Bioleaching of Pyrrhotite with Bacterial Adaptation and Biological Oxidation for Iron Recovery
Abstract
:1. Introduction
2. Materials and Methods
2.1. Mine Waste and Pyrrhotite
2.2. Microbes
2.2.1. Collection and Cultivation of Microbes
2.2.2. Identification of the Bacterial Strain
2.3. Adaption of Iron-Resistant Bacteria
2.4. Bioleaching Experiments
3. Results and Discussion
3.1. Pyrrhotite in the Mine Waste
3.2. Bacterial Adaptation
3.3. pH and ORP Changes through Pyrrhotite Bioleaching
3.4. Fe recovery from Pyrrhotite Bioleaching
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Experimental Conditions | EI (mg/L) | k (1/Day) | R2 | |
---|---|---|---|---|
pHini 2.8 | non-adaptation | 21.6 | 0.08 | 0.93 |
adaptation | 44.2 | 0.09 | 0.93 | |
pHini 3.2 | non-adaptation | 19.8 | 0.14 | 0.91 |
adaptation | 21.3 | 0.14 | 0.90 |
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Kim, B.-J.; Koh, Y.-K.; Kwon, J.-S. Bioleaching of Pyrrhotite with Bacterial Adaptation and Biological Oxidation for Iron Recovery. Metals 2021, 11, 295. https://doi.org/10.3390/met11020295
Kim B-J, Koh Y-K, Kwon J-S. Bioleaching of Pyrrhotite with Bacterial Adaptation and Biological Oxidation for Iron Recovery. Metals. 2021; 11(2):295. https://doi.org/10.3390/met11020295
Chicago/Turabian StyleKim, Bong-Ju, Yong-Kwon Koh, and Jang-Soon Kwon. 2021. "Bioleaching of Pyrrhotite with Bacterial Adaptation and Biological Oxidation for Iron Recovery" Metals 11, no. 2: 295. https://doi.org/10.3390/met11020295