Low-Temperature Flotation Separation of Diaspore from Kaolinite by Using a Mixed Collector
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Reagents
2.3. Flotation Tests
2.4. Surface Tension Measurements
2.5. Zeta Potential Determinations
2.6. XPS Measurements
3. Results and Discussions
3.1. Micro-Flotation
3.2. Surface Tension Measurements
3.3. Zeta Potential Determinations
3.4. XPS Analysis
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | Al2O3 | SiO2 | TiO2 | Fe2O3 | CaO | MgO | K2O | Na2O |
---|---|---|---|---|---|---|---|---|
Diaspore | 80.77 | 0.89 | 2.76 | 0.756 | 0.01 | 0.053 | 0.008 | 0.025 |
Kaolinite | 33.68 | 45.44 | 0.97 | 0.88 | 0.24 | 0.077 | 0.89 | - |
Surfactants | CMC(mol/L) | (mN/m) | (mol/m2) | ||
---|---|---|---|---|---|
NaOl | 2 × 10−3 | 25.87 | 8.84 × 10−7 | 1.88 | 14.62 |
TDM | 8 × 10−3 | 45.61 | 2.01 × 10−6 | 0.83 | 11.36 |
NaOl/TDM | 1 × 10−3 | 25.13 | 1.55 × 10−6 | 1.07 | 16.25 |
Samples | Atomic Concentration of Elements (Atomic %) | ||||
---|---|---|---|---|---|
C | O | Al | Si | S | |
Diaspore | 18.58 | 57.37 | 19.71 | 4.33 | - |
Diaspore + NaOl | 47.51 | 36.22 | 12.96 | 3.31 | - |
∆a | 28.93 | −21.15 | −6.75 | −1.02 | - |
Diaspore | 18.58 | 57.37 | 19.71 | 4.33 | - |
Diaspore + NaOl/TDM | 53.42 | 32.52 | 11.45 | 2.45 | 0.17 |
∆a | 34.84 | −24.85 | −8.26 | −1.88 | - |
Kaolinite | 10.14 | 61.38 | 13.21 | 15.27 | - |
Kaolinite + NaOl | 21.26 | 53.16 | 12.16 | 13.42 | - |
∆a | 11.12 | −8.22 | −1.05 | −1.85 | - |
Kaolinite | 10.14 | 61.38 | 13.21 | 15.27 | - |
Kaolinite + NaOl/TDM | 21.29 | 52.83 | 12.34 | 13.47 | 0.08 |
∆a | 11.15 | −8.55 | −0.87 | −1.80 | - |
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Man, X.; Wang, C.; Yu, S.; Yang, X.; Liu, J.; Fu, Y.; Dong, Z.; Zhi, H.; Ou, L. Low-Temperature Flotation Separation of Diaspore from Kaolinite by Using a Mixed Collector. Minerals 2022, 12, 891. https://doi.org/10.3390/min12070891
Man X, Wang C, Yu S, Yang X, Liu J, Fu Y, Dong Z, Zhi H, Ou L. Low-Temperature Flotation Separation of Diaspore from Kaolinite by Using a Mixed Collector. Minerals. 2022; 12(7):891. https://doi.org/10.3390/min12070891
Chicago/Turabian StyleMan, Xiaofei, Chenliang Wang, Shichao Yu, Xiaofeng Yang, Jianjun Liu, Yafeng Fu, Zhenhai Dong, Hui Zhi, and Leming Ou. 2022. "Low-Temperature Flotation Separation of Diaspore from Kaolinite by Using a Mixed Collector" Minerals 12, no. 7: 891. https://doi.org/10.3390/min12070891