-
- دوشنبه تا شنبه: 10:00 - 16:00 / یکشنبه تعطیل است
The process of recovering titanium from magnetic separation tailings must first ensure that high-quality titanium concentrate is obtained. Various processes such as gravity separation, flotation, ... In addition to …
به خواندن ادامه دهید
Titanium and vanadium alloys and compounds have numerous industrial applications. Titanium dioxide is used in paints, plastics, rubber, paper, inks, textiles and a number of other
به خواندن ادامه دهید
DOI: 10.1016/j.cej.2022.138039 Corpus ID: 250629443; Separation of vanadium and chromium by selective adsorption by titanium-based microspheres @article{Sun2022SeparationOV, title={Separation of vanadium and chromium by selective adsorption by titanium-based microspheres}, author={Fujin Sun and Mengxing Liu and Biao Yuan and Jian He and Pan Wu …
به خواندن ادامه دهید
Reduction roasting with sodium sulfate followed by magnetic separation was investigated to utilize vanadium tailings with total iron grade of 54.90 wt% and TiO2 content of 17.40 wt%. The results show that after reduction roasting–magnetic separation with sodium sulfate dosage of 2 wt% at roasting temperature of 1150 °C for roasting time of 120 min, …
به خواندن ادامه دهید
In this study, the direct reduction of iron obtained from the carbothermal reduction of vanadium–titanium magnetite was used as the raw material for smelting separation, and the effect of ...
به خواندن ادامه دهید
Recently, a new process involving carbothermic sodium-treatment reduction, smelting separation, and acid-leaching was proposed, which can efficiently enrich and separate vanadium and titanium [12]. The key to this process is the transformation of insoluble titanium oxides into sodium titanates, which can be dissolved in an acidic solution.
به خواندن ادامه دهید
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 oxidation of vanadium oxides …
به خواندن ادامه دهید
process in this study for extraction and separation of vanadium, iron, and titanium using a mixture extractant of P204 and P507 was proposed. The inuences of the P204-P507 concentra-tion, P204 and P507 ratio, initial pH, phase ratio (O/A), and contact time on the extractions of vanadium, iron, and titanium were investigated.
به خواندن ادامه دهید
At present, vanadium–titanium magnetite is mainly utilized to produce hot metal and slag through the blast furnace (BF) process. However, the recovery of Fe, V and Ti are 70, 50% and less than 10% of raw ore respectively [].There are approximately 600,000 tons of titanium slag containing 22–25% TiO 2 produced by blast furnace process [9, 10]. ...
به خواندن ادامه دهید
Request PDF | Efficient Separation and Recovery of Vanadium, Titanium, Iron, Magnesium, and Synthesizing Anhydrite from Steel Slag | The dumping of a large amount of steel slag not only wastes ...
به خواندن ادامه دهید
The blast furnace smelting of vanadium–titanium ore plays a crucial role in the efficient utilization of vanadium-titanium resources. In this research, a detailed numerical …
به خواندن ادامه دهید
The elucidation of the importance of vanadium and chromium, coupled with a detailed analysis of high-chromium vanadium slag and current separation techniques, contributes to the utilization of vanadium–titanium-bearing magnetite resources with a high content of chromium and also evolves the knowledge in this critical area.
به خواندن ادامه دهید
After decades of development of the vanadium titanomagnetite (VTM) ore in the Panzhihua district changes have taken place to the ore characteristics. In addition, preliminary research carried out in this area mainly focused on the separation and extraction of iron resources and lacked a systematic research focus on the process mineralogy of ilmenite, …
به خواندن ادامه دهید
The separation of titanium, vanadium and chromium in vanadium slag (VS) is a difficult problem restricting the comprehensive utilization of VS. This paper presents the first study on the separation of titanium, vanadium and chromium from oxalic acid leachate of VS. Firstly, the separation of titanium from the leachate by hydrothermal method was studied. The …
به خواندن ادامه دهید
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 ...
به خواندن ادامه دهید
Vanadium-bearing titanomagnetite ore is an important mineral resource containing vanadium, titanium, and iron . It is widely distributed around the world mainly including China, Russia, America, and North Africa [].Especially in the Panxi region of China, the proven deposits account for more than 90% of total reserves in China [2, 3].At present, the blast furnace (BF) …
به خواندن ادامه دهید
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 …
به خواندن ادامه دهید
In contrast, VTM is a multi-metallic iron-based ore containing iron, titanium, and vanadium as the main constituents [24, 25].Since VTM has a high iron and titanium content, many recovery studies have been conducted from the viewpoint of developing processes for …
به خواندن ادامه دهید
Separation of vanadium, titanium, molybdenum and tungsten. 1 Elution of V with 10-lAf HF through a 125-mm column. 2 -Elation of Ti and Mo with 27-5M HF through coupled 125-mm and 180-mm columns. 3 Elution of W with 7M HC1-3M HF through lower 180-mm column. hydrochloric-3Af hydrofluoric acid. The Nb was eluted from the upper section with 3M ...
به خواندن ادامه دهید
These peaks are attributed to the decomposition of titanium-containing compounds and the oxidation of titanium. At temperatures exceeding 1000 °C, most Ti ions in the samples combine with Fe ions to form ... separation, and purification of certain difficulties. The current separation of vanadium and chromium aqueous solution is more costly ...
به خواندن ادامه دهید
In order to realize the comprehensive and efficient recovery of vanadium–titanium magnetite, a mass action concentration calculation model for direct melting reduction was established, and the mechanisms and limiting factors for the separation and enrichment between Fe, V, and Ti were also studied through molten vortex direct reduction experiments. The mass …
به خواندن ادامه دهید
As a result, effective separation of titanium minerals and iron minerals was achieved, while the separation of vanadium and titanium was also realized. 2. Materials and methods2.1. Raw material. The raw material is a mixed of ilmenite and hematite obtained via high-intensity magnetic separation of a certain titanium-vanadium hematite in Australia.
به خواندن ادامه دهید
The selective stripping of vanadium and tungsten was achieved using 2.5 M NaOH and 1 M Na 2 SO 4 + 1 M NaOH, respectively, resulting in stripping ratios of 99.59 % for vanadium and 99.15 % for tungsten. An extremely high separation factor of vanadium and tungsten (β V/W, 2388) can be achieved. Subsequently, the organic phase was preserved for ...
به خواندن ادامه دهید
The results shows that: the use of magnetic separation process can successfully separate metallized pellets, and obtain vanadium titanium micro-alloy iron powder and ti-enriched slag; suitable ...
به خواندن ادامه دهید
Efficient utilization of vanadium–titanium magnetite can be achieved by high-temperature pyrometallurgical smelting separation of the material. The fusibility of …
به خواندن ادامه دهید
Focusing on titanium alloys with high usage, such as TC4 (Ti-6Al-4V), this article proposes a titanium separation and recovery method based on molten salt electrolysis. This method …
به خواندن ادامه دهید
DOI: 10.1016/j.seppur.2020.117169 Corpus ID: 219743539; Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction process
به خواندن ادامه دهید
Vanadium slag is a strategic vanadium extracting source, which is produced from the hot-metal treatment prior to the basic oxygen steelmaking (BOS) or during the converter steelmaking process by using …
به خواندن ادامه دهید
Coal-based reduction and magnetic separation behavior of low-grade vanadium-titanium magnetite pellets were studied in this paper. It is found that the metallization degree increased obviously with an increase in the …
به خواندن ادامه دهید
Hence, the substantial hindrance to the development of the vanadium industry has been the separation of vanadium and chromium at deeper levels. Vanadium-titanium magnetite, as a polymetallic co-associated ore, harbors abundant vanadium and chromium resources [12], [13]. The extraction of vanadium-containing slag from vanadium-titanium magnetite ...
به خواندن ادامه دهید