 30% to 45% at 1 473 K, metal and slag can be well separated.
Superconducting transition temperatures of pure …
Superconducting transition temperatures of pure vanadium and vanadium-titanium alloys in the presence of dynamical electronic correlations. Ordinary …
Vanadium mobilization and redistribution during mineral
Due to the long-term open stockpile, the release of vanadium (V) from V-containing tailings will cause continuous V pollution in the mining area. ... Vanadium mobilization and redistribution during mineral transformation of vanadium-titanium magnetite tailings with different weathering degrees Sci Total Environ. 2023 Jun 23;894:165068. doi: 10. ...
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 …
Hydrogen retention by vanadium-titanium alloys
Hydrogen retention in vanadium and its binary alloys with titanium are investigated by means of hydrogen thermal desorption spectrometry. The samples are saturated with hydrogen for 2000 h at a temperature of 620 K in an autoclave, where hydrogen is fed at a pressure of 16.8 MPa. It is shown that in V-Ti alloys there are two …
