Separations | Free Full-Text | Mineralogical Characteristics of …

Spinel and titanium magnetite have a solid solution structure, wherein spinel fills the crystal gaps between titanium magnetite through fine veins [24,25], as shown in Figure 6a and Figure 7a. This solid solution structure is nearly impossible to fully liberate, leading to a decreased theoretical iron grade in titanomagnetite and a …

A Comparative Study of Extracting Vanadium from …

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 ...

Enhancing Reduction Separation and Efficient Recovery …

IN recent years, a new type of vanadium–titanium magnetite with huge reserves has been explored in western Liaoning, China, and its prospective reserves were initially found to exceed 20 billion tons.[1–3] Compared with the vanadium–titanium magnetite in China's Panzhihua and Chengde and Russia, New

Improving resource utilization efficiency in China's …

Current development status of vanadium–titanium magnetite. Vanadium–titanium magnetite is the most important and unique mineral resource in Chengde, and even in China. The full iron grade of V–Ti–Fe is 10–20%, magnetic iron grade is 5–6%, vanadium grade is 0.02–3%, titanium grade is 1–6%, and phosphorus …

Mineralogical reconstruction of Titanium-Vanadium hematite …

Presently, there are many research studies on vanadium-titanium magnetite in China, most of which first adopt a single process of low-intensity magnetic separation to separate strong magnetic iron minerals such as titanium magnetite and ferrous magnetite (which contain the concentrates of vanadium and titanium), followed by gravity …

Promoting low-temperature consolidation of vanadium titano-magnetite …

1. Introduction. Vanadium titano-magnetite (VTM) is a typical multi-metal composite ore resource rich in iron, titanium, and vanadium. It is widely distributed in China, Russia, Indonesia, New Zealand, and other regions [1].The vanadium contained in VTM has extensive applications in aerospace and mechanical manufacturing, while …

Overall utilization of vanadium–titanium magnetite tailings …

1. Introduction. In recent years, the recycling of waste resources and environmental management in industrial companies have attracted people's attention (Ciarapica et al., 2019).In the Panzhihua area of southwestern China, a large number of vanadium–titanium magnetite tailings (VTMT) are generated in the selection process …

Multiple heavy metal distribution and microbial community

DOI: 10.1016/j.jhazmat.2021.128032 Corpus ID: 245064370; Multiple heavy metal distribution and microbial community characteristics of vanadium-titanium magnetite tailing profiles under different management modes.

Preparation of titanium mineral from vanadium …

Transactions of Nonferrous Metals Society of China. Volume 32, Issue 9, September 2022, Pages 3099-3109. Preparation of titanium mineral from vanadium …

Overview of Global Vanadium-titanium Magnetite Resources …

As far as China is concerned, the utilization technology of iron, titanium and vanadium in vanadium titanium magnetite is relatively mature at present, but the comprehensive …

A New Process of Extracting Titanium from …

A new process of extracting titanium from vanadium–titanium magnetite (VTM) in the Panxi area in Sichuan, China is introduced in this work. Various …

Softening-melting Properties of High-chromium Vanadium–titanium …

High-chromium vanadium-titanium magnetite (HVTM) is a critical polymetallic ore resource, and its large-scale utilization is considered feasible by smelting flux pellets in blast furnaces. This study investigated the softening-melting properties of pure HVTM pellets ( HVTM pellets) and HVTM with 30% conventional iron pellets (70% HVTM ...

Analysing the HIsmelt process for smelting …

In 2019, China conducted smelting experiments on vanadium–titanium magnetite (VTM) using this technology. VTM is an important strategic resource with a …

Analysing the HIsmelt process for smelting …

In response to the problem of rich vanadium–titanium magnetite (VTM) resources in China contrasting with low blast furnace utilization, a HIsmelt process for …

Present Status and Development of Comprehensive …

There is an abundance of vanadium-titanium magnetite in Panzhihua, China, which contains more than 8.73 × 10 8 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 resource …

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

Therefore, the question of how to improve comprehensive utilization of vanadium-titanium magnetite concentrate (VTMC) is of decisive importance for the …

Overview of Global Vanadium-titanium Magnetite …

This is an essay in the field of mineral engineering. This paper summarizes the distribution of vanadium titanium magnetite in the world and its comprehensive utilization progress. vanadium titanium magnetite is a composite ore of iron, titanium and vanadium, which is also associated with chromium, gallium, scandium, cobalt, nickel, copper, platinum group …

A novel method of enhancing valuable element recovery for …

Compared with China's Panzhihua (Wang et al., 2020) and Chengde (Yang et al., 2019), and foreign vanadium-titanium magnetite from Russia (Cheng et al., 2016), South Africa (Wang, 2022), New Zealand (Xing et al., 2022) and other places, this kind of iron ore has the characteristics of ultra-high titanium contents, high vanadium and low …

Panzhihua, the Vanadium and Titanium Capital of China: …

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 producer, China's largest titanium raw ...

A novel method of enhancing valuable element recovery for …

1. Introduction. The ultra-high-titanium magnetite in the west of Liaoning (Gao et al., 2020), rich in valuable elements such as Fe, V, Ti, Cr, Sc, Ga, etc (Cheng et al., 2017a), has high comprehensive utilization value (Gao et al., 2018)pared with China's Panzhihua (Wang et al., 2020) and Chengde (Yang et al., 2019), and foreign vanadium …

Characterization and Pre-Concentration of Low-Grade …

Minerals 2017, 7, 137 2 of 11 and titanium content, compared with the vanadium-titanium magnetite concentrates from the Pan-xi and Cheng-de area [6–8]. However, because the grade of the valuable ...

Gas-based reduction of vanadium titano-magnetite …

International Journal of Minerals, Metallurgy and Materials - The reduction of vanadium titano-magnetite pellets by H2–CO at temperatures from 850 to 1050°C was investigated in this...

Present Status and Development of Comprehensive …

In China, titanium is found in multi-metal symbiotic ore deposits that present sorting difficulties, low recovery rates, high production costs, and low overall resource …

Effect of Preformed Calcium Ferrite Addition on Sintering

Vanadium titanium magnetite ore (VTM) is an important complex mineral resource with a high comprehensive utilization value. Its proven reserves in the Panxi district, China, are 9660 million tons and account for more than 90% of …

Panzhihua Titanium-Magnetite Operation Near Panzhihua, China …

The Panzhihua Titanium-Magnetite Operation is located in the vicinity of Panzhihua, China. It is categorized as a surface mining operation, with its production commencing in 1977. The mining activities primarily involve operations on the Earth's surface, with a single shaft being utilized. The strip-level mining method is employed to extract ...

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

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.

Process Mineralogy of Vanadium Titanomagnetite Ore in …

Process Mineralogy of Vanadium Titanomagnetite Ore in Panzhihua, China. by. Fuxing Zhu. 1,2, Zhanshan Ma. 1,*, Guanjin Gao. 1, Kehui Qiu. 2,* and. …

Influence of composition and temperature on

Currently, the blast furnace process is the primary vanadiumâˆ'titanium magnetite melting process in China [2âˆ'4]. In the process of BF smelting vanadiumâˆ'titanium magnetite, the TiO2 content of the slag is typically between 22% and 25%, and it is difficult to recycle due to titanium element dispersion in the fine mineral …

Tailings Resource Characteristics and Multipurpose …

This is an essay in the field of mining engineering. Panzhihua is the largest vanadium-titanium magnetite resource base in China. With the development and utilization of vanadium titanium resources, a large number of tailings have been produced, which not only occupies a lot of lands but also useful ingredients are not fully utilized, resulting in …

Fusion Separation of Vanadium-Titanium Magnetite and …

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 …

Preparation of titanium mineral from vanadium …

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 …

Efficient Extraction of Vanadium from Vanadium–Titanium Magnetite

China's vanadium–titanium magnetite reserves are huge—up to 9.83 billion tons that reach mineable. grade—and are therefore of high utilization value [2, 3].

Multiple heavy metal distribution and microbial community

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 …

A novel chitosan-vanadium-titanium-magnetite composite …

In this research, a novel chitosan (CS)-vanadium-titanium-magnetite (VTM) composite was designed and synthesized. The interaction between CS-VTM and Congo red (CR) dye conformed to a pseudo-second-order model to support the potent involvement of chemisorption. The effects of adsorbent dosage, reacti …

Enrichment and reconfiguration of titanium-bearing phase in …

1 Introduction. The reserves of vanadium–titanium magnetite exceed 18 billion tons [ 1 ], accounting for over 90 wt.% of China's titanium resource reserves [ 2, 3 …

Efficient Extraction of Vanadium from …

vanadium–titanium magnetite is another major raw material from which to extract vanadium. China's vanadium–titanium magnetite reserves are huge—up to 9.83 billion tons that reach mineable grade—and are therefore of high utilization value [2,3]. Generally, the indirect vanadium extraction process takes place after iron-making; vanadium

Kinetics and mechanism of coal-based direct reduction of

High-chromium vanadium–titanium magnetite (HCVTM) is a valuable resource containing metal elements such as iron, vanadium, titanium, and chromium. To recycle these elements, direct reduction is an efficient way. The mechanism and reaction kinetic parameters for the direct reduction of HCVTM were studied. Experimental results …