Titanium/ Vanadium leaching and recovery - The Simulus
Unlike other titanium/vanadium projects, the Medcalf project is extremely weathered and requires hydro-metallurgical recovery instead of mineral sands style processing. The Simulus Group are helping Audalia Resources rapidly develop an innovative hydro-metallurgical flowsheet to produce separate value-added titaniumBasic research on the leaching behavior of vanadium,2021. 2. 1.· The valuable metals such as vanadium are leached from vanadium bearing steel slag by titanium dioxide waste. The vanadium content of leaching residue is as low as 0.06%, and its main components are calcium sulfate and silicon dioxide, which can be used as additive in cement industry.Selective leaching of vanadium from V-Ti magnetite,2021. 4. 17.· 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%.Leaching of vanadium, sodium, and silicon from molten V,2016. 8. 5.· The water leaching process of vanadium, sodium, and silicon from molten vanadium-titanium-bearing (V-Ti-bearing) slag obtained from low-grade vanadium-bearing titanomagnetite was investigated systematically.Efficient separation of vanadium, titanium, and iron from,2021. 1. 15.· The extraction rates of vanadium, titanium, and iron under the different mass ratios of ammonium chloride to slag (a), different time (b) (leaching:Simultaneous extraction of vanadium and titanium from,2018. 4. 25.· The extraction of vanadium and titanium were 91% and 77%, respectively, after roasting at an AS-to-vanadium slag mass ratio of 4:1 and 370 °C followed by leaching in a 6% H 2 SO 4 solution.
A method for recovery of iron, titanium, and vanadium
2018. 2. 3.· After a water leaching process, 85.61% of the vanadium from the roasting slag was leached, confirming the sodium oxidation of most of the vanadium oxides to water-soluble sodium vanadate during the roasting process. The total recoveries of iron, vanadium, and titanium were 93.67%, 72.68%, and 99.72%, respectively.A literature review on leaching and recovery of vanadium,2019. 10. 1.· Leaching out of vanadium. The converter vanadium slag was produced by the titan-magnetite smelting process [ 15 ], which amounts of lots of vanadium, iron, manganese, aluminum and silicon. The researchers found that the main phases in the converter vanadium slag were spinel phase, silicate phase and inclusion phase.Kinetics of Hydrochloric Acid Leaching of Titanium from,2016. 1. 13.· Apparently, hydrochloric acid leaching may effectively extract the titanium resource and other useful elements from TEFS and thereby promote the process of direct reduction-electric furnace smelting by utilizing the titanium resource in the vanadium titanomagnetite concentrate.Leaching of Titanium and Silicon from Low-Grade Titanium,2018. 5. 18.· To efficiently extract the vanadium and chromium, pressure acid leaching was employed (see Fig. S2), and the leaching of the vanadium and chromium were 90.9% and 92.3%, respectively, while the leaching of titanium and silicon was relatively stable (< 2%) under the conditions of initial acid concentration of 281 g/L, acid-to-slag mass ratio 4.5:1, leaching temperature 140°C, and leaching time 4 h. Most of the vanadium, chromium and impurities of Fe, Al, Ca, Mg were leachedSolvent extraction of Vanadium and Titanium from,Solvent extraction of Vanadium and Titanium from Sulfate leaching solutions by Cyanex272, PC88A and Alamine336 황산(黃酸) 침출용액(浸出溶液)에서 Cyanex272, PC88A 및 Alamine336을 이용한 바나듐(V) 및 티타늄(Ti)의 용매추출(溶媒抽出)A method for recovery of iron, titanium, and vanadium,2018. 2. 3.· After a water leaching process, 85.61% of the vanadium from the roasting slag was leached, confirming the sodium oxidation of most of the vanadium oxides to water-soluble sodium vanadate during the roasting process. The total recoveries of iron, vanadium, and titanium were 93.67%, 72.68%, and 99.72%, respectively.
Minerals | Free Full-Text | Efficient Extraction of Vanadium
In this paper, potassium salt roasting additives were applied to extract vanadium from vanadium–titanium magnetite concentrate. Meanwhile, the mechanisms of potassium salt roasting and acid leaching kinetics were investigated. The results indicate thatLeaching of Titanium and Silicon from Low-Grade,2018. 5. 18.· Acid-leaching behaviors of the titanium slag obtained by selective reduction of vanadium-bearing titanomagnetite concentrates were investigated. It was found that the optimal leaching of titanium and silicon were 0.7% and 1.5%, respectively. The titanium and silicon in the titanium slag were firstly dissolved in the acidic solution to form TiO2+ and silica sol, and then rapidly reprecipitated,Optimization of Soda ash Roasting-water Leaching,To recover vanadium from vanadium-bearing titaniferous magnetite (VTM) ore, the conditions of the soda ash (Na 2 CO 3) the roasting and water leaching were investigated.The VTM ore contained magnetite and ilmenite as the major minerals, from which a concentrate produced from magnetic separation was used as feed material.WO1996012047A1 - Titanium and vanadium recovery,vanadium titanium roasting mixture Prior art date 1994-10-17 Application number PCT/GB1995/002454 Other languages French (fr) Inventor Peter Tyson James Hamilton Original Assignee Magmint Limited Civelli, Carlo, Giuseppe Priority date (The priority date is an assumption and is not a legal conclusion.CN105112689A - Method for extracting titanium from,The invention discloses a method for extracting titanium from vanadium-titanium magnetite. The method comprises the following steps: adding sodium or potassium salt additive in the reduction smelting of an iron ore concentrate electric stove to obtain liquid iron and titanium-containing slag, wherein vanadium and iron are reduced to enter liquid iron, under a smelting high temperature,Vanadium : leaching and solvent extraction - UBC,The fundamental understanding of vanadium hydrometallurgy was developed in three phases: vanadium (V) leaching, vanadium (III) oxidative leaching, and solvent extraction of vanadium (V&IV). In the first section, V₂O₅ leaching was studied in three steps. First, vanadium leaching and solubility of VO₂⁺ at different pH’s and temperatures were investigated in sulfuric acid. Secondly, the,
Minerals | Free Full-Text | Vanadium Bioleaching
This study investigated bioleaching behavior of vanadium from a vanadium-bearing shale using Acidithiobacillus ferrooxidans (A. ferrooxidans). Results showed a maximum recovery of 62% vanadium in 1.2-day bioleaching, which was 22.45% higher than the controls. Then, the vanadium leaching efficiency decreased significantly, only 24% of that was obtained on the tenth day.Selective recovery of vanadium and scandium by ion,D201 resin and P507 extractant diluted with sulfonated kerosene were used to respectively separate vanadium and scandium, and impurity ions from hydrochloric acid leaching solution of red mud. More than 99% of vanadium was selectively adsorbed from the hydrochloric acid leaching solution under the conditions of pH value of 1.8, volume ratio of leaching solution to resin of 10, and flow rate of,Solvent extraction of Vanadium and Titanium from,Solvent extraction of Vanadium and Titanium from Sulfate leaching solutions by Cyanex272, PC88A and Alamine336 황산(黃酸) 침출용액(浸出溶液)에서 Cyanex272, PC88A 및 Alamine336을 이용한 바나듐(V) 및 티타늄(Ti)의 용매추출(溶媒抽出)NEW PROCESS OF EXTRACTING VANADIUM FROM,2013. 4. 9.· vanadium-titanium magnetite, oil ash, waste vanadium catalyst, bauxite and stone coal. In addition, 75% to 85% vanadium production was extracted from vanadium-titanium magnetite1,2. A well-known roast-leach process is employed in the production of V 2 O 5 and NH 4 VO 3 from vanadium-titanium magnetite. Vanadium-titanium magnetite ore isPressure leaching of converter vanadium slag with,2014. 3. 18.· The process of pressure leaching the converter vanadium slag with waste titanium dioxide without roasting was studied. Mineralogy analysis indicates that the converter vanadium slag contains mainly three mineral phases: magnetite, titanium magnetite, and silicate phase. Vanadium is in combination with iron, titanium, manganese, aluminum, and silicon.Leaching of Titanium and Silicon from Low-Grade,2018. 5. 18.· Acid-leaching behaviors of the titanium slag obtained by selective reduction of vanadium-bearing titanomagnetite concentrates were investigated. It was found that the optimal leaching of titanium and silicon were 0.7% and 1.5%, respectively. The titanium and silicon in the titanium slag were firstly dissolved in the acidic solution to form TiO2+ and silica sol, and then rapidly reprecipitated,
An extraction process to recover vanadium from low
An extraction process to recover vanadium from low-grade vanadium-bearing titanomagnetite was developed. In this study, a mixed solvent system of di(2-ethylhexyl) phosphate (D2EHPA) and tri-n-butyl phosphate (TBP) diluted with kerosene was used for the selective extraction of vanadium from a hydrochloric acid leaching solution that contained low vanadium concentration with highA method for recovery of iron, titanium, and vanadium,After a water leaching process, 85.61% of the vanadium from the roasting slag was leached, confirming the sodium oxidation of most of the vanadium oxides to water-soluble sodium vanadate during the roasting process. The total recoveries of iron, vanadium, and titanium were 93.67%, 72.68%, and 99.72%, respectively.WO1996012047A1 - Titanium and vanadium recovery,vanadium titanium roasting mixture Prior art date 1994-10-17 Application number PCT/GB1995/002454 Other languages French (fr) Inventor Peter Tyson James Hamilton Original Assignee Magmint Limited Civelli, Carlo, Giuseppe Priority date (The priority date is an assumption and is not a legal conclusion.CN105112689A - Method for extracting titanium from,The invention discloses a method for extracting titanium from vanadium-titanium magnetite. The method comprises the following steps: adding sodium or potassium salt additive in the reduction smelting of an iron ore concentrate electric stove to obtain liquid iron and titanium-containing slag, wherein vanadium and iron are reduced to enter liquid iron, under a smelting high temperature,Vanadium recovery from oil fly ash by leaching, precipitation and solvent extraction,,2020. 1. 3.· Vanadium recovery from oil fly ash by leaching, precipitation and solvent extraction processes R. Navarro a, J. Guzman a,1, I. Saucedo a, J. Revilla b, E. Guibal c,* a Universidad de Guanajuato, Instituto de Investigaciones Cientı´ficas, Cerro de la Venada s/n, Pueblito de Rocha, C.P. 36040 Guanajuato, Gto, Mexico b Centro de Investigacio ´n y Desarrollo, Av. de los Sauces 87, Mz. 6,Minerals | Free Full-Text | Vanadium Bioleaching,This study investigated bioleaching behavior of vanadium from a vanadium-bearing shale using Acidithiobacillus ferrooxidans (A. ferrooxidans). Results showed a maximum recovery of 62% vanadium in 1.2-day bioleaching, which was 22.45% higher than the controls. Then, the vanadium leaching efficiency decreased significantly, only 24% of that was obtained on the tenth day.
