Preparation of novel gallic acid-based dummy-template molecularly imprinted polymer adsorbents for rapid adsorption of dibutyl phthalate from water
Copyright © 2024 Elsevier Ltd. All rights reserved..
Phthalate esters (PAEs) are plasticizers widely used in the industry and easily released into the environment, posing a serious threat to human health. Molecularly imprinted polymers (MIPs) are important as selective adsorbents for the removal of PAEs. In this study, three kinds of mussel-inspired MIPs for the removal of PAEs were first prepared with gallic acid (GA), hexanediamine (HD), tannic acid (TA), and dopamine (DA) under mild conditions. The adsorption results showed that the MIP with low cost derived from GA and HD (GAHD-MIP) obtained the highest adsorption capacity among these materials. Furthermore, 97.43% of equilibrium capacity could be reached within the first 5 min of adsorption. Especially, the dummy template of diallyl phthalate (DAP) with low toxicity was observed to be more suitable to prepare MIPs than dibutyl phthalate (DBP), although DBP was the target of adsorption. The adsorption process was in accordance with the pseudo-second-order kinetics model. In the isotherm analysis, the adsorption behavior agreed with the Freundlich model. Additionally, the material maintained high adsorption performance after 7 cycles of regeneration tests. The GAHD-MIP adsorbents in this study, with low cost, rapid adsorption equilibrium, green raw materials, and low toxicity dummy template, provide a valuable reference for the design and development of new MIPs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:349 |
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| Enthalten in: |
Environmental pollution (Barking, Essex : 1987) - 349(2024) vom: 05. Apr., Seite 123917 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Shunying [VerfasserIn] |
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| Links: |
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| Themen: |
Adsorption |
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| Anmerkungen: |
Date Revised 23.04.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1016/j.envpol.2024.123917 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370732006 |
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| 520 | |a Copyright © 2024 Elsevier Ltd. All rights reserved. | ||
| 520 | |a Phthalate esters (PAEs) are plasticizers widely used in the industry and easily released into the environment, posing a serious threat to human health. Molecularly imprinted polymers (MIPs) are important as selective adsorbents for the removal of PAEs. In this study, three kinds of mussel-inspired MIPs for the removal of PAEs were first prepared with gallic acid (GA), hexanediamine (HD), tannic acid (TA), and dopamine (DA) under mild conditions. The adsorption results showed that the MIP with low cost derived from GA and HD (GAHD-MIP) obtained the highest adsorption capacity among these materials. Furthermore, 97.43% of equilibrium capacity could be reached within the first 5 min of adsorption. Especially, the dummy template of diallyl phthalate (DAP) with low toxicity was observed to be more suitable to prepare MIPs than dibutyl phthalate (DBP), although DBP was the target of adsorption. The adsorption process was in accordance with the pseudo-second-order kinetics model. In the isotherm analysis, the adsorption behavior agreed with the Freundlich model. Additionally, the material maintained high adsorption performance after 7 cycles of regeneration tests. The GAHD-MIP adsorbents in this study, with low cost, rapid adsorption equilibrium, green raw materials, and low toxicity dummy template, provide a valuable reference for the design and development of new MIPs | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Adsorption | |
| 650 | 4 | |a Dibutyl phthalate | |
| 650 | 4 | |a Dummy template | |
| 650 | 4 | |a Gallic acid | |
| 650 | 4 | |a Mussel-inspired MIP | |
| 700 | 1 | |a Zhou, Yuanhao |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Qiangqiang |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Haoxiang |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Shengpeng |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Ruobing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yingying |e verfasserin |4 aut | |
| 700 | 1 | |a Ye, Hong |e verfasserin |4 aut | |
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