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题名: Oxidation of cefazolin by potassium permanganate: Transformation products and plausible pathways
作者: Li, Liping; Wei, Dongbin; Wei, Guohua; Du, Yuguo
刊名: CHEMOSPHERE
出版日期: 2016-04
卷号: 149, 期号:0, 页码:279-285
关键词: Cefazolin ; Permanganate ; Oxidative degradation ; Transformation products ; Formation mechanisms ; Pathway
DOI: 10.1016/j.chemosphere.2016.01.117
部门归属: 环境化学与生态毒理学国家重点实验室
英文摘要: Cefazolin was demonstrated to exert high reactivity toward permanganate (Mn(VII)), a common oxidant in water pre-oxidation treatment. In this study, five transformation products were found to be classified into three categories according to the contained characteristic functional groups: three (di-)sulfoxide products, one sulfone product and one di-ketone product. Products analyses showed that two kinds of reactions including oxidation of thioether and the cleavage of unsaturated C=C double bond occurred during transformation of cefazolin by Mn(VII). Subsequently, the plausible transformation pathways under different pH conditions were proposed based on the identified products and chemical reaction principles. More importantly, the simulation with real surface water matrix indicated that the proposed transformation pathways of cefazolin could be replayed in real water treatment practices. (C) 2016 Elsevier Ltd. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35918
Appears in Collections:环境化学与生态毒理学国家重点实验室_期刊论文

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Recommended Citation:
Li, Liping,Wei, Dongbin,Wei, Guohua,et al. Oxidation of cefazolin by potassium permanganate: Transformation products and plausible pathways[J]. CHEMOSPHERE,2016,149(0):279-285.
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