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题名: Strongly enhanced Fenton degradation of organic pollutants by cysteine: An aliphatic amino acid accelerator outweighs hydroquinone analogues
作者: Li, Tuo1; Zhao, Zhenwen2; Wang, Quan1; Xie, Pengfei1; Ma, Jiahai1
关键词: Quinone-hydroquinone ; Fenton ; Cysteine ; Iron redox cycle
刊名: WATER RESEARCH
发表日期: 2016-11-15
卷: 105, 页:479-486
收录类别: SCI
英文摘要: Quinone hydroquinone analogues have been proven to be efficient promoters of Fenton reactions by accelerating the Fe(III)/Fe(II) redox cycle along with self-destruction. However, so far there is little information on non-quinone-hydroquinone cocatalyst for Fenton reactions. This study found that cysteine, a common aliphatic amino acid, can strongly enhance Fenton degradation of organic pollutants by accelerating Fe(III)/Fe(II) redox cycle, as quinone-hydroquinone analogues do. Further, cysteine is superior to quinone-hydroquinone analogues in catalytic activity, H2O2 utilization and atmospheric limits. The cocatalysis mechanism based on the cycle of cysteineicystine was proposed. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35483
Appears in Collections:其它_期刊论文

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作者单位: 1.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Beijing Mass Spectrum Ctr, Inst Chem, Beijing 100190, Peoples R China
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