Effect of Comminution Methods on Low-Rank Coal Bubble–Particle Attachment/Detachment: Implications for Flotation
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials and Sample Preparation
2.2. Dynamic Image Particle Analysis
2.3. Scanning Electron Microscopy (SEM)
2.4. X-ray Photoelectron Spectrometry (XPS)
2.5. Bubble–Particle Wrap Angle Experiment
2.6. Bubble–Particle Attachment/Detachment Test
2.7. Flotation Procedure
3. Results and Discussion
3.1. Particle Shapes Analysis
3.2. SEM Results
3.3. XPS Results
3.4. Bubble–Particle Wrap Angle Analysis
3.5. Bubble–Particle Attachment/Detachment Analysis
3.6. Flotation Results
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Name | Atomic Ratio of Rod-Milled Products % | Atomic Ratio of Crushed Products % | Difference% |
---|---|---|---|
C1s | 67.09 | 65.79 | 1.30 |
O1s | 23.73 | 24.52 | −0.79 |
Si2p | 3.60 | 3.62 | −0.02 |
Al2p | 3.03 | 2.90 | 0.13 |
Na1s | 0.59 | 0.00 | 0.59 |
N1s | 1.23 | 2.13 | −0.90 |
Cl2p | 0.52 | 0.00 | 0.52 |
Zn2p3 | 0.21 | 1.04 | −0.83 |
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Rong, G.; Xia, Y.; Zhang, Y.; Guo, F.; Wang, D.; Zhang, R.; Xing, Y.; Gui, X. Effect of Comminution Methods on Low-Rank Coal Bubble–Particle Attachment/Detachment: Implications for Flotation. Minerals 2019, 9, 452. https://doi.org/10.3390/min9070452
Rong G, Xia Y, Zhang Y, Guo F, Wang D, Zhang R, Xing Y, Gui X. Effect of Comminution Methods on Low-Rank Coal Bubble–Particle Attachment/Detachment: Implications for Flotation. Minerals. 2019; 9(7):452. https://doi.org/10.3390/min9070452
Chicago/Turabian StyleRong, Guoqiang, Yangchao Xia, Youfei Zhang, Fangyu Guo, Dongyue Wang, Rui Zhang, Yaowen Xing, and Xiahui Gui. 2019. "Effect of Comminution Methods on Low-Rank Coal Bubble–Particle Attachment/Detachment: Implications for Flotation" Minerals 9, no. 7: 452. https://doi.org/10.3390/min9070452