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A study was carried out for recovery of scandium from KOH submolten salt (SMS) leaching cake of fergusonite. Major metals in the cake were rare earths (RE), K, Th, U and Ca, and minor metals were Pb, Nb, Ta, Ti, Fe, Si, Sn, Al, Bi and Mn.
Jun 23, 2016· In the scandium extraction step, scandium values are extracted from a scandium source with an organic solvent, thereby obtaining a scandiumloaded organic solvent. The scandium source may be, for example, a leachate, an industrial byproduct, or a metal sludge, and will typically contain both scandium and iron ions, in addition to other metal ions.
The scandium concentrate used in the leaching experiment was obtained from the rare earth ore containing scandium in Yunnan Province, the sample used in experiment is leaching liquid containing scandium which the content of scandium is /t, with complex impurity composition. The main influencing factors of extraction in hydrochloric acid solution were acidity, mixing time, phase ratio etc ...
In this study, the feasibility and mechanism of recovering scandium from a scandiumrich material were investigated based on the acid leaching and solvent extraction process. The results showed that phosphoric acid had an advantage in separating scandium from impurities over hydrochloric acid, sulfuric acid and nitric acid.
Experimental Study on Extraction of Scandium from Complex Silicate Ore ... G. F. Zhang et al., "Experimental Study on Concentrating Scandium by Leaching from Associated Scandium Ore", Advanced Materials Research, Vols. 734737, pp., 2013.
Taking into account scandium 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 .
Nigel Ricketts, our Process Engineering expert and Manager of Studies in Queensland, recently presented a paper at TMS 2019 in Texas on scandium solvent extraction. If you are a process engineer interested in scandium processing techniques, or a mining professional looking at scandium opportunities, this condensed version of the technical paper might be of interest to you.
Complex compounds of 2,2''dipyridyl and 1,10phenanthroline are useful in various electroanalytical methods (extraction voltammetry, direct and indirect variants of potentiometry and coulometry, amperometric and conductometric titration).
Review of the scandium assay data across the deposit shows that it is pervasively distributed at elevated grades (>180ppm scandium) throughout the lateritic profile, but generally preferentially around the periphery of the central dunite complex. The bulk of the scandium mineralisation is present within the OVB, TZ, and GZ.
This research is concerned with the solvent extraction into chloroform of the lanthanides, using 2,5dimethyl2hydroxyhexanoic acid (DMHHA). This acid is the first ..cap alpha..hydroxy aliphatic acid to be studied as an extracting agent for the lanthanides.
Extraction of Scandium (III) from acidic solutions using organophosphoric acid reagents: A comparative study Article (PDF Available) in Separation and Purification Technology · .
Platina Scandium Project – Key Project Parameters: Way Forward – Platina Resources is currently progressing with Mining Licence Application (MLA), Environmental Impact Assessment, Development Applications (mine and process plant), as well as securing offtakes and financing for the project. On 9 May 2019, the company informed to have lodged ...
The Nyngan Scandium Project is located approximately 25km west of the town of Nyngan and 500km northwest of Sydney, New South Wales (NSW), Australia. It incorporates part of the Exploration Licence (EL) 6009 and the entire EL 6096, covering a total area of approximately 9,000ha. Touted to be the ...
Preliminary extraction of scandium and direct input of extractants into flame allow us to increase selectivity and sensitivity of the analysis. Practically full extraction of the complex of scandium from hydrochloride medium was used for development of extractionatomicabsorption determination of scandium in soils. Selective technique for ...
The results show that the extraction rates of Sc can reach up to 95%.The removing of Fe,Mn and Ti can be reached %, % and % antiextraction rates from organic phase with NaOH reach up to % with effective separation from Fe,Mn and Ti. ... "Experimental Study on Extracting Scandium from HCl Leachate of ...
In the past decade, various scandium recovering technologies have been developed in China because of the increasing use of scandium in hightech products and the demands of the international scandium market. Solvent extraction is reported to be one of the most effective techniques to extract scandium from various resources.
Jul 02, 2015· A method for separating and refining scandium according to the present invention is a method for separating and refining scandium by selectively extracting the scandium from a solution produced by applying a leaching treatment to ores and intermediates containing the scandium using an acid solution or the like.
Experimental Study of the Static and Dynamic ... Complex on Extraction Efficiency of REEs from ... as well as scandium and yttrium [1]. Scandium and yttrium are considered REEs since they occur in the same ore deposits as the lanthanides and exhibit similar chemical properties. REEs are cerium (Ce), dysprosium (Dy),
Acid leachingsolvent extraction is an effective process to extract scandium from scandiumbearing resources. This study was aimed to investigate the extraction behavior of metal ions, including ...
In this study, the optimization of scandium extraction from bauxite residue with sulfuric acid is investigated using Taguchi methodology. Based on previous studies, acid molarity, leaching time, solid/liquid ratio, and reaction temperature were selected as .
Extraction of Scandium from Lateritic NickelCobalt Ore Leach Solution by Ion Exchange: A Special Study and Literature Review on Previous Works
Download Citation on ResearchGate | Extraction and refining of scandium upon the processing of baddeleyite concentrates | Conditions of extractive concentration of scandium by 80% tributyl ...
However, it is very difficult to enrich this ore, because of the poor beneficiability of silicate and dispersed distribution of scandium minerals. This paper has focused on magnetic separation processes for the preconcentration of poor magnetite associated with scandium oxide ore, according to the composition and occurrence state of scandium.
Separation of cyclotronproduced 44 Sc from a natural calcium target using a dipentyl pentylphosphonate functionalized extraction resin. ... Despite the efforts of several research groups, the ideal 44 Sc production and separation ... consistent with the production of the scandium complex since these peaks were not present in the control vial ...
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