The Removal of Strontium Ions from an Aqueous Solution Using Na-A Zeolites Synthesized from Kaolin
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Adsorption Performance and Characterization
2.2.1. Adsorption Kinetic Models
2.2.2. Adsorption Isotherm Models
3. Results
3.1. Adsorption Kinetics of Sr2+
3.2. Adsorption Isotherms of Sr2+
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Sample | * C0 | qe,exp | Pseudo-First-Order Model | Pseudo-Second-Order Model | ||||
---|---|---|---|---|---|---|---|---|
(mmol/L) | (mmol/g) | qe (mmol/g) | k1 (1/h) | r2 | qe (mmol/g) | k2 (mmol/g‧h) | r2 | |
ZK06 | 2.56 | 1.36 | 0.5587 | 0.0334 | 0.6319 | 1.3918 | 0.0442 | 0.9849 |
ZK09 | 2.56 | 1.71 | 1.1294 | 0.0089 | 0.9157 | 1.7845 | 0.0648 | 0.9965 |
Sample | Langmuir Model | Freundlich Model | ||||
---|---|---|---|---|---|---|
qm (mmol/g) | kL (L/mmol) | r2 | kF (mmol/g∙(L/mmol)1/n) | 1/n | r2 | |
ZK06 | 1.90 | 0.8190 | 0.9980 | 1.6747 | 0.1521 | 0.8552 |
ZK09 | 2.42 | 0.1237 | 0.9963 | 2.2096 | 0.1185 | 0.9222 |
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Lim, W.-R.; Lee, C.-H.; Lee, C.-M. The Removal of Strontium Ions from an Aqueous Solution Using Na-A Zeolites Synthesized from Kaolin. Materials 2024, 17, 575. https://doi.org/10.3390/ma17030575
Lim W-R, Lee C-H, Lee C-M. The Removal of Strontium Ions from an Aqueous Solution Using Na-A Zeolites Synthesized from Kaolin. Materials. 2024; 17(3):575. https://doi.org/10.3390/ma17030575
Chicago/Turabian StyleLim, Woo-Ri, Chang-Han Lee, and Chung-Mo Lee. 2024. "The Removal of Strontium Ions from an Aqueous Solution Using Na-A Zeolites Synthesized from Kaolin" Materials 17, no. 3: 575. https://doi.org/10.3390/ma17030575