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DOI: 10.1016/S0304-386X(96)00070-9 Corpus ID: 95903567; The investigation of sulphuric acid sorption recovery of scandium and uranium from the red mud of alumina production @article{Smirnov1997TheIO, title={The investigation of sulphuric acid sorption recovery of scandium and uranium from the red mud of alumina production}, …
Metallurgical processes for aluminum, sodium, iron, titanium, vanadium, scandium and other valuable elements recovery from red mud are investigated in detail by subsequent sections. ... Red mud or red sludge is a solid waste produced in the process of alumina extraction from bauxite ores. It has a rusty red tint, which arises from the …
Recovery of scandium from uranium plant iron sludge and from wolframite concentrates: Ross, J. Richard., .: Books
Figure 2 shows the extraction diagram for recovery of scandium from iron sludge solution of 0.3 g/L using 10 volume percent Primene JM-T in kerosene. Fig. 2. Equilibrium extraction isotherm for recovery of scandium from …
The global production rate of scandium is estimated at about 10–15 tonnes per year (U.S. Geological Survey, 2019) However, considering the global annual market for aluminum, if only a small fraction of Al (0.1%) absorbs scandium in alloys at a level of 0.5%, the annual global demand for scandia will increase to 350–400 tonnes (Reid et al ...
Scandium Recovery Methods from Mining, Metallurgical Extractive Industries, and Industrial Wastes. Ali Dawood Salman, 1,2 Tatjána Juzsakova, 1 Saja …
The solvent extraction method for extracting scandium from titanium dioxide waste acid is usually accompanied by co-extraction of titanium. In this paper, the scandium and titanium separation of the Sc(III) and Ti(IV)-loaded organic phase and the recovery of scandium were studied. A new scrubbing agent containing Na3Cit and …
The current world supply is small at 15–20 tonnes per year and is largely serviced by scandium by-product recovery from production of other metals. ... Recovery of Scandium from Uranium Plant Iron Sludge and from Wolframite Concentrates, USBM report RI6580. Google Scholar Wang W, Pranolo Y, Cheng CY (2011) Metallurgical …
RECOVERY OF SCANDIUM FROM URANIUM PLANT IRON SLUDGE AND FROM WOLFRAMITE CONCENTRATES @inproceedings{Ross1964RECOVERYOS, …
Production db0nus869y26vcloudfrontThe method for extracting scandium from the red mud of. Red mud also known as bauxite tailings red sludge bauxite residue or alumina refinery residues ARR is a highly alkaline waste product composed mainly of iron oxide that is generated in the industrial production of alumina aluminium oxide the principal raw …
The starting material for scandium recovery is slurry of chlorination residue that is obtained from a repulped chlorination residue with industrial water (this residue was provided by Toho Titanium Co ., Ltd.). Reagents, such as 35% hydrochloric acid (HCl), 24% sodium-hydroxide solution, bis(2-ethylhexyl) phosphate (D2EHPA), tributyl phosphate ...
U.S. sewage sludges were analyzed for 58 regulated and nonregulated elements by ICP-MS and electron microscopy to explore …
The separation and recovery of scandium and titanium from hydrolyzed sulfuric acid solution of titanium dioxide production using solvent extraction was investigated. A mixed solution of Na 3 PO 4 and H 2 O 2 was used to selectively scrub titanium from the loaded organic solution containing scandium and titanium. The results …
After one SX with the C272, C302, and C301 extractants, the scandium recovery effi- ciency was about 82%, 78%, a nd 75%, respectively, with concentrati ons of sulfuric acid of 1.5, 3.5 and 5.8 mol ...
In recent years, an increase in demand for scandium has been hampered by a lack of supply. This has driven the development of several projects where scandium …
Anawati, J. & Azimi, G. Recovery of scandium from Canadian bauxite residue utilizing acid baking followed by water leaching. Waste Manag. 95, 549–559 (2019). Article CAS PubMed Google Scholar
Scandium Solvent Extraction. January 2019. DOI: 10.1007/978-3-030-05864-7_174. In book: Light Metals 2019 (pp.1395-1401) Authors: Nigel Jeffrie Ricketts. Altrius Engineering Services. To read the ...
From Trace to Pure: Pilot-Scale Scandium Recovery from TiO 2 Acid Waste. ... In the bench-scale tests, 1 L of sludge was removed using a bag filter of 1.9 L volume (ratio of 0.53). 10 In the pilot phase, 250 L of sludge (stream 4) was separated using two bag filters of 17 L each (ratio of 7.4). As a result, the bag filters had to be emptied ...
From Trace to Pure: Pilot-Scale Scandium Recovery from TiO2 Acid Waste | ACS Sustainable Chemistry & Engineering. RETURN TO ISSUE PREV Research Article NEXT. From Trace to Pure: Pilot-Scale …
Scandium recovery using a leaching/ion exchange process may be possible with efficiency higher than 90%. The greatest challenge is the occurrence of silica gel formation during leaching. Read more
Information about scandium extraction by ion-exchange is very scarce [9]. Mukherjee et al. [2] studied the recovery of pure vanadium oxide from Bayer sludge by adsorption on activated carbon from solution. Riveros [10] reports on the extraction of gallium from a real Bayer solution with the commercial resin Duolite ES-346.
earth metals is increasing. Scandium, which is often considered a rare earth element (REE), is a. critical metal mainly used in solid oxide fuel cells (SOFCs) and high strength aluminum alloys ...
Scandium (Sc), declared a critical raw material in the European Union (EU), could face further supply issues as the EU depends almost entirely on imports from China, Russia, and Ukraine. In this study, a tandem nanofiltration-solvent extraction procedure for Sc recovery from titania (TiO2) acid waste was piloted and then augmented by …
Recovery of pure vanadium oxide from Bayer sludge. Miner. Eng. (1990) P.A. Riveros Recovery of gallium from Bayer liquors with an amidoxime resin ... speed, pulp density, temperature and leaching duration on the leaching efficiency were studied. It was found that the scandium dissolution can reach up to 94% in 0.75 mol/L of the acid at a ...
Red mud or red sludge is a solid waste produced in the process of alumina extraction from bauxite ores. It has a rusty red tint, which arises from the existence of ferric oxide. ... The result suggests that scandium recovery of over 75% at least can be achieved after the process of further leaching, solvent extraction, stripping and ...
Membrane electrodeposition approach shows promise for scandium and cerium recovery, but iron selectivity not observed. This technology may therefore be more appropriate REE recovery technology for non-iron rich streams such as coal ash. ... (REE) Recovery from Acid Mine Drainage Sludge}, author = {Hendren, Zachary and Kim, Gyu …
Enhanced leaching recovery of rare earth elements from a phosphatic waste clay through calcination pretreatment. Journal of Cleaner Production, 319, 128654. Anwar, R., Ahmed, M., Seat, P., Huang, Q., & Lin, LS. (2021). Prospect of utilizing coal mine drainage sludge as an iron source for value-creating applications. Reviews in Environmental ...
Recovery of scandium from uranium plant iron sludge and from wolframite concentrates / by J.R. Ross and C.H. Schack (1965) [Leatherbound] by Ross, J. Richard. and a great selection of related books, art and collectibles available now at AbeBooks.
1. Introduction. Scandium is the 31st abundant element in the Earth's crust, with an average crustal abundance of 22 ppm (Hedrick, 2010b).Because it readily substitutes the major elements such as iron and aluminium, scandium rarely occurs in concentrated quantities, but distributes sparsely in trace amounts in rocks consisting of …
Semantic Scholar extracted view of "RECOVERY OF SCANDIUM FROM URANIUM PLANT IRON SLUDGE AND FROM WOLFRAMITE CONCENTRATES" by J. Ross et al. ... @inproceedings{Ross1964RECOVERYOS, title={RECOVERY OF SCANDIUM FROM URANIUM PLANT IRON SLUDGE AND FROM WOLFRAMITE CONCENTRATES}, …
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