Prussian blue modified CeO2 as a heterogeneous photo-Fenton-like catalyst for degradation of norfloxacin in water

被引:0
作者
Ruyi Xiao
Yuanyuan Zhang
Shuangfei Wang
Hongxiang Zhu
Hainong Song
Guoning Chen
Hongfei Lin
Jian Zhang
Jianhua Xiong
机构
[1] Guangxi University,
[2] Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control,undefined
[3] Guangxi BOSSCO Environmental Protection Science and Technology Co.,undefined
[4] LTD.,undefined
来源
Environmental Science and Pollution Research | 2021年 / 28卷
关键词
CeO; Prussian blue; Norfloxacin; Photo-Fenton-like; Oxygen vacancies;
D O I
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中图分类号
学科分类号
摘要
The heterogeneous photo-Fenton-like process is emerging as a promising treatment of antibiotics-containing wastewater. The preparation of new efficient and stable catalysts is one of the research fields. A composite catalyst, prussian blue (PB) modified CeO2 was prepared, characterized, and applied for photo-Fenton oxidation of norfloxacin (NOR) in this study. It was found that chemical doping of PB leaded to more oxygen vacancies and increased the surface area of CeO2 obviously. PB/CeO2 with more Ce3+ facilitated electron transfer between Fe3+/Fe2+ with Ce3+/Ce4+. PB could also improve the separation rate of photoexcited electron-hole pairs in CeO2 nanostructures. When the doping ratio of PB and CeO2 was 10%, PB/CeO2 show the highest catalytic degradation ability and 88.93% of NOR could be degraded within 30 min. PB/CeO2 composite showed well reactivity at the wide pH value range of 3–8. The reusable experiments and low iron dissolution with less than 1 mg/L indicated that PB/CeO2 could be employed as an efficient heterogeneous photo-Fenton-like catalyst in organic contaminants degradation.
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页码:69301 / 69313
页数:12
相关论文
共 434 条
[1]  
Amanollahi H(2019)VUV/Fe(II)/H Water Res 166 115061-113
[2]  
Moussavi G(2014)O Water Res 50 101-136
[3]  
Giannakis S(2017) as a novel integrated process for advanced oxidation of methyl tert-butyl ether (MTBE) in water at neutral pH: process intensification and mechanistic aspects Appl Catal B Environ 218 119-714
[4]  
Amorim CL(2005)Performance of aerobic granular sludge in a sequencing batch bioreactor exposed to ofloxacin, norfloxacin and ciprofloxacin Science 309 713-229
[5]  
Maia AS(2012)Reactivity of novel Ceria-Perovskite composites CeO Appl Catal B Environ 121 223-12760
[6]  
Mesquita RBR(2013)-LaMO Environ Sci Technol 47 12753-18559
[7]  
Rangel AOSS(2016) (MCu, Fe) in the catalytic wet peroxidative oxidation of the new emergent pollutant ‘Bisphenol F’: characterization, kinetic and mechanism studies J Phys Chem C 120 18548-16270
[8]  
van Loosdrecht MCM(2019)Chemistry-Oxygen vacancies and catalysis on ceria surfaces RSC Adv 9 16258-876
[9]  
Tiritan ME(2019)CeO Chem Eng J 362 865-6921
[10]  
Castro PML(2013)/H Ceram Int 39 6917-492