• Metallurgical processes for scandium recovery from various ...

    Metallurgical processes for scandium recovery from various resources are reviewed. Scandium is mainly recovered as byproduct 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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  • Separation and purification of scandium: From industry to ...

    The performed separation experiments indicate that, due to the simplicity of the operations and the chemical purity of the obtained ⁴⁷Sc the best separation process is when scandium ...

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  • KnE Materials Science Scandium Recovery ...

    Scandium Sorption Our research group was the first one in the former USSR that developed the tech nology of scandium sorption separation from the red mud using the RIP method with simultaneous carbonation of the slurry [8, 9].

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  • Separation and purification of scandium by solvent ...

    Weiwei Wang, Yoko Pranolo and Chu Yong Cheng, Recovery of scandium from synthetic red mud leach solutions by solvent extraction with D2EHPA, Separation and …

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  • RECOVERY OF RARE EARTHS AND SCANDIUM FROM …

    RECOVERY OF RARE EARTHS AND SCANDIUM FROM URANIUM LEACHATES Ural Federal University Physical Technology Institute The Department of Rare Metals and Nanomaterials ... scandium separation. Sc/Th separation is necessary. Scandium recovery minipilot test. The results of work of the minipilot test

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  • Separation of 44Ti from proton irradiated scandium by ...

    Recovery and purification of nocarrier added (nca) 44Ti from scandium metal targets involves complex separation chemistry. In this study, separation systems based on solid phase extraction chromatography were investigated, including branched diglycolamide (BDGA) …

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  • Ucore Separates Scandium at 99%+ Recovery via SuperLig ...

    Efficient separation of Sc early in the processing flowsheet distinguishes MRT from other, less selective technologies, such as solvent extraction and ion exchange (“Legacy Separation Technologies”). Scandium Purity – The purity of the recovered Sc is >99% versus the other REE. The purpose of the Sc separation was to remove it completely ...

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  • Pilotscale recovery of rare earths and scandium from ...

    Pilotscale recovery of rare earths and scandium from phosphogypsum and uranium leachates 1 1 1 2,a ... Extractive Separation of Scandium from Rare Earth Elements. Read more. Rare Earths: Brazil x China. ... Report "Pilotscale recovery of rare earths and scandium from ..." Your name.

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  • PilotPlant Investigation of the Leaching Process for the ...

    A pilotplant process has been developed based on an innovative laboratoryscale 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, ionexchange separation of scandium and lanthanides from the coleached main elements such as iron, and …

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  • PilotPlant Investigation of the Leaching Process for the ...

    Scandium is an important rare earth element. Stacking of red mud has caused serious environmental and social issues. Red mud is rich in scandium. In this paper, recovery of scandium from red mud by emulsion liquid membrane (ELM) was studied. Composition of ELM …

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  • Separation and recovery of critical metal ions using ionic ...

    Separation and purification of critical metal ions such as ... purification, enrichment, and separation of scandium from its resources, which are typically non rareearth minerals, are almost always achieved by employing solvent extraction processes . Conventional solvent extraction processes for scandium recovery use a number of extractants ...

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  • Separation and recovery of scandium and titanium from ...

    Separation and recovery of scandium and titanium from spent sulfuric acid solution from the titanium dioxide production process. Author links open overlay panel Yuhua Li a b Qinggang Li a b Guiqing Zhang a b Li Zeng a b Zuoying Cao a b Wenjuan Guan a b Liupei Wang a b. Show more.

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  • Recovery of scandium from sulfationroasted leachates of ...

    Recovery of trace elements focuses mainly on the rare earths and more specifically on scandium, because of its high market value [18–20]. Depending on the bauxite source, bauxite residue contains on average 60–120 ppm of scandium, making it a viable source for scandium production [12,21]. Selective separation of scandium from the

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  • Separation and purification of scandium: From industry to ...

    This paper discusses recent developments and tendencies in scandium separation, purification and preconcentration from different wastes, residues, environmental samples as well as in the production of radiopharmaceuticals for nuclear medicine, both in the laboratory and on the industrial scale.

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  • A Lowcost Rare Earth Elements Recovery Technology

    A Lowcost Rare Earth Elements Recovery Technology Prakash B. Joshi Physical Sciences Inc. Andover, MA ... Group 3 Elements: Scandium, Yttrium, and lanthanides ... of separation, concentration, and extraction from ores

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  • Recovery of scandium from leachates of Greek bauxite ...

    the recovery of scandium from real leachates of Greek bauxite residue. In the separation of scandium from the other elements, the biggest challenge arose from the chemical similarities between scandium(III) and iron(III). This hampers high selectivity for scandium…

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  • Recovery of Scandium by Crystallization Techniques (pdf ...

    Scandium is one of the valuable elements in bauxite residues. It is possible to extract and enrich scandium from red mud by leaching and solvent extraction. Scandium can then be recovered from the pregnant strip liquor by crystallization.

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