Selective rare earth element extraction using high-pressure acid leaching of slags arising from the smelting of bauxite residue
Rodolfo Marin Rivera,Buhle Xakalashe,Ghania Ounoughene,Koen Binnemans,Bernd Friedrich,Tom Van Gerven +5 more
TLDR
In this article, six different slags generated by reductive smelting of the same bauxite residue sample were treated by high-pressure acid leaching (HPAL) with HCl and H2SO4 to selectively extract rare earth elements (REEs).About:
This article is published in Hydrometallurgy.The article was published on 2019-03-01 and is currently open access. It has received 42 citations till now. The article focuses on the topics: Red mud & Bauxite.read more
Citations
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Evaluation of red mud as a polymetallic source – A review
Shrey Agrawal,Nikhil Dhawan +1 more
TL;DR: A critical overview of the laboratory, pilot, and commercial processes employed to recover iron, aluminum, titanium, scandium, and REEs from various red muds is presented in this paper.
Journal ArticleDOI
Extraction of Valuable Elements from Red Mud with a Focus on Using Liquid Media—A Review
Dmitry Zinoveev,Liliya Pasechnik,Mikhail Fedotov,V. G. Dyubanov,Pavel Grudinsky,Andrey Alpatov +5 more
TL;DR: In this article, a critical review of hydrometallurgical, solvometallurgical and complex methods for the recovery of valuable components from red mud, namely, aluminum, titanium, sodium, and rare and rare-earth elements.
Journal ArticleDOI
Recovery of scandium from various sources: a critical review of the state of the art and future prospects
A. B. Botelho Junior,Denise Crocce Romano Espinosa,James Vaughan,Jorge Alberto Soares Tenório +3 more
TL;DR: The question “is it possible to have an ecofriendly process for scandium extraction?” was answered providing diversified opportunities, demonstrating that the current development would achieve goals 7, 8, 9, and 12 of the 17 sustainable development goals of the United Nations.
Journal ArticleDOI
Quaternization of algal/PEI beads (a new sorbent): Characterization and application to scandium sorption from aqueous solutions
TL;DR: In this article, an efficient polyethyleneimine beads (APEI) was successfully quaternized to prepare an efficient sorbent (Q-APEI), which was used for scandium recovery.
Journal ArticleDOI
Kinetics and mechanisms of leaching of rare earth elements from secondary resources
TL;DR: In this article , a review of the state of the art on various kinetics approaches describing the leaching kinetics and mechanisms of REEs extraction processes from secondary resources is presented, including low-grade minerals, industrial residues, and end-of-life products.
References
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Christopher W. Bale,Eve Bélisle,Patrice Chartrand,Sergei A. Decterov,Gunnar Eriksson,Aïmen E. Gheribi,Klaus Hack,In-Ho Jung,Youn-Bae Kang,J. Melancon,Arthur D. Pelton,Stephan Petersen,Christian Robelin,J. Sangster,P.J. Spencer,M-A. Van Ende +15 more
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Bauxite residue issues: I. Current management, disposal and storage practices
TL;DR: In this paper, a review of current management practices for disposal and amendment of bauxite residue is presented, and how each unit process influences residue properties. But the most immediate and apparent barrier to remediation and utilization (improved sustainability) is its high alkalinity and sodicity.
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Bauxite residue issues: II. options for residue utilization
TL;DR: In this article, a review of public domain information on bauxite residue re-use is presented, with a focus on the few highest volume uses of lowest risk, where the authors examine the reasons for inaction on residue use: volume, performance, cost and risk with the last two probably being paramount.
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Towards zero-waste valorisation of rare-earth-containing industrial process residues: a critical review
TL;DR: In this paper, the authors discuss the possibilities to recover rare earths from industrial waste streams, which contain only low concentrations of rare-earth elements, but are available in very large volumes and could provide significant amounts of rare Earths.
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