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Journal articles on the topic 'Scandium ores'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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1

Islamov, B. F., A. I. Rustamov, V. D. Tsoi, and S. S. Sayitov. "Promising scandium content of Tebinbulak titanium-magnetite deposit." Vestnik of Geosciences 3 (2021): 21–26. http://dx.doi.org/10.19110/geov.2021.3.3.

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We present results of geological-mineralogical-geochemical studies of the Tebinbulak scandium-containing titanium-magnetite deposit in Western Uzbekistan. The levels of scandium content in ores and rocks of the pyroxene-hornblende massif have been analyzed. The potential for the associated extraction of scandium from ores, which can significantly increase the profitability of the industrial development of the deposit, is discussed.

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2

Kompanchenko, Alena, Anatoly Voloshin, and Victor Balagansky. "Vanadium Mineralization in the Kola Region, Fennoscandian Shield." Minerals 8, no. 11 (2018): 474. http://dx.doi.org/10.3390/min8110474.

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In the northern Fennoscandian Shield, vanadium mineralization occurs in the Paleoproterozoic Pechenga–Imandra-Varzuga (PIV) riftogenic structure. It is localized in sulfide ores hosted by sheared basic and ultrabasic metavolcanics in the Pyrrhotite Ravine and Bragino areas and was formed at the latest stages of the Lapland–Kola orogeny 1.90–1.86 Ga ago. An additional formation of vanadium minerals was derived from contact metamorphism and metasomatism produced by the Devonian Khibiny alkaline massif in the Pyrrhotite Ravine area. Vanadium forms its own rare minerals (karelianite, coulsonite, k

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3

Chassé, Mathieu, Marc Blanchard, Delphine Cabaret, Amélie Juhin, Delphine Vantelon, and Georges Calas. "First-principles modeling of X-ray absorption spectra enlightens the processes of scandium sequestration by iron oxides." American Mineralogist 105, no. 7 (2020): 1099–103. http://dx.doi.org/10.2138/am-2020-7308.

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Abstract Scandium is often associated with iron oxides in the environment. Despite the use of scandium as a geochemical tracer and the existence of world-class supergene deposits, uncertainties on speciation obscure the processes governing its sequestration and concentration. Here, we use first-principles approaches to interpret experimental K-edge X-ray absorption near-edge structure spectra of scandium either incorporated in or adsorbed on goethite and hematite, at concentrations relevant for the environment. This modeling helps to interpret the characteristic spectral features, providing ke

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4

Aung, Wai Moe, M. V. Marchenko, and I. D. Troshkina. "Scandium adsorption from sulfuric-chloride solutions with activated carbons." Izvestiya Vuzov. Tsvetnaya Metallurgiya (Universities' Proceedings Non-Ferrous Metallurgy), no. 5 (October 25, 2019): 49–55. http://dx.doi.org/10.17073/0021-3438-2019-5-49-55.

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The study covers scandium adsorption in batch conditions by VSK, DAS and PFT activated carbon grades (Russia) of different origin (сoconut shell, аnthracite, thermoset waste, respectively) from sulfuric acid-chloride solutions (pH = 2) simulating the composition of the underground leaching solutions of polymetallic ores. It was found that scandium adsorption by DAS and VSK carbons proceeds with the highest distribution coefficients (133 and 45.8 cm3/g, respectively). Isotherms of scandium adsorption with these carbons are linear and described by the Henry equation with constants 133 ± 21 and 4

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5

Pikalova, V. S., L. P. Tigunov, and L. Z. Bykhovskii. "Alloying metals of Russia. Mineral raw materials resources: state, utilization, perspective of development (Report 2)." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 75, no. 6 (2019): 675–82. http://dx.doi.org/10.32339/0135-5910-2019-6-675-682.

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A group of metals, including tantalum, rare earth metals, beryllium, titanium, zirconium, rhenium, scandium and boron has a big importance for alloying steel, aluminum and other non-ferrous metals as well as for production of different alloys. In Russia, the explored resources of tantalum by many times exceed the plants’ demands. Zashikhinskoe and Vishnyakovskoe deposits in Irkutskregion, as well as Katuginskoe in Chitaregion are most promising. The State balance accounts the resources of rare earth metals (REM) oxides by 20 deposits. Russiatakes the second place in the world after Chinaby REM

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6

Kravchenko, S. M., A. Yu Belyakov, A. I. Kubyshev, and A. V. Tolstov. "SCANDIUM-RARE EARTH-YTTRIUM-NIOBIUM ORES—A NEW ECONOMIC RESOURCE." International Geology Review 32, no. 3 (1990): 280–84. http://dx.doi.org/10.1080/00206819009465776.

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7

Jankovský, Ondřej, David Sedmidubský, Petr Šimek, et al. "Separation of thorium ions from wolframite and scandium concentrates using graphene oxide." Physical Chemistry Chemical Physics 17, no. 38 (2015): 25272–77. http://dx.doi.org/10.1039/c5cp04384k.

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8

Yessimkanova, U., M. Mataev, M. Alekhina, M. Kopbaeva, A. Berezovskiy, and Dr D. Dreisinger. "The study of the Kinetic Characteristics of Sorption of Scandium of Ion Exchanger Purolite MTS9580 from Return Circulating Solutions of Underground Leaching of Uranium Ores." Eurasian Chemico-Technological Journal 22, no. 2 (2020): 135. http://dx.doi.org/10.18321/ectj961.

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This paper presents the results of a study of experiments on the sorption characteristics of phosphorus-containing ion exchangers Purolite MTS9580 (functional group ‒ derivatives of phosphonic acid) and Lewatit TP260 (functional group ‒ aminomethylphosphonic acid) on scandium. Using the method of low-temperature nitrogen adsorption, structural characteristics of selected ion exchangers Purolite MTS9580 and Lewatit TP260 respectively were measured. The specific surface of Purolite MTS9580 and Lewatit TP260 ion exchangers was measured as 5.1 and 4.5 m2/g, respectively. The obtained values indica

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9

Molchanova, T. V., I. D. Akimova, and A. V. Tatarnikov. "Ion-Exchange Methods of Scandium Recovery from the Ores of the Tomtor Deposit." Russian Metallurgy (Metally) 2019, no. 7 (2019): 674–79. http://dx.doi.org/10.1134/s0036029519070103.

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10

Ferizoğlu, Ece, Şerif Kaya, and Yavuz A. Topkaya. "Solvent extraction of scandium from lateritic nickel- cobalt ores using different organic reagents." E3S Web of Conferences 8 (2016): 01043. http://dx.doi.org/10.1051/e3sconf/20160801043.

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11

Hu, Yunhu, Mu You, Guijian Liu, Zhongbing Dong, Facun Jiao, and Ying Meng. "The Potential Utilizing of Critical Element from Coal and Combustion Residues." Energies 14, no. 15 (2021): 4710. http://dx.doi.org/10.3390/en14154710.

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Strategically critical elements are becoming significant for the rising demand of emerging energy-efficient technologies and high-tech applications. These critical elements are mostly geologically dispersed, and mainly recovered from recycled materials. Coal with high concentrations of critical elements is supposed to stable alternative sources. The abundances of critical elements in coal varies widely among different deposits and regions. The high concentrations of critical elements are found in many Chinese and Russian coal ores. The global mining potential ratio (MPR) is applied and suggest

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12

Giacalone, Joseph A. "The Market For The "Not-So-Rare" Rare Earth Elements." Journal of International Energy Policy (JIEP) 1, no. 1 (2012): 11–18. http://dx.doi.org/10.19030/jiep.v1i1.7013.

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This paper examines the market for the Rare earth elements. These are comprised of 17 elements of the periodic table which include 15 elements from the group known as lanthanides and two additional elements known as scandium and yttrium. The metals are often found combined together in ores and must be separated into its individual elements. The fact is that rare earth metals are not rare in terms of the quantity present in the earths crust. However, the metals are less concentrated than other more common metals and the extraction and separation processes necessitate high research and developme

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13

Hrinchenko, O., S. Bondarenko, and T. Mironchuk. "GRANITOIDS, RARE-METAL PEGMATITES AND Ta-Nb MINERALIZATION OF SHPOLIANO-TASHLYK ORE AREA (INGUL MEGABLOCK, UKRAINIAN SHIELD)." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 4 (83) (2018): 24–29. http://dx.doi.org/10.17721/1728-2713.83.03.

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Composition of granites, genetically associated pegmatites and superimposed metasomatites distributed within Shpoliano-Tashlyk ore area (Ingul megablock) is considered. It is established, that on the basis of similarity in their petrographic and petrochemical features granitoids of the area can be related to single complex. Features of ore mineralization are defined by both composition of granitoids (Sgranites) after which rare-metal pegmatites are formed and intensity of superimposed metasomatic alterations. Main minerals-concentrators of Ta and Nb mineralization in granitic pegmatites and me

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14

Stopic, Srecko, and Bernd Friedrich. "Advances in Understanding of the Application of Unit Operations in Metallurgy of Rare Earth Elements." Metals 11, no. 6 (2021): 978. http://dx.doi.org/10.3390/met11060978.

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Unit operations (UO) are mostly used in non-ferrous extractive metallurgy (NFEM) and usually separated into three categories: (1) hydrometallurgy (leaching under atmospheric and high pressure conditions, mixing of solution with gas and mechanical parts, neutralization of solution, precipitation and cementation of metals from solution aiming purification, and compound productions during crystallization), (2) pyrometallurgy (roasting, smelting, refining), and (3) electrometallurgy (aqueous electrolysis and molten salt electrolysis). The high demand for critical metals, such as rare earth element

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15

MELEZHIK, V. A., M. GOROKHOV, A. E. FALLICK, et al. "Isotopic stratigraphy suggests Neoproterozoic ages and Laurentian ancestry for high-grade marbles from the North-Central Norwegian Caledonides." Geological Magazine 139, no. 4 (2002): 375–93. http://dx.doi.org/10.1017/s0016756802006726.

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Carbon and strontium isotope stratigraphy has been applied to constrain the depositional ages of high-grade marble sequences in the Ofoten district of the North-Central Norwegian Caledonides. Two marble formations hosted by diverse schists from the Bogen Group, all previously correlated over long distances with a Late Ordovician–Early Silurian, low-grade, fossiliferous succession, have been studied for carbon, oxygen and strontium isotopes. The least altered 87Sr/86Sr ratios ranging between 0.7062 and 0.7068, and the best preserved δ13C values falling between +5.0 and +6.5‰ obtained from two m

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16

Cook, Nigel J., Christopher Halls, and Alan P. Boyle. "Deformation and metamorphism of massive sulphides at Sulitjelma, Norway." Mineralogical Magazine 57, no. 386 (1993): 67–81. http://dx.doi.org/10.1180/minmag.1993.057.386.07.

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AbstractThe copper-bearing stratabound pyritic massive sulphide bodies contained in metamorphosed basic eruptives of Ordovician age at Sulitjelma in Nordland County, Norway, form one of the important fields of sulphide mineralisation within the Köli Nappe Complex. The sulphide bodies and their enclosing rocks were subject to successive stages of penetrative deformation and recrystallisation during the cycle of metamorphism and tectonic transport caused by the Scandian Orogeny. Textures within the ores and the immediate envelope of schists show that strain was focused along the mineralised hori

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17

Jalali, Jihen, and Thierry Lebeau. "The Role of Microorganisms in Mobilization and Phytoextraction of Rare Earth Elements: A Review." Frontiers in Environmental Science 9 (June 15, 2021). http://dx.doi.org/10.3389/fenvs.2021.688430.

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Rare earth (RE) elements are a group of 17 chemical elements including the 15 lanthanides plus Yttrium and Scandium. RE have been identified as critical elements due to their special properties (e.g., catalytic, metallurgical, nuclear, electrical, magnetic, and luminescent) and various applications in many modern technologies, environment and economic areas. Thus, the demand for RE has increased significantly during the last decades. This demand has induced an increase in mining activities and consequently a release of RE into the surrounding environment, causing a potential threat to human he

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