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Concentration and Separation of Scandium …

This research presents an alternative method for scandium (Sc) recovery from impure bauxite residue solutions containing Fe(III), Al, Ca, Nd, and Y through the use of hydroxide and phosphate ...

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Scandium Recovery Methods from Mining, …

Sc recovery is now implemented in industrial production using a combination of hydrometallurgical and pyrometallurgical techniques, such as ore pre-treatment, leaching, SX, precipitation, and...

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Process Evaluation of Scandium Production and …

Wang et al. reviewed scandium recovery through metallurgical pathway from various resources, including scandium ores, residues, tailings and waste liquors, focusing on the selection of processes to recover scandium as …

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Recovery of scandium from bauxite residue—red mud: a …

Scandium as an ore with a concentration greater than 40% has been reported only in Norway [7]. Other countries with main scandium resources are China, Russia, the United …

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Selective Recovery of Scandium from Nickel Laterite Ore by …

Scandium is a rare and expensive metal that is in increasing demand because of its unique properties. Laterite ore is known to contain scandium in appreciable amounts. In this …

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Recovery of Scandium by Crystallization Techniques

Bauxite residues, i.e., red mud, can be processed to recover various valuable end products, while reducing the environmental impact of the waste. Scandium is one of the …

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Recovery of scandium from red mud by leaching with titanium white waste

Scandium is less abundant as independent minerals at the larger scale and generally coexists with other minerals. As such, there has been growing interest in the …

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‪Jihye Kim‬

Recovery of scandium and neodymium from blast furnace slag using acid baking–water leaching. J Kim, G Azimi. ... Selective recovery of scandium from nickel laterite ore by acid …

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Recovery of scandium from various sources: A critical review of the state of the art and future prospects

This paper comprehensively reviews the metallurgical processes to recover scandium from various sources. Residues, tailings and waste liquors in the production of other …

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Process Evaluation of Scandium Production and Its

The environmental impact of scandium recovery and recycling has also been discussed. Concentration of scandium in different mineral ores other than bauxite ores.

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A novel process for recovery of scandium, rare earth and …

Continuing to increase the ratio of hydrochloric acid-roasted ore, scandium and rare earth became more concentrated in hydrochloric acid solution. As the ratio of hydrochloric …

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Recovery of scandium from various sources: A critical …

scandium ore if no other by-products are produced. Accordingly, the reuse of mining tailings is gaining importance. Leading with all those aspects, the United Nations (the U.N.) released ...

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Development of Scandium-Recovery Process from Titanium …

The starting material for scandium recovery is slurry of chlorination residue that is obtained from a repulped chlorination residue with industrial water (this residue was provided …

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(PDF) Extraction of Scandium from Lateritic Nickel-Cobalt Ore …

The recovery of scandium (Sc) from wastes and various resources using solvent extraction (SX) was discussed in detail. Moreover, the metallurgical extractive procedures for …

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Recovery of scandium and aluminum from limonitic laterite …

The influence of various factors on NaOH and H 2 SO 4 leaching and solvent extraction of the recovery scandium were investigated in detail in the present work. Section …

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SCANDIUM RECOVERY FROM URANIUM SOLUTIONS

The commercial recovery of scandium as a by-product of uranium extraction is described. ... found in Colorado ferberite ore, lateritic nickel ore, heavy sandstone from Utah, Wyoming, and …

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Recovery of scandium from laterite ore intermediate …

In this study, for Sc-bearing Al residue (SAR) produced in the HNO 3 treatment process of laterite ore, the route of NaOH leaching to separate Al, HNO 3 leaching to extract …

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Recovery of scandium from various sources: A critical review …

The lack of high-grade scandium (Sc) ores and recovery strategies has stimulated research on the exploitation of non-ore-related secondary sources that have great potential to …

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Selective Recovery of Scandium from Nickel Laterite Ore …

In this study, a two-stage process called "acid roasting–water leaching was developed to extract scandium from laterite ore with minimal. co-extraction of iron. In this process, the ore was …

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Selective Recovery of Scandium from Nickel Laterite …

One potential scandium resource is nickel laterite ore, which can have scandium grades of up to 50–60 mg/ kg [6, 8]. In this work, a nickel laterite ore from New Caledonia was investigated as …

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Concentration and Separation of Scandium from …

The presence of a considerable amount of scandium in lateritic nickel-cobalt ores necessitates the investigation of possible processing alternatives to recover scandium as a byproduct during nickel and cobalt production. Therefore, in …

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Recovery of scandium from various sources: A critical …

Scandium is a critical metal in increasing demand for modern technologies, such as light-weight aluminum- scandium alloys. Evaluating current and identifying new sources of the element has …

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Extraction of Nickel, Cobalt, and Scandium from Low-Grade …

Efficacy of reduction pre-treatment of laterite ore on the extraction of Ni, Co, and Sc was determined by comparing the %recovery obtained between leaching untreated ore and …

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Recovery of scandium from silicate minerals by high …

This study investigated the leaching of scandium from a Sc-bearing silicate ore. The Sc concentrate obtained by beneficiation pre-enrichment has 1.03 × 10 −4 wt% Sc and 14.66 …

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Recovery of scandium, yttrium and lanthanides from titanium ore …

This patent describes a process for extracting scandium from titanium ore. It comprises feeding a scandium-containing titanium ore to a fluidized bed chlorinator at …

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Recovery of scandium from silicate minerals by high …

Tan et al. 23 achieved the scandium leaching efficiency of 88.33% from the silicate ore using hydrochloric acid and adding additives. The optimum process was leaching at 90 °C …

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Recovery of scandium from various sources: A critical review …

Scandium is a critical metal in increasing demand for modern technologies, such as light-weight aluminum-scandium alloys. Evaluating current and identifying new sources of the …

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An innovative process for extracting scandium from …

After optimization, 88% of scandium was recovered, indicating the predictability of the empirical model for scandium recovery. Graphical abstract. Download: Download high-res …

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Recovery of scandium from laterite ore intermediate …

Request PDF | On Dec 1, 2024, Jiancheng Yu and others published Recovery of scandium from laterite ore intermediate products: Efficient separation, selective extraction, and product …

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A novel synergistic extraction system for the recovery of scandium …

In order to decrease the stripping acidity of scandium as well as enhance the extraction efficiency of Cyanex923 for scandium in low acidity solution, and improve selectivity …

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A critical review on separation and extraction of scandium …

Scandium is a classic scattered element, and is only about 5 ppm in earth crust. Sc rarely accumulates into independent ores and deposits in geological processes [13], [14], and …

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