Polyaniline as interface layers promoting the in-situ growth of zeolite imidazole skeleton on regenerated cellulose aerogel for efficient removal of tetracycline
Copyright © 2020. Published by Elsevier Inc..
Antibiotics as newly emerging organic pollutants are arousing more and more serious environmental issues. Meantime, metal-organic frameworks (MOFs) are considered as promising adsorbents to remove antibiotics. To overcome the limitations of large-scale applications for MOFs in the powder form, herein, we proposed a strategy of in-situ growth ZIF-67 onto polyaniline (PANI) modified regenerated cellulose aerogel (RCA). First, RCA was obtained by chemical cross-linking and physical cross-linking method. Then, PANI played the role of metal chelated layers, which were coated on RCA by in-situ polymerization. Finally, ZIF-67 nanocrystals were in-situ growth on the surface of the PANI coated regenerated cellulose aerogel to synthesise the composite adsorbent ZIF-67/PANI/RCA. The loading mass ratios of ZIF-67 on RCA and PANI/RCA were 25.39% and 42.38%, respectively, which indicates that PANI as interface layers can effectively promote the in-situ growth of ZIF-67 compared with pure RCA. The obtained composite adsorbent (ZIF-67/PANI/RCA) was applied for the adsorption of tetracycline (TC) with high adsorption capacity (409.55 mg·g-1) and good recycling ability. After six cycles of adsorption-desorption, the removal efficiency toward TC was still over 94%. This strategy may provide an effective and versatile pathway to increase MOF loading mass on aerogel and sequentially branch out their applications in pollutant treatment fields.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:579 |
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| Enthalten in: |
Journal of colloid and interface science - 579(2020) vom: 01. Nov., Seite 119-127 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Qun [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 21.06.2021 Date Revised 21.06.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jcis.2020.06.056 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM311532322 |
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| 100 | 1 | |a Liu, Qun |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Polyaniline as interface layers promoting the in-situ growth of zeolite imidazole skeleton on regenerated cellulose aerogel for efficient removal of tetracycline |
| 264 | 1 | |c 2020 | |
| 336 | |a Text |b txt |2 rdacontent | ||
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| 500 | |a Date Completed 21.06.2021 | ||
| 500 | |a Date Revised 21.06.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020. Published by Elsevier Inc. | ||
| 520 | |a Antibiotics as newly emerging organic pollutants are arousing more and more serious environmental issues. Meantime, metal-organic frameworks (MOFs) are considered as promising adsorbents to remove antibiotics. To overcome the limitations of large-scale applications for MOFs in the powder form, herein, we proposed a strategy of in-situ growth ZIF-67 onto polyaniline (PANI) modified regenerated cellulose aerogel (RCA). First, RCA was obtained by chemical cross-linking and physical cross-linking method. Then, PANI played the role of metal chelated layers, which were coated on RCA by in-situ polymerization. Finally, ZIF-67 nanocrystals were in-situ growth on the surface of the PANI coated regenerated cellulose aerogel to synthesise the composite adsorbent ZIF-67/PANI/RCA. The loading mass ratios of ZIF-67 on RCA and PANI/RCA were 25.39% and 42.38%, respectively, which indicates that PANI as interface layers can effectively promote the in-situ growth of ZIF-67 compared with pure RCA. The obtained composite adsorbent (ZIF-67/PANI/RCA) was applied for the adsorption of tetracycline (TC) with high adsorption capacity (409.55 mg·g-1) and good recycling ability. After six cycles of adsorption-desorption, the removal efficiency toward TC was still over 94%. This strategy may provide an effective and versatile pathway to increase MOF loading mass on aerogel and sequentially branch out their applications in pollutant treatment fields | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Adsorption | |
| 650 | 4 | |a Metal-organic-framework | |
| 650 | 4 | |a Polyaniline | |
| 650 | 4 | |a Regenerated cellulose aerogel | |
| 650 | 4 | |a Tetracycline | |
| 650 | 7 | |a Aniline Compounds |2 NLM | |
| 650 | 7 | |a Anti-Bacterial Agents |2 NLM | |
| 650 | 7 | |a Imidazoles |2 NLM | |
| 650 | 7 | |a polyaniline |2 NLM | |
| 650 | 7 | |a Zeolites |2 NLM | |
| 650 | 7 | |a 1318-02-1 |2 NLM | |
| 650 | 7 | |a Cellulose |2 NLM | |
| 650 | 7 | |a 9004-34-6 |2 NLM | |
| 650 | 7 | |a rayon, purified |2 NLM | |
| 650 | 7 | |a BX81F82EWG |2 NLM | |
| 650 | 7 | |a Tetracycline |2 NLM | |
| 650 | 7 | |a F8VB5M810T |2 NLM | |
| 700 | 1 | |a Yu, Haihuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zeng, Fanming |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xiao |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Xiaoli |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Qingqing |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Chun |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Hai |e verfasserin |4 aut | |
| 700 | 1 | |a Min Su, Zhong |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Journal of colloid and interface science |d 1966 |g 579(2020) vom: 01. Nov., Seite 119-127 |w (DE-627)NLM041487958 |x 1095-7103 |7 nnns |
| 773 | 1 | 8 | |g volume:579 |g year:2020 |g day:01 |g month:11 |g pages:119-127 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1016/j.jcis.2020.06.056 |3 Volltext |
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