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   Articles with "scandium" as a keyword



Synergistic Nanoarchitectonics: Precision Membrane Engineering for Rare Earth Selective Separation

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recommendations! Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202409274

Abstract: Rare earth elements (REEs) are vital in high‐tech industries and defense due to their strategic significance. Crafting an efficient membranes channel for REE separation poses a significant challenge. Employing 2‐methylimidazole‐hydrolyzed OH−, dopamine polymerization is initiated… read more here.

Keywords: separation; synergistic nanoarchitectonics; rare earth; nanoarchitectonics precision ... See more keywords

Plasma–Liquid‐Induced Synthesis of Scandium–Metalloporphyrin Frameworks for Boosted Sensing and Photosensitization

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recommendations! Published in 2025 at "Advanced Materials"

DOI: 10.1002/adma.202412071

Abstract: Inserting metal ions into the porphyrin ring is one of the primary strategies to enhance the properties of porphyrin‐based metal–organic frameworks (MOFs). However, the straightforward, rapid, and energy‐efficient synthesis of porphyrin‐based MOFs with high metallization… read more here.

Keywords: synthesis scandium; metalloporphyrin frameworks; synthesis; scandium metalloporphyrin ... See more keywords

Recovery of Scandium by Crystallization Techniques

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recommendations! Published in 2019 at "Journal of Sustainable Metallurgy"

DOI: 10.1007/s40831-019-00210-4

Abstract: 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 valuable elements in bauxite residues. It is possible… read more here.

Keywords: crystallization techniques; strip liquor; crystallization; scandium ... See more keywords

Selective recovery of vanadium and scandium by ion exchange with D201 and solvent extraction using P507 from hydrochloric acid leaching solution of red mud.

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recommendations! Published in 2017 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.02.083

Abstract: D201 resin and P507 extractant diluted with sulfonated kerosene were used to respectively separate vanadium and scandium, and impurity ions from hydrochloric acid leaching solution of red mud. More than 99% of vanadium was selectively… read more here.

Keywords: acid leaching; leaching solution; solution; hydrochloric acid ... See more keywords

An innovative process for extracting scandium from nickeliferous laterite ore: Carbothermic reduction followed by NaOH cracking

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recommendations! Published in 2020 at "Hydrometallurgy"

DOI: 10.1016/j.hydromet.2019.105194

Abstract: Abstract Laterite ores account for >60% of the world's nickel resources. This ore contains considerable amount of scandium, a strategic material in increasingly high demand in various industries. Here, an innovative two-step process was developed… read more here.

Keywords: naoh cracking; process; scandium; innovative process ... See more keywords

Recovery of scandium from KOH sub-molten salt leaching cake of fergusonite

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recommendations! Published in 2019 at "Minerals Engineering"

DOI: 10.1016/j.mineng.2018.11.052

Abstract: Abstract A study was carried out for recovery of scandium from KOH sub-molten salt (SMS) leaching cake of fergusonite. Major metals in the cake were rare earths (RE), K, Th, U and Ca, and minor… read more here.

Keywords: leaching cake; scandium koh; cake; recovery scandium ... See more keywords

Selective separation of Sc(III) and Zr(IV) from the leaching of bauxite residue using trialkylphosphine acids, tertiary amine, tri-butyl phosphate and their mixtures

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recommendations! Published in 2021 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2021.119798

Abstract: Abstract The separation of scandium from the solution generated in acid leaching is one of the main challenges for the hydrometallurgical processing of bauxite residue. Several organic extractants were evaluated, being the most prominent phosphine… read more here.

Keywords: selective separation; separation; bauxite residue; scandium ... See more keywords
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Selectively recovering scandium from high alkali Bayer red mud without impurities of iron, titanium and gallium

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recommendations! Published in 2017 at "Journal of Rare Earths"

DOI: 10.1016/s1002-0721(17)60992-x

Abstract: Abstract Experimental results here can give some new insights into the mechanism of selective recovery of scandium and sodium from high alkali Bayer red mud (RM) through sulfation-roasting-leaching process. Effects of roasting and leaching conditions… read more here.

Keywords: high alkali; red mud; bayer red; scandium ... See more keywords

Temperature-Induced Polymorphism of LiSc(SO4)2·2H2O Allows the Control of the Yield of Scandium during Precipitation from Diluted Aqueous Solutions.

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recommendations! Published in 2025 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.5c03565

Abstract: Two polymorphs of lithium-scandium sulfate hydrate LiSc(SO4)2·2H2O are isolated by chimie douce crystallization. Neutron- and X-ray powder diffraction data unveil their monoclinic shape (sp.gr. C2/c, m109-LSS) and orthorhombic lattices (sp.gr. P212121, o-LSS). An elevated temperature… read more here.

Keywords: temperature induced; so4 2h2o; lisc so4; scandium ... See more keywords

Synthesis, Crystal Structure, and Optical Properties of Layered Perovskite Scandium Oxychlorides: Sr2ScO3Cl, Sr3Sc2O5Cl2, and Ba3Sc2O5Cl2.

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recommendations! Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b00573

Abstract: We report the successful synthesis of three new Ruddlesden-Popper-type scandium oxychloride perovskites, Sr2ScO3Cl, Sr3Sc2O5Cl2, and Ba3Sc2O5Cl2, by conventional solid-state reaction. Small single crystals of Sr2ScO3Cl were obtained by a self-flux method, and the crystal structure… read more here.

Keywords: crystal structure; sr3sc2o5cl2 ba3sc2o5cl2; geometry; scandium ... See more keywords

Synthesis of Rigid Stepladder Polymers via Scandium-Catalyzed Polyspiroannulation of Quinoline with Alkyne.

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recommendations! Published in 2025 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.4c15046

Abstract: Polymers with rigid three-dimensional architectures have attracted significant attention due to their high rigidity and intrinsic microporosity. Here, we report the synthesis of a new class of rigid stepladder polymers featuring unique spirodihydroquinoline skeletons. Under… read more here.

Keywords: polyspiroannulation quinoline; rigid stepladder; scandium; stepladder polymers ... See more keywords