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题名: Degradation of 2,4,6-Trichlorophenol Using Hydrogen Peroxide Catalyzed by Nanoscale Zero-Valent Iron Supported on Ion Exchange Resin
作者: Tai, Chao; She, Jiaping; Yin, Yongguang; Zhao, Tongqian; Wu, Li
刊名: JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
出版日期: 2016-06
卷号: 16, 期号:6, 页码:5850-5855
关键词: 2,4,6-Trichlorophenol ; Nanoscale Zero-Valent Iron ; Hydrogen Peroxide ; Degradation ; Heterogeneous Catalysis
DOI: 10.1166/jnn.2016.12415
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: Nanoscale zero-valent iron (NZVI) supported on ion exchange resin was prepared and characterized by scanning electron microscope and energy dispersive spectroscopy, with a simple model developed for describing the catalyst. The degradation of 2,4,6-trichlorophenol (2,4,6-TCP) by hydrogen peroxide using NZVI supported on ion exchange resin as the catalyst, was studied. The results showed that 2,4,6-TCP with a concentration of 1 mmol L-1 could be well degraded into low molecule weight organic acids in two hours. The optimized condition was as follows: pH, 3.0; temperature, 35 degrees C; catalyst dosage, 1.5 g; and hydrogen peroxide, 0.16 mmol L-1. The catalyst has good reusability, with no catalytic efficiency decreasing even after ten times recycles. A possible mechanism of 2,4,6-TCP degradation was proposed, based on the products indentified by GC-MS after derived using trimethylsulfonium hydroxide.
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/311016/35830
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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