Catalytic ozonation of nitroimidazole antibiotics using nano-magnesium hydroxide as heavy-metals free catalyst | |
Sun, Q; Zhu, GC; Wu, J; Lu, J; Zhang, ZH | |
发表期刊 | DESALINATION AND WATER TREATMENT |
ISSN | 1944-3994 |
2019-09 | |
卷号 | 161页码:216-227 |
关键词 | Nano-scale magnesium hydroxide Nitroimidazole antibiotics Catalytic ozonation Degradation |
研究领域 | Engineering, Chemical ; Water Resources |
DOI | 10.5004/dwt.2019.24277 |
产权排序 | [Sun, Qi; Zhu, Guangcan] Southeast Univ, Sch Energy & Environm, Nanjing 210096, Jiangsu, Peoples R China; [Wu, Jun; Zhang, Zhenhua] Ludong Univ, Sch Resources & Environm Engn, Yantai 264025, Shandong, Peoples R China; [Lu, Jian] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China; [Lu, Jian] YICCAS, Shandong Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China |
作者部门 | 海岸带环境过程实验室 |
英文摘要 | In this study, nano-magnesium hydroxide (nano-Mg(OH)(2)) was prepared and first applied for the catalytic ozonation of the widely used nitroimidazole antibiotics. Most of nitroimidazole antibiotics were rapidly removed within 10 min. The removal rate constant of metronidazole in the catalytic ozonation treatment was four times higher than that without catalyst. Persistent high catalytic activity of nano-Mg(OH)(2) maintained after three runs. The severe inhibition of hydroxyl radical scavenger (TBA) on the catalytic ozonation suggested that hydroxyl radical reaction served as the predominant process. The removal of nitroimidazole antibiotics followed a pseudo-first order kinetic model. Increase in the dosage of catalyst and reaction temperature within certain range could enhance the degradation of metronidazole, tinidazole, and dimetridazole while increase in the initial concentration of nitroimidazole antibiotics led to the decrease in the removal efficiency. All anions (Cl-, HCO3, and SO42-) and cations (Ca2+ and Mg2+) had negative influence on the removal efficiency of nitroimidazole antibiotics. Due to the unique features such as low cost and heavy-metals free, high efficiency and persistent high catalytic activity of the nano-Mg(OH)(2) in the catalytic ozonation of nitroimidazole antibiotics demonstrated that nano-Mg(OH)(2) is a promising environment-friendly ozonation catalyst in terms of antibiotic removal. |
文章类型 | Article |
资助机构 | National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41877131, 51578132] ; One Hundred Talents Program of Chinese Academy of SciencesChinese Academy of Sciences [Y629041021] ; Taishan Scholar Program of Shandong Province [tsqn201812116] ; Two-Hundred Talents Plan of Yantai [Y739011021] |
收录类别 | SCI |
语种 | 英语 |
关键词[WOS] | WASTE-WATER ; 2,4-DICHLOROPHENOXYACETIC ACID ; PHOTOCATALYTIC DEGRADATION ; AQUATIC ENVIRONMENT ; INORGANIC-COMPOUNDS ; AQUEOUS-SOLUTION ; RATE CONSTANTS ; REMOVAL ; OZONE ; SULFAMETHOXAZOLE |
研究领域[WOS] | Engineering, Chemical ; Water Resources |
WOS记录号 | WOS:000472928900021 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.yic.ac.cn/handle/133337/24877 |
专题 | 中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室 中国科学院海岸带环境过程与生态修复重点实验室 |
作者单位 | 1.Southeast Univ, Sch Energy & Environm, Nanjing 210096, Jiangsu, Peoples R China; 2.Ludong Univ, Sch Resources & Environm Engn, Yantai 264025, Shandong, Peoples R China; 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China; 4.YICCAS, Shandong Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China |
推荐引用方式 GB/T 7714 | Sun, Q,Zhu, GC,Wu, J,et al. Catalytic ozonation of nitroimidazole antibiotics using nano-magnesium hydroxide as heavy-metals free catalyst[J]. DESALINATION AND WATER TREATMENT,2019,161:216-227. |
APA | Sun, Q,Zhu, GC,Wu, J,Lu, J,&Zhang, ZH.(2019).Catalytic ozonation of nitroimidazole antibiotics using nano-magnesium hydroxide as heavy-metals free catalyst.DESALINATION AND WATER TREATMENT,161,216-227. |
MLA | Sun, Q,et al."Catalytic ozonation of nitroimidazole antibiotics using nano-magnesium hydroxide as heavy-metals free catalyst".DESALINATION AND WATER TREATMENT 161(2019):216-227. |
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