Toward sustainable recovery of iron and rare metals from red mud via electrothermal shock-induced metastable phase engineering

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Green Chem., 2026, Advance Article
DOI: 10.1039/D6GC01682K, Paper
Juanli Yuan, Chen Sun, Xinyue Wang, Wanchen Zhu, Jie Chen, Xiaoqing Lin, Yuntong Kang, Xiaofeng Gao, Yi Yang, Zhiliang Chen, David S. Kosson
A reagent-free flash Joule heating method transforms red mud with the extraction efficiency of Fe, Sc, and Ga increased by 266, 60.6, and 71.6%, respectively, while reducing carbon emissions by over 77% compared with conventional roasting.
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