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RENO, NV / ACCESSWIRE / May 20, 2021 / Scandium International Mining Corp.(TSX:SCY) ("Scandium International" or the "Company") received notice of two separate patent grants from the US Patent Office in late April 2021, pertaining to work done by the Company to reserve rights in the recovery of scandium from copper raffinate solutions via ion exchange techniques, and …
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Scandium is one of the most valuable rare-earth elements, and its extraction is centralized in China. For this reason, the search for new scandium sources is required to supply the demand. Bauxite residue is considered a secondary scandium resource. It has estimated around 4 billion tons of bauxite residue worldwide with 20–200 mg/kg of scandium. The hydrometallurgical route is …
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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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Scandium Recovery Using Primene JM-T. Scandium recovery by the solvent extraction organic primary amine known as Primene JM-T has been in the public domain since the 1960s. This chemical is a mixture of primary aliphatic amines and is produced by Rohm and Haas.
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JP-2014177391-A chemical patent summary.
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LOI further outlines 50:50 JV partnership, if parties agree to construct an onsite recovery circuit to produce a series of metal concentrates. The refinery circuit would be located off-site from the Phoenix Mine and owned and operated by SCY; Metals targets include nickel, cobalt, scandium and zinc, possibly others.
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Scandium is known as one of rare earth elements, which has been used in metal halide lamp, electronics, strengthen alloy, aerospace, airplane construction, catalyst ceramics, etc. Extraction and separation of scandium from the ores are difficult therefore, scandium is expensive and its application in industry has been limited (Xu et al., 2013).
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MANILA, Philippines - Sumitomo Metal Mining Co., Ltd (SMM) is constructing a scandium recovery pilot plant in Palawan seen to be operational by 2014. In …
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Metallurgical processes for scandium recovery from various resources are reviewed. Scandium is mainly recovered as by-product from residues, tailings and waste liquors in the production of other metals such as rare earths, uranium, titanium, tungsten, aluminium, nickel, tantalum and niobium.
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Red mud is a slimy caustic residue generated from alumina production. Taking into account the relatively considerable content and availability of scandium, red mud can be viewed as an important and promising scandium resource rather than a solid waste. This paper is primarily to review the investigations of scandium recovery from red mud based on the most widely used …
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Scandium International is concurrently developing their high grade Nyngan Scandium Project in Australia and multiple high-purity alumina and aluminum-scandium master alloy opportunities. Trading on a market cap of just C$52 million there is a lot to like about the potential of Scandium International Mining Corp. Stay tuned for more developments.
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Reno, Nevada, May 20, 2021 – Scandium International Mining Corp.(TSX:SCY) ("Scandium International" or the "Company") received notice of two separate patent grants from the US Patent Office in late April 2021, pertaining to work done by the Company to reserve rights in the recovery of scandium from copper raffinate solutions via ion exchange techniques, and to reserve rights in the ...
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making scandium oxide as a byproduct of alumina refining in the Ural Mountains were ongoing. The pilot plant was reported to have produced scandium oxide with purity greater than 99%. Based on pilot-plant test results, plans were in place for a 3-ton-per-year scandium oxide plant. In Dalur, Kurgan region, development of scandium recovery as a
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Rare-earth elements (REEs), such as scandium, are in high demand, but it is often difficult to economically recover and extract them. Now, II-VI Inc. (Saxonburg, Pa.; ) has developed a patent-pending process utilizing selective ion recovery (SIR) that enables highly selective extraction of scandium and other targeted REEs from streams with concentrations as low as 6 ppm.
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The scandium ion exchange recovery patent grant meets a technical milestone for recovery of scandium from copper solutions. The unique …
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Westerners chase scandium production. Miners go after opportunities to extract rare critical metal Metal Tech News – July 21, 2021. Metal 3D is an emerging use for scandium alloys. At just 77 lb, this Airbus APWorks motorcycle is printed from a scandium-aluminum-magnesium alloy known as Scalmalloy.
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<2-5. Scandium Recovery Step> Next, in the scandium recovery step S5, scandium is recovered from the backward extraction liquid obtained in the scandium extraction step S4. There is no particular limitation for the method for recovering scandium in the scandium recovery step S4, and any known method can be used. Examples of a known method ...
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Sumitomo Metal Mining Co. Ltd (SMM) is building a scandium recovery plant in Palawan later this year, and expects the pilot facility to operate in 2014. "For some time, SMM has been working to develop a scandium recovery method at its Niihama Research Laboratories in Ehime Prefecture," the company noted on its website. "This effort has ...
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Scandium is associated with calcium phase in red mud. • Comparative bioleaching amenabilities of German and Indian red mud by G. oxydans. • Approx. 83–94% Sc recovery in 18–20 d from red mud. • Gluconic acid assisted in Sc release from the calcium matrix. • Post bioleach residue enriched with zirconium silicate matrix.
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The method showed scandium recovery to primary leach solution (PLS) of 87% for MET01, and 84% for MET02 samples. The recovery of total rare earth element, including yttrium (TREE+Y) of 84%, from ...
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CN-105899691-A chemical patent summary.
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Scandium is further recovered from the hydrolysis residue by acid leaching. Test results show scandium leaching recovery of 95.12% and the acid leaching residue with Sc2O3 content of 8.12 g/t are obtained, while the extraction of scandium is obvious. There is no obvious peak value of Scandium spectrum in hydrochloric acid leach residue.
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Longbai Group announced that at the 28th meeting of the Seventh Board of Directors held on October 25, 2021, the "proposal on investing in the Construction of a demonstration Project for Comprehensive recovery of 200000 tons of Titanium dioxide Chloride and Vanadium-Scandium and other rare Metals (supporting 1 million tons of high-salt wastewater treatment project)", in order to …
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JP-2014177391-A chemical patent summary.
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The scandium oxide will be supplied from a new plant Rio Tinto is building in Sorel-Tracy, Quebec, bringing the first North American supply source to the world. The plant will use an innovative recovery process developed by Rio Tinto scientists to extract high purity scandium oxide from the waste streams of titanium dioxide production, without ...
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This research presents a novel precipitation method for scandium (Sc) concentrate refining from bauxite residue leachates and the effect of aqueous media on this triple-stage successive precipitation process. The precipitation pattern and the precipitation behavior of the constituent elements was investigated using different precipitation agents in three major mineral acid media, namely, H2SO4 ...
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Scandium International and Nevada Gold Mines Sign LOI to Pursue Critical Metals Recovery at Phoenix Mine. ... if parties agree to construct an onsite recovery circuit to …
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In the field of valuable metals recovery, most work only focused on the recovery of individual element, such as iron [19][20][21], aluminum [22,23], and scandium [24, 25]. Besides, problems remain ...
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Scandium's value in enabling high Energy Efficiency applications will drive demand across a range of markets. The rate of adoption of these applications will be cost-dependent. Multiple sources of Scandium (primary, secondary and tertiary) needed to create a robust Supply Chain that reassures new adopters of Scandium-based products.
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Taking into account scandium's limited availability coupled with its high demand in modern technology, bauxite residue could be considered as a potential resource for scandium recovery. In this study, the optimization of scandium extraction from bauxite residue with sulfuric acid is investigated using Taguchi methodology.
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Metallurgical Process For Selective Leaching And Extraction Of Scandium And Sodium From Iron Rich Bauxite Residue: Posted on: Degree:Doctor Type:Dissertation Country:China Candidate:Z B Liu Full Text:PDF GTID:66043 Subject:Metallurgical engineering Abstract/Summary:
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Aiming at the industrial scale development of a Scandium (Sc)-selective leaching process of Bauxite Residue (BR), a set of process design aspects has been investigated. The interpretation of experimental data for Sc leaching yield, with sulfuric acid as the leaching solvent, has shown significant impact from acid feed concentration, mixing time, liquid to solids ratio (L/S), and number of ...
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