


Recovery of scandium from various sources: A critical review …
The main techniques studied for selective scandium recovery are ion-exchange chelating resins and solvent extraction, being the last one well-explored due to the highly …
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Metallurgical processes for scandium recovery from various …
Semantic Scholar extracted view of "Metallurgical processes for scandium recovery from various resources: A review" by W. Wang et al. ... A pilot-plant process has been developed based on an innovative laboratory-scale method for the recovery of scandium that exists in economically interesting concentrations in red mud, ...
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Recovery of scandium from bauxite residue—red …
This paper is primarily to review the investigations of scandium recovery from red mud based on the most widely used hydrometallurgical processes including acid leaching, solvent extraction and ion exchange …
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Recovery of scandium from synthetic red mud leach …
Solvent extraction technology has been used for the recovery of scandium from leach solutions. A number of extractants can be used for scandium extraction [8], including acidic organophosphorus extractants, such as di-2-ethylhexyl phosphoric acid (D2EHPA), 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester (Ionquest 801) and di-2,4,4-trimethylpentyl …
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SCANDIUM RECOVERY FROM URANIUM SOLUTIONS
Salt Lake plant flow sheet showing the use of hydrofluoric acid strip for scandium recovery from uranium plant solvent. at the recent conference on Rare Earth Research Developments at Lake Arrowhead, Calif.' In addi tion, a recent book by R. C. Vickery summarizes information on the chemical behavior of scandium
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Metallurgical processes for scandium recovery from various …
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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Recovery of Scandium by Crystallization Techniques
The current state-of-the-art in the recovery of scandium from metallurgical waste streams involves leaching to extract scandium from the waste stream, e.g., bauxite residue [13,14,15]. Solvent extraction is then employed to …
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Development of Scandium-Recovery Process from Titanium …
The titanium -smelting -plant flowsheet is shown in Fig. 1. Titanium tetrachloride (TiCl 4 ... 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 by Toho Titanium Co ., Ltd.). ...
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Sumitomo mining unit putting up scandium recovery plant …
The scandium recovery plant to be constructed by the end of 2013 will conduct trial production at a level of 10 kilograms (kg) per month in 2014.
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Sumitomo Building Scandium Recovery Plant at Coral Bay
Sumitomo developed technology, enabling recovery of scandium from the Coral Bay ore at its Niihama Research Laboratories in Ehime Prefecture, Japan. Plans call for a scandium oxide pilot plant to be constructed at Coral Bay by the end of 2013 and for trial production to get underway at a level of 10 kg/month in 2014.
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Pilot-Plant Investigation of the Leaching Process for the …
A pilot-plant process has been developed based on an innovative laboratory-scale method for the recovery of scandium that exists in economically interesting concentrations in …
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Recent Advances in Solvent Extraction for the Efficient Recovery …
The recovery of scandium (Sc) from primary and secondary resources has gained significant attention in recent years due to its increasing demand in advanced technologies, including aerospace alloys, solid oxide fuel cells, and electronic devices. Despite its relative abundance in the Earth's crust, the dispersed nature of scandium and the ...
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Scandium Recovery from the Nyngan Laterite Project in …
Ross JR, Schack CH (1964) Recovery of Scandium from Uranium Plant Iron Sludge and from Wolframite Concentrates, USBM report RI6580. Google Scholar Wang W, Pranolo Y, Cheng CY (2011) Metallurgical processes for scandium recovery from various resources: A review. Hydrometallurgy 108:100–108
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Concentration and Separation of Scandium from Ni …
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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Life cycle assessment of a novel production route for scandium recovery …
The uptake of the FC also depends on the transportation and landfilling costs of the FC at the alumina / scandium plant. Short transportation distances and elevated landfilling cost are seen as relevant factors to make the uptake of the FC economically attractive. ... Scandium recovery from an ammonium fluoride strip liquor by anti-solvent ...
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Scandium Recovery from the Nyngan Laterite Project in NSW
Scandium is a metal with emerging uses in aluminium alloying, lighting and ceramic fuel cell applications. The current world supply is small at 15–20 tonnes per year and is largely serviced by scandium by-product recovery from production of other metals. In recent years, an increase in demand for scandium has been hampered by a lack of supply. This has …
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Recovery Scandium Uranium Plant Iron Sludge Wolframite …
Recovery of scandium from uranium plant iron sludge and from wolframite concentrates / by J.R. Ross and C.H. Schack 1965 [Leather Bound] by Ross, J. Richard. and a great selection of related books, art and collectibles available now at AbeBooks.
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Pilot-Plant Investigation of the Leaching Process for the Recovery …
A pilot-plant process has been developed based on an innovative laboratory-scale method for the recovery of scandium that exists in economically interesting concentrations in red mud, the main byproduct of alumina production. This method includes acid leaching of the red mud pulp, ion-exchange separation of scandium and lanthanides from the co-leached main …
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The Future of Scandium Recovery from Wastes
The recovery of scandium (Sc) from wastes and various resources using solvent extraction (SX) was discussed in detail. Moreover, the metallurgical extractive procedures for Sc recovery were...
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Selective Scandium (Sc) Extraction from Bauxite Residue …
United Company RUSAL launched a pilot plant by NaHCO 3 leaching in 2014 . Sc extraction degree by this method does not exceed 30–40%, ... Anawati J., Azimi G. Recovery of Scandium from Canadian Bauxite Residue Utilizing Acid Baking Followed by Water Leaching. Waste Manag. 2019;95:549–559. doi: 10.1016/j.wasman.2019.06.044.
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Taganito HPAL Plant Project
The objective of Taganito HPAL Project is to produce 30,000 MT of nickel and 2600 MT of cobalt as sulfide with treatment of nickel laterite ore in the Philippines and to export to SMM Nickel Refinery in Japan as raw material for 30-years.In other words, 1.15 wt% of nickel content in ore is finally upgraded up to 99.99 wt% in electrolytic nickel.
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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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Clean TeQ Ships Scandium Recovery Pilot Plant to ISK …
Nagoya. The scandium recovery pilot plant Clean TeQ's Clean-iX® continuous usesion exchange technology and will be commissioned over the next two months with trial campaigns expected in the December quarter. Photos of the plant are attached in the appendix to this announcement.
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RI 6580 Recovery Of Scandium From Uranium Plant Iron …
Techniques for recovering scandium from uranium plant iron sludges and from wolframite concentrates are described. The best procedure found comprised (1) dissolution with sulfuric acid, (2) preliminary concentration by solvent extraction with a primary alkyl amine, (3) further enrichment and purification by a combination of ion exchange, solvent extraction, chemical …
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PROPOSED 1x15 MW CAPTIVE POWER PLANT, 5000 …
Scandium Oxide Recovery Plant: Main Raw material for Scandium recovery project would be waste Titanium Dioxide Hydrolysis acidic solution which will contain about 228 ppm of scandium oxide. Waste acid generated from the proposed 30,000 TPY pigment plant would be around 17548 cubic meter/year at 20% H 2SO 4. With 60% recovery during the
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RECOVERY OF SCANDIUM FROM URANIUM PLANT IRON …
Research Organization: Bureau of Mines. Salt Lake City Metallurgy Research Center NSA Number: NSA-19-009248 OSTI ID: 4647716 Report Number(s): BM-RI-6580
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Scandium Recovery Methods from Mining, Metallurgical …
The recovery of scandium (Sc) from wastes and various resources using solvent extraction (SX) was discussed in detail. ... lot plant, and the A/O ratio obtained was 50:1. Although a minor amount ...
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Scandium Recovery Methods from Mining, Metallurgical …
The recovery of scandium (Sc) from wastes and various resources using solvent extraction (SX) was discussed in detail. Moreover, the metallurgical extractive procedures for Sc recovery were presented. Acidic and neutral organophosphorus (OPCs) extractants are the most extensively used in industrial activities, considering that they provide the highest extraction …
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Sumitomo mining unit putting up scandium recovery plant …
The scandium recovery plant to be constructed by the end of 2013 will conduct trial production at a level of 10 kilograms (kg) per month in 2014. Based on the results of the test operation of the pilot plant, the company will decide on the construction of a scandium oxide production line of a commercial scale and the launch of a related ...
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Recent Advances in Solvent Extraction for the Efficient …
The recovery of scandium (Sc) from primary and secondary resources has gained significant attention in recent years due to its increasing demand in advanced technologies, …
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