Efficient Removal of Polyvalent Metal Ions (Eu(III) and Th(IV)) from Aqueous Solutions by Polyurea-Crosslinked Alginate Aerogels
Abstract
:1. Introduction
2. Results and Discussion
2.1. Eu(III) Sorption
2.2. Th(IV) Sorption
2.3. Desorption Studies and Application to Wastewater Solutions
3. Conclusions
4. Experimental Section
4.1. Materials and Methods
4.2. Preparation and Characterization of X-Alginate Aerogels
4.3. Adsorption Experiments
4.4. Desorption Experiments
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Material | T (K) | pH | Max. Sorption Capacity (Langmuir) qmax (mg g−1) | Langmuir Constant KL (L mg−1) | BET Surf. Area σ (m2 g−1) | Bulk Density ρb (mg cm−3) | Max. Sorption Capacity qmax (mg cm−3) | Ref. |
---|---|---|---|---|---|---|---|---|
X-alginate aerogel | 298 | 3 | 211.12 | 0.019 | 459 a | 150 a | 27.9 | this work |
graphene nanoribbons aerogel | 298 | 3 | 380.4 | 0.020 | 597.4 | 6.2 | 2.36 | [34] |
poly(TRIM/VPA)-functionalized graphene oxide nanoribbons aerogel b | 298 | 3 | 457.9 | 0.045 | 433.2 | 10.6 | 4.85 | [35] |
PEI-functionalized graphene aerogel c | 298 | 2 | 38.17 | 0.0088 | 36.06 | [36] |
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Georgiou, E.; Pashalidis, I.; Raptopoulos, G.; Paraskevopoulou, P. Efficient Removal of Polyvalent Metal Ions (Eu(III) and Th(IV)) from Aqueous Solutions by Polyurea-Crosslinked Alginate Aerogels. Gels 2022, 8, 478. https://doi.org/10.3390/gels8080478
Georgiou E, Pashalidis I, Raptopoulos G, Paraskevopoulou P. Efficient Removal of Polyvalent Metal Ions (Eu(III) and Th(IV)) from Aqueous Solutions by Polyurea-Crosslinked Alginate Aerogels. Gels. 2022; 8(8):478. https://doi.org/10.3390/gels8080478
Chicago/Turabian StyleGeorgiou, Efthalia, Ioannis Pashalidis, Grigorios Raptopoulos, and Patrina Paraskevopoulou. 2022. "Efficient Removal of Polyvalent Metal Ions (Eu(III) and Th(IV)) from Aqueous Solutions by Polyurea-Crosslinked Alginate Aerogels" Gels 8, no. 8: 478. https://doi.org/10.3390/gels8080478