Nanofiltration-enhanced solvent extraction of scandium from TiO acid waste
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Authors
Yagmurlu, Bengi
Huang, Danyu
Dittrich, Carsten
Constable, Edwin
Friedrich, Bernd
Author (Corporation)
Publication date
27.04.2022
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Type
01A - Journal article
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Parent work
ACS Sustainable Chemistry & Engineering
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DOI of the original publication
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Volume
10
Issue / Number
18
Pages / Duration
6063-6071
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Publisher / Publishing institution
American Chemical Society
Place of publication / Event location
Washington
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Abstract
Scandium is a critical raw material with a technological potential to reduce transportation costs and CO2 emissions. However, global supply and market adoption are crucially impaired by the lack of high-grade Sc ores and recovery strategies. A tandem nanofiltration solvent extraction route is demonstrated to enable effective Sc recovery from real-world acid waste from the chloride TiO2 production route. The process involving several filtration stages, solvent extraction, and precipitation was optimized, ultimately producing >97% pure (NH4)3ScF6.
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Subject (DDC)
500 - Naturwissenschaften
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ISBN
ISSN
2168-0485
Language
English
Created during FHNW affiliation
Yes
Strategic action fields FHNW
Publication status
Published
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Peer review of the complete publication
Open access category
Green
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Citation
YAGMURLU, Bengi, Danyu HUANG, Oliver VON ARX, Carsten DITTRICH, Edwin CONSTABLE, Bernd FRIEDRICH, Sebastian HEDWIG und Markus LENZ, 2022. Nanofiltration-enhanced solvent extraction of scandium from TiO acid waste. ACS Sustainable Chemistry & Engineering. 27 April 2022. Bd. 10, Nr. 18, S. 6063–6071. DOI 10.1021/acssuschemeng.2c01056. Verfügbar unter: https://doi.org/10.26041/fhnw-4763