Gamma irradiation-induced decomposition of sulfamethoxazole in aqueous solution: the influence of additives, biological inhibitory, and degradation mechanisms
文献类型：期刊论文
| 作者 | Wang, Jinjin1,2,3; Guo, Ziyan1,2,3; Shen, Xiaoyu1,2,3; Guo, Qingjun4 ; Zhao, Yongfu5; Zhu, Shengnan1,2,3; Guo, Zhaobing1,2,3
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| 刊名 | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
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| 出版日期 | 2017-10-01 |
| 卷号 | 24期号:30页码:23658-23665 |
| 关键词 | Gamma irradiation Sulfamethoxazole Degradation mechanisms Cr(VI) Biological toxicity |
| ISSN号 | 0944-1344 |
| DOI | 10.1007/s11356-017-0006-2 |
| 通讯作者 | Guo, Zhaobing(guozbnuist@163.com) |
| 英文摘要 | Sulfamethoxazole (SMX) was decomposed by using gamma irradiation in the presence of different additives such as NO3 (-), NO2 (-), Cr(VI), 2-propanol, and tert-butanol. The results demonstrated that NO3 (-), NO2 (-), 2-propanol, and tert-butanol inhibited SMX radiolytic removal. However, there existed a synergetic effect for radiolytic removal of the mixture containing SMX and Cr(VI). At an absorbed dose of 150 Gy, the removal percentages of SMX and Cr(VI) in the mixture were 73.5 and 84.6%, respectively, which was higher than the removal percentages of 70.6 and 4.1% for the single component of SMX and Cr(VI). This provides us an insight into treating the combined pollution in micro-polluted water. The SMX radiolytic removal followed a pseudo first-order reaction kinetic model, and the rate constant ratios of center dot OH, e(aq) (-), and H center dot towards SMX radiolysis were 10.4:1:2.9. In addition, 24-h bio-inhibitory to the macroalgae of SMX solution during gamma irradiation reached the maximum of 0.85 at an adsorbed dose of 100 Gy, then gradually decreased with the increasing adsorbed dose. Based on LC-MS analysis and quantum chemical calculation, the degradation intermediates were determined and concluded that SMX radiolytic removal was mainly via center dot OH radical attack and direct decomposition of SMX molecule by gamma ray. |
| WOS关键词 | ANTIBIOTICS ; WATER ; DISCHARGE ; CHINA |
| 资助项目 | National Natural Science Foundation of China[41373023] ; National Natural Science Foundation of China[91544229/002] ; National Natural Science Foundation of China[41625006] ; Jiangsu Province 333 Talent Project ; Jiangsu Student Innovation Training Program DMS formation of typical HAB species in the Yangtze estuary adjacent waters under polluted conditions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Jiangsu Province Qing Lan Project |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000412930300022 |
| 出版者 | SPRINGER HEIDELBERG |
| 资助机构 | National Natural Science Foundation of China ; Jiangsu Province 333 Talent Project ; Jiangsu Student Innovation Training Program DMS formation of typical HAB species in the Yangtze estuary adjacent waters under polluted conditions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Jiangsu Province Qing Lan Project |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/62355]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Guo, Zhaobing |
| 作者单位 | 1.Collaborat Innovat Ctr Atmospher Environm & Equip, Nanjing 210044, Jiangsu, Peoples R China 2.Nanjing Univ Informat Sci & Technol, Sch Environm Sci & Engn, Nanjing 210044, Jiangsu, Peoples R China 3.Jiangsu Key Lab Atmospher Environm Monitoring & P, Nanjing 210044, Jiangsu, Peoples R China 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China 5.Jiangsu Acad Agr Sci, Inst Applicat Atom Energy Agr, Nanjing 210014, Jiangsu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Jinjin,Guo, Ziyan,Shen, Xiaoyu,et al. Gamma irradiation-induced decomposition of sulfamethoxazole in aqueous solution: the influence of additives, biological inhibitory, and degradation mechanisms[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2017,24(30):23658-23665. |
| APA | Wang, Jinjin.,Guo, Ziyan.,Shen, Xiaoyu.,Guo, Qingjun.,Zhao, Yongfu.,...&Guo, Zhaobing.(2017).Gamma irradiation-induced decomposition of sulfamethoxazole in aqueous solution: the influence of additives, biological inhibitory, and degradation mechanisms.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,24(30),23658-23665. |
| MLA | Wang, Jinjin,et al."Gamma irradiation-induced decomposition of sulfamethoxazole in aqueous solution: the influence of additives, biological inhibitory, and degradation mechanisms".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 24.30(2017):23658-23665. |
入库方式： OAI收割
来源：地理科学与资源研究所
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