Technology for Extracting Manganese from Vanadium Converter Slag After Leaching Vanadium

Krasheninin, A. G.; Khalezov, B. D.; Bornovolokov, A. S.; Ординарцев, Д. П.

doi:10.1007/s11015-019-00854-3

Cited by 4 publications

(1 citation statement)

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“…Krasheninin et al recovered manganese from a residue after leaching vanadium with Na 2 CO 3 from oxidatively roasted manganese-vanadium slag [34]. The manganese was present as MnCO 3 and could be recovered from the leachates by adding (NH 4 ) 2 CO 3 and then calcining to Mn 2 O 3 .…”

Section: Basic Oxygen Furnace (Bof) Slagmentioning

confidence: 99%

Hydrometallurgical Processes for the Recovery of Metals from Steel Industry By-Products: A Critical Review

Binnemans

Jones

Fernández

et al. 2020

J. Sustain. Metall.

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The state of the art for the recovery of metals from steel industry by-products using hydrometallurgical processes is reviewed. The steel by-products are different slags, dusts, and sludges from a blast furnace (BF), basic oxygen furnace (BOF), electric arc furnace (EAF), and sinter plant, as well as oily mill scale and pickling sludge. The review highlights that dusts and sludges are harder to valorize than slags, while the internal recycling of dusts and sludges in steelmaking is inhibited by their high zinc content. Although the objectives of treating BF sludges, BOF sludges, and EAF dust are similar, i.e., the removal of zinc and the generation of an Fe-rich residue to be returned to the steel plant, these three classes of by-products have specific mineralogical compositions and zinc contents. Because wide variations in the mineralogical composition and zinc content occur, it is impossible to develop a one-size-fits-all flow sheet with a fixed set of process conditions. The reason for the interest in EAF dust is its high zinc content, by far the highest of all steel by-products. However, EAF dust is usually studied from the perspective of the zinc industry. There are not only different concentrations of zinc, but also variations in the all-important ZnO/ZnFe2O4 (zincite-to-franklinite) ratio. In many chemical processes, only the ZnO dissolves, while the ZnFe2O4 is too refractory and reports to the residue. It only dissolves in concentrated acids, or if the dust is pre-treated, e.g., with a reductive roasting step. The dissolution of ZnFe2O4 in acidic solutions also brings significant amounts of iron in solution. Finally, due to its high potassium chloride content, sinter-plant dust could be a source of potassium for the fertilizer industry. Graphical Abstract

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Section: Basic Oxygen Furnace (Bof) Slagmentioning

confidence: 99%

Hydrometallurgical Processes for the Recovery of Metals from Steel Industry By-Products: A Critical Review

Binnemans

Jones

Fernández

et al. 2020

J. Sustain. Metall.

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Carbon Dioxide as a Sustainable Reagent in Circular Hydrometallurgy

Rivera,

Binnemans

2024

ChemSusChem

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This review highlights the use of CO2 as a reagent in hydrometallurgy, with emphasis on the new concept of circular hydrometallurgy. It is shown how waste CO2 can be utilised in hydrometallurgical operations for pH control or regeneration of acids for leaching. Metal‐rich raffinate solutions generated after removal of the valuable metals can serve as feedstocks for mineral carbonation, providing alternative avenues for CO2 sequestration. Furthermore, CO2 can also be used as a renewable feedstock for the production of chemical reagents that can find applications in hydrometallurgy as lixiviant, as precipitation reagent or for pH control. Mineral carbonation can be combined with chemical reactions involving metal complexation reagents, as well as with solvent extraction processes for the concurrent precipitation of metal carbonates and acid regeneration. An outlook for future research in the area is also presented.

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Mechanism of high content Mn & Ni synchronous stable solidification in Fe-spinel glass-ceramics from battery slag

Guo,

Cao,

Wang

et al. 2024

Journal of Cleaner Production

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Technology for Extracting Manganese from Vanadium Converter Slag After Leaching Vanadium

Cited by 4 publications

References 1 publication

Hydrometallurgical Processes for the Recovery of Metals from Steel Industry By-Products: A Critical Review

Hydrometallurgical Processes for the Recovery of Metals from Steel Industry By-Products: A Critical Review

Carbon Dioxide as a Sustainable Reagent in Circular Hydrometallurgy

Mechanism of high content Mn & Ni synchronous stable solidification in Fe-spinel glass-ceramics from battery slag

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