Extraction of Rare Earth Metals from Coal Ash Using Mild Lixiviants in a Single Step Process

Banerjee, Riya and Chakladar, S and Chakravarty, S (2022) Extraction of Rare Earth Metals from Coal Ash Using Mild Lixiviants in a Single Step Process. In: 8th Symposium on Rare Metal Extraction and Proceeding at the The-Minerals-Metals-Materials-Society (TMS)Annual Meeting, February 27-March 03, 2022, Anaheim, C A.

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The redemption of Rare Earth Elements from coal ash has multifarious advantages in the utilization of waste and also as a way to minimize unnecessary mining. There is a significant escalation in the quantity of coal ash production, as well as the need for REE in modern-day advanced technological products. The utilization of coal ash, knowing its REE enrichment, has been a persistent area of research and development. Our approach is to extract REEs from coal ash in a non-destructive way utilizing the least quantity of relatively eco-friendly lixiviant. The novelty lies in efficient and selective leaching of REE using milder and less corrosive reagents compared to mineral acids. Our research group is currently engaged in exploring the leaching potential and kinetics of novel organic lixiviants which can leach REEs (similar to 60-70%) using lower quantities (2-10%), preferably in a single step. Interesting findings from our experimental work will be discussed

Item Type:Conference or Workshop Item (Paper)
Official URL/DOI:https://10.1007/978-3-030-92662-5_6
Uncontrolled Keywords:Coal ash, rare earth elements, leaching, elements
Divisions:Material Science and Technology
ID Code:8826
Deposited By:Dr Mita Tarafder
Deposited On:13 Jun 2022 14:11
Last Modified:13 Jun 2022 14:11
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