Abstract: An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method in-volves two procedures: low-temperature roasting of vanadium-bearing titanomagnetite and water leaching of roasting slag. During the roast-ing process, the reduction of iron oxides to metallic iron, the sodium ...
Vanadium-titanium (V–Ti) magnetite tailings contain toxic metals that could potentially pollute the surrounding environment. However, the impact of beneficiation agents, an integral part of mining activities, on the dynamics of V and the microbial community composition in tailings remains unclear.
Therefore, the present study investigates the compositions, textures, element distributions, and particle size characteristics of VTM ores in Panzhihua were studied via mineral …
The recoveries of vanadium, iron, and titanium reached 84.52%, 89.37%, and 95.59%, respectively. ... Experimental research on improving the recovery of vanadium titanomagnetite ore in Hongge mining areas in Panzhihua, Sichuan Nonferrous Met., No. 2, (2011),p. 17. Google Scholar X.Q. Wang, Blast Furnace Process for Vanadium …
Panzhihua, China. Large vanadium contents of 1130.1 ± 9.8 mg/kg and 0.13 ± 0.02 mg/L were found in ... age annual rainfall was 860 mm. Vanadium mining and smelting activities have been conducted in the ... total vanadium and other metal ions. The modified three‐step Community Bureau of Reference (BCR)
The rich titanium–vanadium slag used in the present study was prepared through direct reduction reaction, magnetic separation, and desilication [19].The sample was chemically analyzed using inductively coupled plasma optical emission spectroscopy (ICP-OES, Optima 5300DV, Perkin-Elmer, USA) as shown in Table 1.The mineralogical …
1. Introduction. Vanadium is extensively used for the traditional steel, automobile and aviation industries, and advanced vanadium redox flow batteries (Almeida et al., 2020).Vanadiferous titanomagnetite ore (VTM) is the primary source of iron (Fe), titanium (Ti), and vanadium (V) (Yang et al., 2021).The Panzhihua area of China is …
The study sites are located in the Panzhihua region (26°05′-27°21′N, 101°08′-102°15′E), Sichuan Province, China. Surface (upper 20 cm layer) soil samples were collected from five different vanadium manufacturing locations, including mining plant (MP), waste dump (WD), concentrator (CO), smelter (SM) and tailing reservoir (TR) in …
nium magnetite (HCVTM) and ordinary vanadium–tita-nium magnetite (VTM). HCVTM contains TiO 2 of 5.55% and Cr 2O 3 of 0.62%, while, TiO 2 content can reach 13% in VTM. HCVTM is mainly reserved in the Kuranakh deposit and used in Jianlong steel. However, VTM is mainly reserved in the Panzhihua mining area and used in Panzhihua steel.
composed of iron, vanadium, and titanium, as well as small amounts of chromium, nickel. ... Panzhihua mining area consists of typical magmatic differentiation basic r ock deposits [13].
Basicity has an important effect on the behavior of high-chromium vanadium-titanium magnetite (HCVTM) sinter. The effect of basicity on sintering, reduction, and softening-melting properties was investigated in an experiment-scale sinter pot. The results showed that with the basicity increasing from 1.7 to 2.5, the vertical sinter speed, the …
As the pillar that supports the development of vanadium-titanium magnetite mines, Panzhihua Iron and Steel Co. has risen as the world's number one vanadium …
Basicity has an important effect on the behavior of high-chromium vanadium-titanium magnetite (HCVTM) sinter. The effect of basicity on sintering, reduction, and softening-melting properties was investigated in an experiment-scale sinter pot. The results showed that with the basicity increasing from 1.7 to 2.5, the vertical …
There is an abundance of vanadium-titanium magnetite in Panzhihua, China, which contains more than 8.73 × 108 tons of TiO2 accounting for 90.6% of the national reserves. To fully utilize Panzhihua titanium resources, many processes were proposed. See more
With continuous mine exploitation, regional ecosystems have been damaged, resulting in a decline in the carbon sink capacity of mining areas. There is a global shortage of effective soil ecological restoration techniques for mining areas, especially for vanadium (V) and titanium (Ti) magnetite tailings, and the impact of phytoremediation techniques …
study the mineralogy process of VTM ores in the Panzhihua mining area. The present study characterizes the compositions, ore textures, minerals, and particle …
Abstract Vanadium mining activities can cause contamination of the surrounding geological environment. ... and sediment from Panzhihua, China. Large vanadium contents of 1130.1 ± 9.8 mg/kg and 0.13 ± 0.02 mg/L were found in surface soil and groundwater. ... Redundancy analysis shows that vanadium and nutrients …
This paper selects 22 representative tailings ponds in the Panzhihua area to conduct systematic research on tailings resource potential, valuable element occurrence …
There is an abundance of vanadium-titanium magnetite in Panzhihua, China, which contains more than 8.73 108 tons of TiO2 accounting for 90.6% of the national reserves. …
Pangang Group Vanadium Titanium & Resources Co., Ltd. was incorporated in March 1993. Its A shares were listed in Shenzhen Stock Exchange on November 1996. The main business includes processing of hot-rolled steel coil, strip, plate rolling and vanadium products.
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 …
Panzhihua, nestling at the confluence of the Jinsha and Yalong rivers, has the world's largest titanium reserves and the third largest vanadium reserves on earth. It is …
1. Introduction. The vanadium-bearing titanomagnetite (VBTM) ore deposit in the Panzhihua–Xichang region, China, is a complex ore that contains many valuable elements, including titanium (Ti), vanadium (V), iron (Fe), chromium (Cr), scandium (Sc), and gallium (Ga), and has high utilization value [1,2,3].Vanadium titanomagnetite …
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%, …
Vanadium is a trace element widely distributed in the Earth's crust. Naturally high levels of vanadium are recognized mainly in basic rocks and minerals, particularly in titaniferous magnetite. And the anthropogenic sources of vanadium include fossil fuel combustion and wastes including steel-industry slags. In the last few years, the authors …
Long-term mining of iron-vanadium-titanium oxide (V-Ti magnetite) in Panzhihua, Sichuan, China has resulted in soils and sediments contaminated by metals (Yanguo et al. 2003; Zhou et al. 2005 ...
A comparative study of vanadium recovery from titaniferous magnetite using salt, sulphate, and soda ash roast-leach processes [C]//Proceedings of the 3rd Young Professionals Conference. Pretoria: Innovation Hub, 2017: 191âˆ'200. [9] SOLE K C. Recovery of titanium from the leach liquors of titaniferous magnetites by solvent …
Vanadium is a trace element, which may be biologically beneficial and possibly essential but certainly harmful to human beings and some living organisms if excessive. After over 40 years of development, the mining industry has caused serious environmental problems in the Panzhihua mining area. Vanadium is significantly …
panzhihua metallurgical mining titanium vanadium, Effects of ore-coke mixed charging on softening-dripping behavior of . Thus, a certain ratio of ore-coke mixed charging is helpful to improve the softening-dripping behavior of vanadium- titanium magnetite composite burdens for smelting in .
Recovering vanadium from vanadium titanium-magnetite (VTM) ore using (NH 4) 2 C 2 O 4 is a clean hydrometallurgical process, but the drawback is the low recovery and slow kinetics due to the formation of inhibitor. A novel energy-efficient mathematical model was derived for green leaching of VTM in which the mechanical …
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 were proposed. The development and utilization of vanadium-titanium magnetite
Abstract. Located in the upper reaches of the Yangtze River in Sichuan Province of southwest China, Panzhihua, a prefectural-level city, was the first Special Zone selected for resource development in China after 1949. This Special Zone city has been developed based on its rich mineral resources.
As a multi-metallic iron-based ore, vanadium-titanium (V-Ti) magnetite has huge reserves in China, with a mineable grade of 9.83 billion tons (Li et al., 2018). A large amount of V-Ti magnetite tailings have been generated in the selection process of Fe concentrate, with an accumulated storage of about 570 million tons in the Panzhihua …
Heavy metal contamination, particularly vanadium contamination in mining and smelting areas, is a worldwide serious problem threatening the ecological system and human health.
After decades of development of the vanadium titanomagnetite (VTM) ore in the Panzhihua district changes have taken place to the ore characteristics.
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 …