A Comparison Study on the Arsenate Adsorption Behavior of Calcium-Bearing Materials
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Experimental Methods
2.2.1. Preparation of Arsenic-Containing Aqueous Solution
2.2.2. Adsorption Experiment
2.3. Characterizations of Calcium-Bearing Materials
3. Results and Discussion
3.1. Characteristics of CaO
3.2. The As(V) Removal Capacities of Three Calcium-Bearing Materials at Different Initial Concentrations
3.3. Effects of Adsorption Time on the As(V) Removal Capacities of Three Calcium-Bearing Materials
3.4. Mechanism Analysis
3.4.1. Analysis of Particle Morphologies and Specific Surface Areas
3.4.2. Analysis of Effective Calcium Content
3.5. Chemical Stability of Three Calcium-Bearing Materials before and after Adsorption of As(V)
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Material Names | m0 (g) | n1 (10−2 mmol) | n2 (10−2 mmol) | n3 (10−2 mmol) | n4 (10−2 mmol) |
---|---|---|---|---|---|
CaO | 0.17 | 2.89 | 1.69 | 42.00 | 43.70 |
CaF2 | 0.20 | 2.24 | 9.43 | 0.38 | 9.81 |
CaCO3 | 0.20 | 3.14 | 2.90 | 0.13 | 3.03 |
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Wang, H.; Zhu, H. A Comparison Study on the Arsenate Adsorption Behavior of Calcium-Bearing Materials. Materials 2019, 12, 1936. https://0-doi-org.brum.beds.ac.uk/10.3390/ma12121936
Wang H, Zhu H. A Comparison Study on the Arsenate Adsorption Behavior of Calcium-Bearing Materials. Materials. 2019; 12(12):1936. https://0-doi-org.brum.beds.ac.uk/10.3390/ma12121936
Chicago/Turabian StyleWang, Han, and Hong Zhu. 2019. "A Comparison Study on the Arsenate Adsorption Behavior of Calcium-Bearing Materials" Materials 12, no. 12: 1936. https://0-doi-org.brum.beds.ac.uk/10.3390/ma12121936