Fast photo-Fenton-like oxidation in bismuth catalysis : A novel Fe(III) self-doped sodium bismuthate nanosheet
Copyright © 2022 Elsevier B.V. All rights reserved..
Sodium bismuthate dihydrate (NaBiO3.2 H2O, NBH) nanosheets were successfully prepared in this study using the persulfate oil bath oxidation method. Benefited from the unique layered structure of NBH, the Fe(III) as a variable valence metal ion was explored for enhancing NBH activation of peroxymonosulfate (PMS) to degrade levofloxacin (LVF) in the visible-light catalytic system. Based on results of the reactive oxygen species (ROS) quenching experiments and electron paramagnetic resonance (EPR) analysis, singlet oxygen (1O2) and superoxide radical (O2·-) were identified as the main ROS. The morphology, chemical structure, and optical properties of NBH were analyzed using various characterization methods. It was confirmed that Fe(III) embedded in the NBH via the ion exchange with Na, resulting in lattice oxygen vacancies on the surface of the NBH, after the formation of oxygen defect sites, reacts with PMS in the solution to produce active oxygen species with oxidizing efficiency. This study expands the technological application of NBH in the catalytic oxidation of variable valence metals, which are essential for the removal of fluoroquinolone antibiotics.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:435 |
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| Enthalten in: |
Journal of hazardous materials - 435(2022) vom: 05. Aug., Seite 128975 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Yang [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 30.05.2022 Date Revised 31.05.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jhazmat.2022.128975 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM339974702 |
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| 100 | 1 | |a Liu, Yang |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Fast photo-Fenton-like oxidation in bismuth catalysis |b A novel Fe(III) self-doped sodium bismuthate nanosheet |
| 264 | 1 | |c 2022 | |
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| 500 | |a Date Completed 30.05.2022 | ||
| 500 | |a Date Revised 31.05.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 Elsevier B.V. All rights reserved. | ||
| 520 | |a Sodium bismuthate dihydrate (NaBiO3.2 H2O, NBH) nanosheets were successfully prepared in this study using the persulfate oil bath oxidation method. Benefited from the unique layered structure of NBH, the Fe(III) as a variable valence metal ion was explored for enhancing NBH activation of peroxymonosulfate (PMS) to degrade levofloxacin (LVF) in the visible-light catalytic system. Based on results of the reactive oxygen species (ROS) quenching experiments and electron paramagnetic resonance (EPR) analysis, singlet oxygen (1O2) and superoxide radical (O2·-) were identified as the main ROS. The morphology, chemical structure, and optical properties of NBH were analyzed using various characterization methods. It was confirmed that Fe(III) embedded in the NBH via the ion exchange with Na, resulting in lattice oxygen vacancies on the surface of the NBH, after the formation of oxygen defect sites, reacts with PMS in the solution to produce active oxygen species with oxidizing efficiency. This study expands the technological application of NBH in the catalytic oxidation of variable valence metals, which are essential for the removal of fluoroquinolone antibiotics | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Levofloxacin | |
| 650 | 4 | |a Peroxymonosulfate | |
| 650 | 4 | |a Photo-Fenton | |
| 650 | 4 | |a Sodium bismuthate nanosheets | |
| 650 | 4 | |a Superoxide radical | |
| 650 | 7 | |a Ferric Compounds |2 NLM | |
| 650 | 7 | |a Peroxides |2 NLM | |
| 650 | 7 | |a Reactive Oxygen Species |2 NLM | |
| 650 | 7 | |a Sodium |2 NLM | |
| 650 | 7 | |a 9NEZ333N27 |2 NLM | |
| 650 | 7 | |a Oxygen |2 NLM | |
| 650 | 7 | |a S88TT14065 |2 NLM | |
| 650 | 7 | |a Bismuth |2 NLM | |
| 650 | 7 | |a U015TT5I8H |2 NLM | |
| 700 | 1 | |a Cun, Fenxian |e verfasserin |4 aut | |
| 700 | 1 | |a Tian, Dongqi |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Yue |e verfasserin |4 aut | |
| 700 | 1 | |a Xiong, Zhaokun |e verfasserin |4 aut | |
| 700 | 1 | |a He, Chuanshu |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Ye |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Zhicheng |e verfasserin |4 aut | |
| 700 | 1 | |a Lai, Bo |e verfasserin |4 aut | |
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