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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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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 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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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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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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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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Selective Recovery of Scandium from Nickel Laterite Ore …

Anawati et al. [26] have previously explored the recovery of scandium from laterite nickel ore by acid roasting-water leaching. Nevertheless, the acid ore-water mixtures need to …

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Metallurgical processes for scandium recovery from various resources…

Metallurgical processes for scandium recovery from various resources are reviewed. Scandium is mainly recovered as by-product from residues, tailings and waste …

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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 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 calcination. The …

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Red Mud Neutralisation by CO2 Promotes Alkali Recovery …

Maximum recovery of lanthanum (96%) was observed at 90 o C. The recovery of cerium, scandium, and titanium increased with an increase in temperature. Maximum recovery …

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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 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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An innovative process for extracting scandium from nickeliferous

This result explains the reason for the negative impact of carbon-to-ore ratio on the scandium concentration in a slag phase. ... Recovery of scandium from Canadian bauxite …

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Metallurgical processes for scandium recovery from various …

Selective Recovery of Scandium from Nickel Laterite Ore by Acid Roasting–Water Leaching. J. Anawati Runlin Yuan Jihye Kim G. Azimi. Materials Science. 2020; Scandium is a …

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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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Scandium: Ore deposits, the pivotal role of magmatic …

Scrubbing for contaminants removal may be carried out using HCl 5 mol/L with 0.1% of scandium losses, and all scandium was stripped by H 3 PO 4 5 mol/L. Despite the …

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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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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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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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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 study, a …

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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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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 calcination. The hydrometallurgical methods …

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

As the scandium is sparsely dispersed in these sources, the recovery process of scandium is complex, because of high acid consumption, corrosion resistant equipment 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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System and Method for Recovery of Scandium Values From Scandium …

The method comprises (a) providing ( 203 ) an ore which contains scandium; (b) treating ( 205 ) the ore with an acid; (c) baking the ore; and (d) leaching ( 207 ) scandium from the baked ore. …

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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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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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Leaching Behavior of Scandium from Limonitic Laterite Ores …

However, the leaching behavior of scandium in the SAL process is seldom studied in literatures. Anawati et al. have previously explored the recovery of scandium from laterite …

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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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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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