Properties of Phosphorus-Slag-Based Cementitious Pastes for Stabilizing Lead
Abstract
:1. Introduction
2. Materials and Methods
2.1. Solidified Materials
2.2. Experimental Methods
2.2.1. Stabilization Experiment
2.2.2. Leaching Toxicity Experiment
2.2.3. Microstructure Analysis
3. Results and Discussion
3.1. Solidification Properties
3.2. XRD Analysis
3.3. EDS-SEM Analysis
3.4. FTIR Analysis
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Materials | CaO | SiO2 | Al2O3 | MgO | SO3 | Fe2O3 | P2O5 | F |
---|---|---|---|---|---|---|---|---|
PP | 45.3 | 42.1 | 3.31 | 1.77 | -- | 1.31 | 3.67 | 2.49 |
BS | 38.7 | 29.9 | 15.9 | 8.0 | 3.7 | 1.2 | -- | -- |
CC | 65.5 | 20.0 | 4.4 | 1.6 | 1.9 | 3.3 | -- | 0.3 |
PC | 45.87 | 27.37 | 10.46 | 6.68 | 2.64 | 2.29 | -- | -- |
Lead (wt.%) | Lead Concentration of Samples Cured With PC (mg/L) | Lead Concentration of Samples Cured With PS (mg/L) | ||||
---|---|---|---|---|---|---|
3 days | 7 days | 28 days | 3 days | 7 days | 28 days | |
0.31 | 0.086 | 0.352 | N/A | 0.033 | 0.046 | N/A |
0.63 | 0.258 | 2.891 | 1.810 | 1.076 | 0.472 | 0.311 |
1.26 | 0.648 | 1.537 | 1.551 | 1.761 | 0.958 | 0.622 |
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Huang, X.; Liu, L.; Zhao, X.; Tang, C.; Wang, X. Properties of Phosphorus-Slag-Based Cementitious Pastes for Stabilizing Lead. Materials 2019, 12, 3831. https://doi.org/10.3390/ma12233831
Huang X, Liu L, Zhao X, Tang C, Wang X. Properties of Phosphorus-Slag-Based Cementitious Pastes for Stabilizing Lead. Materials. 2019; 12(23):3831. https://doi.org/10.3390/ma12233831
Chicago/Turabian StyleHuang, Xuquan, Liang Liu, Xiaorong Zhao, Cilai Tang, and Xiaoshu Wang. 2019. "Properties of Phosphorus-Slag-Based Cementitious Pastes for Stabilizing Lead" Materials 12, no. 23: 3831. https://doi.org/10.3390/ma12233831