Resource Recovery of Waste Nd–Fe–B Scrap: Effective Separation of Fe as High-Purity Hematite Nanoparticles
Abstract
:1. Introduction
2. Materials and Methods
2.1. Scrap Dissolution
2.2. Precipitation of Fe Impurity
2.3. Characterisation
3. Results and Discussion
3.1. Fructose Dosage Optimisation
3.2. Composition of Residual Acid after Fe Removal
3.3. Hydrothermal Time Optimisation at the Optimal Fructose Dosage
3.4. Hematite Precipitation Mechanism
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Zhu, S.; Su, T.; Chen, Y.; Qu, Z.; Lin, X.; Lu, Y.; Huo, M. Resource Recovery of Waste Nd–Fe–B Scrap: Effective Separation of Fe as High-Purity Hematite Nanoparticles. Sustainability 2020, 12, 2624. https://doi.org/10.3390/su12072624
Zhu S, Su T, Chen Y, Qu Z, Lin X, Lu Y, Huo M. Resource Recovery of Waste Nd–Fe–B Scrap: Effective Separation of Fe as High-Purity Hematite Nanoparticles. Sustainability. 2020; 12(7):2624. https://doi.org/10.3390/su12072624
Chicago/Turabian StyleZhu, Suiyi, Ting Su, Yu Chen, Zhan Qu, Xue Lin, Ying Lu, and Mingxin Huo. 2020. "Resource Recovery of Waste Nd–Fe–B Scrap: Effective Separation of Fe as High-Purity Hematite Nanoparticles" Sustainability 12, no. 7: 2624. https://doi.org/10.3390/su12072624