The technology addresses the recovery of vanadium pentoxide, vanadyl sulfate, ferrous sulfate, titanium hydrolysate, and silica from feedstocks such as vanadiferous titano-magnetite, iron ores and concentrates such as magnetite and hematite, vanadium …

An effective and cleaner process to recovery iron, titanium, vanadium, and chromium from Hongge vanadium titanomagnetite with hydrogen-rich gases. Ironmak. Steelmak. 2021, 48, 33–39.

The Role of Titanium Dioxide (TiO 2) Nanoparticles in Self-Cleaning Glass. Titanium dioxide is a highly reactive catalyst that is extensively used in the industry. It has many unique properties, for example, titanium dioxide can be characterized as a white powder in bulk quantity. ... Self-cleaning: Glass coated with vanadium dioxide ...

In this study, a clean pellet production method of calcium roasting and sulfuric acid leaching of vanadium from vanadium and titanium magnetite concentrates is proposed, which can effectively separate vanadium and iron, and the pellets after acid leaching and vanadium extraction can be used as raw material for iron making after …

Vanadium‑titanium bearing magnetite is a complex ore that contains iron, titanium, vanadium, chromium as well as other valuable elements. In China, vanadium‑titanium bearing magnetite is mainly used as the raw materials for ironmaking. ... The self-cleaning effect of vanadium under acidic conditions can maintain reactive …

The traditional roasting technique using sodium salts in vanadium production has been disadvantageous due to the large consumption of energy and the emission of harmful gases. A modified process using molten salt roasting and water leaching to extract vanadium and titanium from domestic titanomagnetite concentrate was …

Neometals own the Barrambie Titanium Vanadium Iron Project in Western Australia. Barrambie's Eastern Band is one of the highest grade hard rock titanium deposits globally. No vanadium related ...

Vanadium–titanium magnetite (VTM) owes its extremely high and comprehensive utilization value due to abundant associating and valuable elements such as iron, vanadium and titanium [].The reserve of the VTM resources attains over 10 billion tons in the Panzhihua and Xichang regions, in which the reserve of the TiO 2 reaches …

of Vanadium-Titanium Magnetite Shiju Zhang, Songli Liu, Wenhui Ma, Kuisong Zhu, Li Cao and Yongnian Dai Abstract There is an abundance of vanadium-titanium magnetite in Panzhihua, China, which contains more than 8.73 108 tons of TiO 2 accounting for 90.6% of the national reserves. To fully utilize Panzhihua titanium resources, many processes ...

A review on cleaner strategies for chromium industrial wastewater: present research and future perspective. J. Clean. Prod. (2019) ... Vanadium–titanium magnetite ore blend optimization for sinter strength based on iron ore basic sintering characteristics. International Journal of Mineral Processing, Volume 142, 2015, pp. 125-133 ...

The tailing samples used in this experiment were collected using clean plastic bags from Majiatian vanadium-titanium magnetite tailings dam in Panzhihua City, Sichuan Province, China (Fig. 1). All the samples were air-dried in cloth bags and then milled with agate mortars and sieved by a 200-mesh screen.

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 VTM is …

Iron was recovered in the form of high chromium–vanadium iron with 81.53% Fe, 1.31% Cr, and 2.04% V, and titanium was recovered as titanium dioxide pigment with 85–90% yield.

The main reason is that the main raw material consumed in the production of V 2 O 5 is vanadium slag, the industrial production of which mainly consumes initial non-renewable resources such as vanadium-titanium magnetite, raw coal, crude oil, and natural gas. For PⅠ, coking coal in SⅢ was the key substance for the environmental …

In addition to vanadium, titanium concentrates were also obtained by medium-intensity magnetic separation and the grade and recovery were 38% and 75%, respectively. Graphical abstract. Download : Download high-res ... (Product 1) was subjected to a cleaning process through a low-intensity magnetic separation at 0.05 T, …

This work studied the effect of B2O3 (analytical reagent) on the parameters of a sintering pot test, as well as the metallurgical properties and microstructure of the sinter samples, to determine the feasibility of applying solid waste containing B2O3 in vanadium–titanium sintering. The results show that along with B2O3 addition, the …

Vanadium dioxide (VO2) is a Mott phase transition compound that can be applied as a thermochromic smart material for energy saving and comfort, and titanium dioxide (TiO2) is a well-known photocatalyst for self-cleaning coatings. In this paper, we report a VO2@TiO2 core-shell structure, in which the …

The Company reported annual vanadium pentoxide ("V2O5") equivalent sales of 11,393 tonnes at a cash operating cost excluding royalties per pound1 of . 2021 revenues increased 65% to $198.3 ...

An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: low-temperature roasting of vanadium-bearing titanomagnetite and water leaching of roasting slag. During the roasting process, the reduction of iron oxides to metallic iron, the sodium …

the vanadium extraction from the vanadium–titanium magnetite concentrate. At the same time, phase transformation analyses were conducted to reveal the mechanism by which potassium salt strengthens the vanadium extraction and the kinetics model was established to further explain the effect of potassium salt. 2. Experimental 2.1. Materials

The answer: titanium-based alloys that contained the metal vanadium. When added to titanium, vanadium helps to create alloys with the best strength-to-weight ratio of any engineered material on earth. Half a century later, there remains no acceptable …

The authors would like to thank State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization for its financial supports on this work. ... Chen, Y.X. Effects of Static and dynamic hydrogen charging on tensile properties of SM490B clean steel. Shanghai Metals 2012, 34, 25–28. [Google Scholar] Maroef, I. …

Many metals and minerals are the backbone of the clean energy transition. However, its extraction and production are known to be a source of various environmental impacts. ... Vanadium–titanium magnetite ore blend optimization for sinter strength based on iron ore basic sintering characteristics. International Journal of Mineral Processing ...

A novel method of pellet calcification roasting-H 2 SO 4 leaching was proposed to efficiently separate and extract vanadium (V) from vanadium-titanium (V-Ti) magnetite concentrates. The leaching rate of V is as high as 88.98%, while the leaching rate of impurity iron is only 1.79%. ... A cleaner vanadium extraction method featuring non …

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 …

In addition, since the best working temperature of the vanadium‑titanium-based catalyst is 300– 450 °C, the SCR system is often installed in the high dust area before the dedusting and desulfurization equipment of the boiler, where the flue gas contains a large amount of dust, alkali metals and heavy metals, triggering severe poisoning of ...

An effective and cleaner process to recovery iron, titanium, vanadium, and chromium from Hongge vanadium titanomagnetite with hydrogen-rich gases Article Feb 2020

Semantic Scholar extracted view of "A novel method to extract iron, titanium, vanadium, and chromium from high-chromium vanadium-bearing titanomagnetite concentrates" by Longsheng Zhao et al. ... Cleaner extraction of vanadium from vanadium-chromium slag based on MnO2 roasting and manganese recycle. Jing Wen T. Jiang …

The chemical composition of vanadium slag significantly affects its element distribution and phase composition, which affect the subsequent calcification roasting process and vanadium recovery. In this work, seven kinds of vanadium slags derived from different regions in China were used as the raw materials to study the effects of different …

The formation mechanism of calcium vanadate and manganese vanadate and the difference between calcium and manganese in the reaction with vanadium are basic issues in the calcification roasting and manganese roasting process with vanadium slag. In this work, CaO-V2O5 and MnO2-V2O5 diffusion couples were prepared and …