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experimental study on extraction of scandium from complex scandium mining

A method for isolatingscandiumvalues is provided. The method includes extractingscandiumvalues from a leachate with an organic solvent, thereby obtaining ascandium-loaded organic solvent, wherein the leachate contains iron andscandiumions, and wherein the organic solvent contains a primary amine. Thescandiumvalues are then stripped from thescandium-loaded solvent with a stripping ...

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  • Experimental Study on Extraction of Scandium from Complex

    Experimental Study on Extraction of Scandium from Complex

    Abstract: Based onleaching experimentsofcomplex silicateorecontenting scandium, the research has adoptedextractionto concentratescandiumand separate impurity. The emphasis of this reaserch is the impact factors, so theexperimentsincludingextractant concentration, organic aqueous ratio, mixing time, organic phase washing, organic phase reextraction, have been conducted.

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  • Experimental Study on Extraction of Scandium from

    Experimental Study on Extraction of Scandium from

    Abstract: Thescandiumconcentrate used in theleaching experimentwas obtained from the rare earth ore containingscandiumin Yunnan Province, the sample used inexperimentis leaching liquid containingscandiumwhich the content ofscandiumis 3.6g/t, withcomplex impurity composition. The main influencing factors ofextractionin hydrochloric acid solution were acidity, mixing time, phase ratio etc. and thecondition experiments…

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  • Extraction of scandium from scandium rich material derived

    Extraction of scandium from scandium rich material derived

    Mar 01, 2018· Thisstudyaims toselectively extract scandiumfrom thescandium-richmaterial via phosphoric acid leaching andsolvent extraction process. 2. Material. As described in our previousstudies( Li et al., 2014, Deng et al., 2017 ), thescandium-rich materialwas a leaching residue originated from bauxite ore residue.

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  • (PDF) Extraction of scandium from scandium rich material

    (PDF) Extraction of scandium from scandium rich material

    Theextraction of scandiumfromthisscandium-rich materialwas investigated in the presentstudy, with emphasis on bothacid leachingof various components andsolvent extraction of scandiumfrom...

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  • US9481638B2 Scandium extraction method Google Patents

    US9481638B2 Scandium extraction method Google Patents

    Provided is a method forselectively extractingandinexpensively recovering scandiumfrom an acidic solution containingcalcium,magnesium, andscandium. Thescandium extraction methodaccording...

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  • Scandium recovery from raffinate copper leach solution as

    Scandium recovery from raffinate copper leach solution as

    Nov 01, 2020· Generally,scandium extraction studiesare focused on sources such as uranium leach, aluminum red mud, tungsten, nickel and zirconium production residues. Althoughstudiesof extracting rhenium, yttrium and neodymium from copper leach solution have been reported, so far no scientificresearchhas been published on theextraction of scandium...

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  • (PDF) Extraction of Scandium from Lateritic Nickel Cobalt

    (PDF) Extraction of Scandium from Lateritic Nickel Cobalt

    Extraction of Scandium fromLateritic Nickel-Cobalt Ore Leach Solution by Ion Exchange: A SpecialStudyand Literature Review on Previous Works January 2018 DOI: 10.1007/978-3-319-72284-9_201

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  • Extraction of scandium from scandium rich material derived

    Extraction of scandium from scandium rich material derived

    Mar 01, 2018· This study aims to selectively extract scandium from the scandium-rich material via phosphoric acid leaching and solvent extraction process. 2. Material. As described in our previous studies ( Li et al., 2014, Deng et al., 2017 ), the scandium-rich material was a leaching residue originated from bauxite ore residue.

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  • Scandiumrecovery from raffinate copper leach solution as

    Scandiumrecovery from raffinate copper leach solution as

    Nov 01, 2020· Generally,scandium extraction studiesare focused on sources such as uranium leach, aluminum red mud, tungsten, nickel and zirconium production residues. Althoughstudiesof extracting rhenium, yttrium and neodymium from copper leach solution have been reported, so far no scientificresearchhas been published on theextraction of scandium...

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  • Processes Free Full Text RecoveringScandiumfrom

    Processes Free Full Text RecoveringScandiumfrom

    In recent years, the combination of mineral processing and hydrometallurgical separation technology has been widely used in the field of comprehensive recovery and extraction of scandium, which greatly improves the concentration ratio and recovery rate of scandium. In future research and production, the recovery process of main metals and other valuable metals should be considered, with the recovery …

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  • US9982326B2 Solvent extraction of scandium from leach

    US9982326B2 Solvent extraction of scandium from leach

    A method for isolatingscandiumvalues is provided. The method includes extractingscandiumvalues from a leachate with an organic solvent, thereby obtaining ascandium-loaded organic solvent, wherein the leachate contains iron andscandiumions, and wherein the organic solvent contains a primary amine. Thescandiumvalues are then stripped from thescandium-loaded solvent with a stripping ...

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  • (PDF)Solvent extraction behaviour of scandium from

    (PDF)Solvent extraction behaviour of scandium from

    As a result of thisstudy, DEHPA and Primene JMT were found to have highscandium extractionefficiencies with lower impurity co-extractions at pH=0.55 with O/A phase ratio 1/1. Mixed hydroxide ...

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  • Separation and purification of scandiumby solvent

    Separation and purification of scandiumby solvent

    Mixed extractants or synergistic systems for the solvent extraction of scandium have been developed. Extraction efficiencies are influenced by extraction conditions such as aqueous matrixes and acidities, types of diluents and A/O ratios.

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  • (PDF)Experimental Study of Pre concentrationfrom

    (PDF)Experimental Study of Pre concentrationfrom

    The results showed that theextraction of scandiumcould reach 99% under the condition sof solution pH value of 0.6, P507 amount of 8%, A/O of 15 andextractiontime of 6 min.

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  • Recovery of Rare Earth Elements Present inMiningTails

    Recovery of Rare Earth Elements Present inMiningTails

    The rare earth elements (REE) include the group of 15 lanthanides,scandiumand yttrium and have diverse applications in technological and nuclear areas. The existence of REE in massive solidminingwastes generated in leaching processes of copper minerals in the Atacama region of Chile generates the possibility of creating added value to the treatment of this type of waste and supporting the ...

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  • Studyof the process ofextractionof 1,10 phenanthroline

    Studyof the process ofextractionof 1,10 phenanthroline

    1. The mechanism of theextraction of scandiumthiocyanate with1,10-phenanthroline and collidineagainst a background of NaCl and NaNO3 was studied by the method of mathematical planning ofexperiments(the method of two-dimensional cross sections). 2. In the case of the 1,10-phenanthroline-thiocyanatecomplex, the background electrolyte NO 3 − is inserted into thecomplex; in the case of ...

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  • Recoveryof scandiumand neodymium from blast furnace slag

    Recoveryof scandiumand neodymium from blast furnace slag

    Abstract. The current study puts the emphasis on developing a pyro-hydrometallurgical process, called acid baking–water leaching, to recover scandium and neodymium from blast furnace slag produced by the ironmaking industry. In this process, the feed is mixed with concentrated sulfuric acid, digested at 200–400 °C, and leached in water at ambient conditions.

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  • Major Mines Projects MiningIntelligence and News

    Major Mines Projects MiningIntelligence and News

    Ascandiumoxide product will also be produced by theextraction of scandiumfrom the nickel cobalt eluate produced in cRIP withscandiumliquid ion exchange (LIX),scandiumrefining and calcination. The final slurry/solutions after metal recovery are neutralised with limestone and sent to a tailings storage facility (“TSF”) or an ...

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  • Method for recoveringscandiumvalues from leach solutions

    Method for recoveringscandiumvalues from leach solutions

    The method includes providing a scandium-bearing ore; subjecting the scandium-bearing ore to an acid leaching process, thereby obtaining a leachate, wherein the pH of the leachate is less than 1.5; extracting scandium values from the leachate with an organic solvent, thereby obtaining a scandium-loaded organic solvent, wherein the leachate contains iron and scandium ions, and wherein the organic solvent …

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  • Optimizing Conditions for Scandium Extractionfrom Bauxite

    Optimizing Conditions for Scandium Extractionfrom Bauxite

    In thisstudy, the optimizationof scandium extraction from bauxite residuewith sulfuric acid is investigated using Taguchi methodology. Based on previousstudies, acid molarity, leaching time, solid/liquid ratio, and reaction temperature were selected as …

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  • WhyScandiumSolventExtractionIs Better Than Traditional

    WhyScandiumSolventExtractionIs Better Than Traditional

    Nigel Ricketts, our Process Engineering expert and Manager ofStudiesin Queensland, recently presented a paper at TMS 2019 in Texas onscandiumsolventextraction. If you are a process engineer interested inscandiumprocessing techniques, or aminingprofessional looking atscandiumopportunities, this condensed version of the technical paper might be of interest to you.

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  • (PDF) Accepted Manuscript Recoveryof scandiumfrom

    (PDF) Accepted Manuscript Recoveryof scandiumfrom

    Thescandium extractionwith the primary amine extractant Primene JMT was also reached over 99% at pH 2.0. Iron co-extractionwas high for Ionquest 801, D2EHPA and Primene JMT with over 54% extracted.Scandium extractionwith Versatic 10, LIX 984N and LIX54-100 was only 1-2%.

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  • Acomparative thermodynamic study of the formationof

    Acomparative thermodynamic study of the formationof

    The complexationof scandium(III) by various polyaminopolycarboxylic ligands (DTPA and DOTA) was studied by capillary electrophoresis with ICP-MS detection in 0.1 mol L −1 NaCl ionic strength solutions at 25 °C.The results confirmed the formation of the 1 : 1 complexes for Sc(III)–DOTA and Sc(III)–DTPA systems.For eachcomplex, the thermodynamic conditional constant was determined from ...

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  • US9102999B2 Methods of recoveringscandiumfrom titanium

    US9102999B2 Methods of recoveringscandiumfrom titanium

    A method for selectively removingscandiumfrom ascandium-containing feed solution includes contacting thescandium-containing feed solution with a solvent stream in plural stages using cross currentextraction, in which the solvent is loaded with at least a portion of thescandiumfrom the feed solution, and/or ion exchange, and separating the loaded solvent from remainingscandium...

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  • Major Mines Projects Owendale Red Heart Project

    Major Mines Projects Owendale Red Heart Project

    The process flowsheet is designed to recoverscandiumvia high pressure acid leaching and solventextraction(SX), including:-An ore preparation circuit incorporating crushing, screening and grinding;-Ore slurry from the ball mill is heated in self-cleaning indirect heat exchangers, using a thermal fluid.

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  • Nyngan Scandium Project, New South Wales Mining

    Nyngan Scandium Project, New South Wales Mining

    TheNyngan ScandiumProject is located approximately 25km west of the town ofNynganand 500km north-west of Sydney, New South Wales (NSW), Australia.ScandiumInternationalMining’sNyngan ScandiumProject is the world’s firstscandium-only mine development project. The …

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  • Thebiogeochemicalcycling of iron, copper, nickel

    Thebiogeochemicalcycling of iron, copper, nickel

    Scandiumdisplayed similar trends to Fe, reinforcing the limited observations of the physicochemical similarities between these two elements in seawater. Overall, thisstudyhighlights distinct impacts of photochemical processes, scavenging, and biological effects on marine trace metal cycling in an environment characterized by seasonal upwelling.

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  • Recoveryof Scandiumby Crystallization Techniques (pdf

    Recoveryof Scandiumby Crystallization Techniques (pdf

    In the presentstudy, the crystallization of an ammoniumscandiumfluoride phase by cooling and antisolvent crystallization techniques is presented. Cooling crystallization gave a low yield of ammoniumscandiumhexafluoride, (NH4)3ScF6, below 50% at the lowest temperature of 1 °C investigated.

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