Magnesiation roasting-acid leaching: A zero-discharge method for vanadium extraction from vanadium slag

Li, Hong‐Yi; Wang, Chengjie; Yuan, Yi-Heng; Guo, Yun; Diao, Jiang; Xie, Bing

doi:10.1016/j.jclepro.2020.121091

Cited by 66 publications

(22 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…MgO was used as a roasting additive; after being converted into Mg(OH) 2 , it can return to MgO upon calcination, so that it can be recycled. [33] Wen et al reported a novel roasting method with manganese carbonate (MnCO 3 ) as additive, achieving a high vanadium extraction rate of 89.4 %. [34] Although the slag roasting process improves the efficiency of subsequent steps, it consumes a large amount of energy due to the high operating temperature (usually over 700 °C).…”

Section: Roastingmentioning

confidence: 99%

Will Vanadium‐Based Electrode Materials Become the Future Choice for Metal‐Ion Batteries?

et al. 2022

View full text Add to dashboard Cite

Metal-ion batteries have emerged as promising candidates for energy storage system due to their unlimited resources and competitive price/performance ratio. Vanadium-based compounds have diverse oxidation states rendering various openframeworks for ions storage. To date, some vanadium-based polyanionic compounds have shown great potential as highperformance electrode materials. However, there has been a growing concern regarding the cost and environmental risk of vanadium. In this Review, all links in the industry chain of vanadium-based electrodes were comprehensively summarized, starting with an analysis of the resources, applications, and price fluctuation of vanadium. The manufacturing processes of the vanadium extraction and recovery technologies were discussed. Moreover, the commercial potentials of some typical electrode materials were critically appraised. Finally, the environmental impact and sustainability of the industry chain were evaluated. This critical Review will provide a clear vision of the prospects and challenges of developing vanadium-based electrode materials.

show abstract

Section: Roastingmentioning

confidence: 99%

Will Vanadium‐Based Electrode Materials Become the Future Choice for Metal‐Ion Batteries?

et al. 2022

View full text Add to dashboard Cite

show abstract

“…This process provides the prerequisites for the enhancement of vanadium extraction. However, two factors adversely affected the leaching process; on one hand, silicate compounds such as Fe 2 SiO 4 and MgSiO 3 dissolved in highly acidic solution, and they were converted into colloidal H 2 SiO 3 , 34 which can absorb positive cations of vanadium such as VO 2+ or VO 2 + . 32 On the other hand, Ca 2+ reacted with SO 4 2– to produce a poorly soluble compound CaSO 4 (shown in Figure 5 ).…”

Section: Chemical Reaction and Pathway For The Rapid Vanadium Extractionmentioning

confidence: 99%

“…On the other hand, Ca 2+ reacted with SO 4 2– to produce a poorly soluble compound CaSO 4 (shown in Figure ). Both H 2 SiO 3 and CaSO 4 wrap around the particle or the vanadic compounds, , resulting in adverse effects on the dissolution and diffusion of vanadium ions.…”

Section: Chemical Reaction and Pathway For The Rapid Vanadium Extractionmentioning

confidence: 99%

Rapid Vanadium Extraction from Roasted Vanadium Steel Slag via a H₂SO₄–H₂O₂ System: Process and Mechanism

Liu

Zhang

et al. 2022

ACS Omega

View full text Add to dashboard Cite

A H 2 SO 4 –H 2 O 2 system was developed to enhance the efficacy of vanadium extraction from roasted vanadium steel slag. The optimum parameters and the behavior of vanadium extraction were investigated systematically. When 1 mL of H 2 O 2 per gram of vanadium slag was added to a leaching mixture at 50 °C, along with 30% H 2 SO 4 , 80.5% of vanadium extraction was achieved within 15 min. However, without H 2 O 2 , only 58.5% of vanadium extraction was achieved at the same leaching time. The H 2 SO 4 –H 2 O 2 system facilitated the dissolution of metallic ions in a short time and then triggered the production of strong oxidizing substances, such as HO • and O 2 –• , via the Fenton reaction and Fenton-like reaction. Subsequently, the low-valence vanadium, existing in the leaching solution or located on the surface of the particle, was converted to pentavalent vanadium by strongly oxidizing substances, such as H 2 O 2 and its derivatives HO • and O 2 . The complex oxides on the surface of the particle were destroyed, after which the vanadium inside the particle was gradually exposed to the acid leaching solution. The vanadium was oxidized to pentavalent vanadium, which then entered the leaching solution. Finally, a pathway of vanadium extraction via the H 2 SO 4 –H 2 O 2 system was proposed to gain insight into rapid vanadium leaching.

show abstract

“…[2] In view of the existing state, researchers have proposed processes including roasting, leaching, precipitation, and calcination to recover V from the V-slag. [3,4] Industrialized roasting processes can be refined into sodium roasting [5] and calcification roasting, [6] according to the additives. Calcification roasting is getting more and more attention due to its cleaner process compared with sodium roasting.…”

Section: Introductionmentioning

confidence: 99%

“…However, they still face the problem of a relatively low recovery rate (approximately 75%). Researchers continue to explore the solution of this problem in the laboratory; their main ideas are to add new additives to calcium salt or replace calcium salt, that is, the so‐called calcium‐magnesium, [ 8 ] magnesiation, [ 3 ] and manganese [ 9 ] roasting. These ideas are of far‐reaching significance, but, if they are applied to actual production, it is believed that there will be the same problem as that existing in calcification roasting.…”

Section: Introductionmentioning

confidence: 99%

A Novel Method of Recovery Vanadium from Vanadium Slag through CaO₂‐Briquetting Roasting Process

Yue

Cheng

Liu

et al. 2022

steel research int.

View full text Add to dashboard Cite

This study proposes a clean and effective routine and aims to solve the problems of material accumulation and hypoxia during roasting vanadium slag. The vanadium slag and CaO2 powders are mixed, briquetted, and roasted at different parameters. The generated phases are Fe2O3, Fe–Mg oxides, Fe–Ti oxides, Ca3(VO4)2, silicate, and SiO2 after roasting. The solid reaction between V2O5 and CaO is described using the vacancy diffusion mechanism. Ca2+ (or V5+) jumps and diffuses through the Ca2+ (or V5+) vacancies in the Ca3(VO4)2 layer and subsequently to the Ca3(VO4)2/V2O5 (or Ca3(VO4)2/CaO) interface and reacts with V2O5 (or CaO) and O2 (decomposed from CaO2 or transported from the air) to generate Ca3(VO4)2. The vanadium leaching rate is very sensitive to the roasting parameters of CaO/V2O5 molar ratio, temperature, time, and briquetting pressure. A maximum vanadium leaching rate of 98.31% is achieved with a CaO/V2O5 molar ratio of 3/1, with temperature, time, and briquetting pressure being maintained at 900 °C, 50 min, and 10 MPa, respectively. The present routine, which greatly shortens the roasting time, can be realized through a rotary hearth furnace, and is likely to be accepted by both iron works and the environment due to its effective and clean characteristics.

show abstract

Magnesiation roasting-acid leaching: A zero-discharge method for vanadium extraction from vanadium slag

Cited by 66 publications

References 31 publications

Will Vanadium‐Based Electrode Materials Become the Future Choice for Metal‐Ion Batteries?

Will Vanadium‐Based Electrode Materials Become the Future Choice for Metal‐Ion Batteries?

Rapid Vanadium Extraction from Roasted Vanadium Steel Slag via a H₂SO₄–H₂O₂ System: Process and Mechanism

A Novel Method of Recovery Vanadium from Vanadium Slag through CaO₂‐Briquetting Roasting Process

Contact Info

Product

Resources

About

Magnesiation roasting-acid leaching: A zero-discharge method for vanadium extraction from vanadium slag

Cited by 66 publications

References 31 publications

Will Vanadium‐Based Electrode Materials Become the Future Choice for Metal‐Ion Batteries?

Will Vanadium‐Based Electrode Materials Become the Future Choice for Metal‐Ion Batteries?

Rapid Vanadium Extraction from Roasted Vanadium Steel Slag via a H2SO4–H2O2 System: Process and Mechanism

A Novel Method of Recovery Vanadium from Vanadium Slag through CaO2‐Briquetting Roasting Process

Contact Info

Product

Resources

About

Rapid Vanadium Extraction from Roasted Vanadium Steel Slag via a H₂SO₄–H₂O₂ System: Process and Mechanism

A Novel Method of Recovery Vanadium from Vanadium Slag through CaO₂‐Briquetting Roasting Process