Polyethyleneimine-functionalized magnetic sugarcane bagasse cellulose film for the efficient adsorption of ibuprofen
Copyright © 2024. Published by Elsevier B.V..
Polyethyleneimine-modified magnetic sugarcane bagasse cellulose film (P-SBC/Fe3O4 film) was simply fabricated for the removal of ibuprofen (IBP), a typical emerging organic contaminant. The P-SBC/Fe3O4 film exhibited an equilibrium adsorption amount of 370.52 mg/g for IBP and a corresponding removal efficiency of 92.63 % under following adsorption conditions: 318 K, pH 4, and 0.25 mg/mL dosage. Thermodynamic studies indicated that adsorption of IBP on the P-SBC/Fe3O4 film was spontaneous (∆G < 0) and endothermic (∆H > 0). The adsorption data conformed to the Freundlich isotherm model and multilayer adsorption model (two layers), and an average of 3-4 active sites on the P-SBC/Fe3O4 film share an IBP molecule. Both the EDR-IDR and AOAS models vividly described the dynamic characteristics of adsorption process. Model fitting results, theoretical calculations, and comprehensive characterization revealed that adsorption is driven by electrostatic interactions between the primary amine of P-SBC/Fe3O4 film and the carboxyl group of IBP molecule, while other weak interactions are also non-ignorable. Furthermore, quantitative calculations based on density functional theory (DFT) underscored the importance of PEI functionalization. In conclusion, P-SBC/Fe3O4 film is an environmentally friendly and cost-effective adsorbent with significant potential for effectively removing IBP, while maintaining its efficacy over multiple cycles.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:265 |
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| Enthalten in: |
International journal of biological macromolecules - 265(2024), Pt 2 vom: 20. Apr., Seite 130969 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Yang [VerfasserIn] |
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| Links: |
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| Themen: |
9002-98-6 |
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| Anmerkungen: |
Date Completed 18.04.2024 Date Revised 18.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ijbiomac.2024.130969 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM36998143X |
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| 520 | |a Polyethyleneimine-modified magnetic sugarcane bagasse cellulose film (P-SBC/Fe3O4 film) was simply fabricated for the removal of ibuprofen (IBP), a typical emerging organic contaminant. The P-SBC/Fe3O4 film exhibited an equilibrium adsorption amount of 370.52 mg/g for IBP and a corresponding removal efficiency of 92.63 % under following adsorption conditions: 318 K, pH 4, and 0.25 mg/mL dosage. Thermodynamic studies indicated that adsorption of IBP on the P-SBC/Fe3O4 film was spontaneous (∆G < 0) and endothermic (∆H > 0). The adsorption data conformed to the Freundlich isotherm model and multilayer adsorption model (two layers), and an average of 3-4 active sites on the P-SBC/Fe3O4 film share an IBP molecule. Both the EDR-IDR and AOAS models vividly described the dynamic characteristics of adsorption process. Model fitting results, theoretical calculations, and comprehensive characterization revealed that adsorption is driven by electrostatic interactions between the primary amine of P-SBC/Fe3O4 film and the carboxyl group of IBP molecule, while other weak interactions are also non-ignorable. Furthermore, quantitative calculations based on density functional theory (DFT) underscored the importance of PEI functionalization. In conclusion, P-SBC/Fe3O4 film is an environmentally friendly and cost-effective adsorbent with significant potential for effectively removing IBP, while maintaining its efficacy over multiple cycles | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bagasse cellulose | |
| 650 | 4 | |a Ibuprofen | |
| 650 | 4 | |a Polyethyleneimine | |
| 650 | 7 | |a bagasse |2 NLM | |
| 650 | 7 | |a 9006-97-7 |2 NLM | |
| 650 | 7 | |a polyethyleneimine-cellulose |2 NLM | |
| 650 | 7 | |a Cellulose |2 NLM | |
| 650 | 7 | |a 9004-34-6 |2 NLM | |
| 650 | 7 | |a Ibuprofen |2 NLM | |
| 650 | 7 | |a WK2XYI10QM |2 NLM | |
| 650 | 7 | |a Polyethyleneimine |2 NLM | |
| 650 | 7 | |a 9002-98-6 |2 NLM | |
| 650 | 7 | |a Water Pollutants, Chemical |2 NLM | |
| 700 | 1 | |a Xiong, Yan-Shu |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Ming-Xing |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Wen |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Kai |e verfasserin |4 aut | |
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| 773 | 1 | 8 | |g volume:265 |g year:2024 |g number:Pt 2 |g day:20 |g month:04 |g pages:130969 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1016/j.ijbiomac.2024.130969 |3 Volltext |
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