Adsorption of Magenta Dye on PbO Doped MgZnO: Interpretation of Statistical Physics Parameters Using Double-Layer Models
Abstract
:1. Introduction
2. Experimental
2.1. Chemicals and Materials
2.2. Preparation of PbO@MgZnO
2.3. Characterization
2.4. Mathematical Modeling for the MD Adsorption
3. Results and Discussion
3.1. Properties of PbO@MgZnO
3.2. Effect of pH Variation, Contact Time, and Adsorbent Dose
3.3. Rate of Adsorption and Thermodynamic Parameter
4. Interpretation of the Steric Parameters
5. Reuse of PbO@MgZnO
6. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Kinetic Model Parameters | ||||||
---|---|---|---|---|---|---|
Concentration (ppm) | 10 | 20 | 50 | 100 | 150 | 200 |
Kadgmg−1 min−1 | 0.0415 | 0.0136 | 0.0026 | 0.0018 | 0.0012 | 0.0013 |
qe (mg/g) | 10.64 | 21.74 | 52.63 | 100.00 | 166.67 | 333.33 |
R2 | 0.999 | 0.999 | 0.998 | 0.998 | 0.999 | 0.999 |
Langmuir | Freundlich | ||
---|---|---|---|
KL | 32.25 | log Kf | 2.176 |
qmax = KL/αL | 333.33 | 1/n | 0.287 |
R2 | 0.99 | R2 | 0.997 |
Temperature (K) | Nm (mg/g) | n | Nt = 1 + N2 | ε1 (kJ/mol) | ε2 (kJ/mol) | Qsat (mg/g) |
---|---|---|---|---|---|---|
298 | 210 | 0.385 | 1.002 | 11.195 | 44.744 | 81.011 |
308 | 75 | 0.290 | 1.001 | 12.643 | 55.225 | 21.771 |
318 | 4.5 | 0.280 | 1.0001 | 13.107 | 57.018 | 1.260 |
Temperature | 298 | 308 | 318 | |||
---|---|---|---|---|---|---|
(K) | R2 | RMSE | R2 | RMSE | R2 | RMSE |
Model 1 | 0.988 | 0.6168 | 0.995 | 1.8782 | 0.992 | 9.094 |
Model 2 | 0.983 | 0.6899 | 0.996 | 1.3724 | 0.994 | 0.836 |
Model 3 | 0.997 | 1.4534 | 0.998 | 5.415 | 0.998 | 4.157 |
Adsorbent | Qmax (mg/g) | Reference |
---|---|---|
Thorn apple leaf powder | 1.059 | [57] |
Graphene oxide modified sugarcane bagasse | 145 | [58] |
H2SO4 activated immature Gossypium Hirsutum seeds | 86.24 | [59] |
Gracilaria edulis algae | 1250 | [60] |
Lyngbya wollei algae | 333 | [60] |
Fe/Cu nanocomposites | 235 | [61] |
Natural Clay | 198 | [62] |
PbO@MgZnO | 333 | Present study |
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Altalhi, T.; Jethave, G.; Fegade, U.; Mersal, G.A.M.; Ibrahim, M.M.; Mahmoud, M.H.H.; Kumeria, T.; Isai, K.A.; Sonawane, M. Adsorption of Magenta Dye on PbO Doped MgZnO: Interpretation of Statistical Physics Parameters Using Double-Layer Models. Int. J. Environ. Res. Public Health 2022, 19, 12199. https://doi.org/10.3390/ijerph191912199
Altalhi T, Jethave G, Fegade U, Mersal GAM, Ibrahim MM, Mahmoud MHH, Kumeria T, Isai KA, Sonawane M. Adsorption of Magenta Dye on PbO Doped MgZnO: Interpretation of Statistical Physics Parameters Using Double-Layer Models. International Journal of Environmental Research and Public Health. 2022; 19(19):12199. https://doi.org/10.3390/ijerph191912199
Chicago/Turabian StyleAltalhi, Tariq, Ganesh Jethave, Umesh Fegade, Gaber A. M. Mersal, Mohamed M. Ibrahim, M.H.H. Mahmoud, Tushar Kumeria, Kalpesh A. Isai, and Milind Sonawane. 2022. "Adsorption of Magenta Dye on PbO Doped MgZnO: Interpretation of Statistical Physics Parameters Using Double-Layer Models" International Journal of Environmental Research and Public Health 19, no. 19: 12199. https://doi.org/10.3390/ijerph191912199