Construction of stable photo-Fenton system with efficient removal capability of ciprofloxacin by accelerating in-situ photoreduction of Fe3+ in MIL-100(Fe)

Well-dispersed MIL-100(Fe) nanoparticles were synthesized under mild conditions and used to construct a photo-Fenton system (VMH system) with the assistance of visible-light irradiation and hydrogen peroxide. In such a VMH system, the MIL-100(Fe) has a high specific surface area and provides numerou...

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Veröffentlicht in:Environmental technology. - 1993. - 45(2024), 22 vom: 01. Sept., Seite 4635-4644
1. Verfasser: Zheng, Suhua (VerfasserIn)
Weitere Verfasser: Shen, Qianhong, Chen, Qifeng, Lu, Chengqi, Sheng, Jiansong, Li, Yue, Yang, Hui
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Fenton system MIL-100(Fe) ciprofloxacin photocatalyst removal Ciprofloxacin 5E8K9I0O4U Water Pollutants, Chemical Hydrogen Peroxide mehr... BBX060AN9V Iron E1UOL152H7 Anti-Bacterial Agents Wastewater MIL-101 Metal-Organic Frameworks
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520 |a Well-dispersed MIL-100(Fe) nanoparticles were synthesized under mild conditions and used to construct a photo-Fenton system (VMH system) with the assistance of visible-light irradiation and hydrogen peroxide. In such a VMH system, the MIL-100(Fe) has a high specific surface area and provides numerous Fe3+ active sites, thus accelerating the reaction of Fe3+ with photo-generated electrons under visible-light irradiation and generates Fe2+, and then the acquired Fe2+ can activate H2O2 to generate ⋅OH, accompanying with the oxidation of Fe2+ to Fe3+. Hence, the in-situ recycling of Fe2+/Fe3+ promotes the generation of ·OH, thus making the VMH system exhibits promising photocatalytic activity. The removal rate of ciprofloxacin in the VMH system is as high as 95.2% within 120 min photo-Fenton reaction, which is about 26 times higher than that of the Visible light/MIL-100(Fe) system. Moreover, the VMH system also exhibits strong degradation ability to other typical antibiotics, such as tetracycline, norfloxacin and cephalexin, and maintains high cyclic stability, revealing great practical application potential in the purification of antibiotic wastewater 
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650 7 |a Hydrogen Peroxide  |2 NLM 
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650 7 |a Iron  |2 NLM 
650 7 |a E1UOL152H7  |2 NLM 
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650 7 |a Wastewater  |2 NLM 
650 7 |a MIL-101  |2 NLM 
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700 1 |a Shen, Qianhong  |e verfasserin  |4 aut 
700 1 |a Chen, Qifeng  |e verfasserin  |4 aut 
700 1 |a Lu, Chengqi  |e verfasserin  |4 aut 
700 1 |a Sheng, Jiansong  |e verfasserin  |4 aut 
700 1 |a Li, Yue  |e verfasserin  |4 aut 
700 1 |a Yang, Hui  |e verfasserin  |4 aut 
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