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孙震,郁志勇,朱燕,李洁.氧化剂和阴离子对4-硝基酚光化学降解的影响[J].广西科学,2004,11(2):113-115. [点击复制]
Sun Zhen,Yu Zhiyong,Zhu Yan,Li Jie.Effects of Oxidants and Cations on the Photochemical Degradation of 4-Nitrophenol[J].Guangxi Sciences,2004,11(2):113-115. [点击复制]

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氧化剂和阴离子对4-硝基酚光化学降解的影响
孙震^1,2, 郁志勇¹, 朱燕¹, 李洁¹
0 字体:加大+\|默认\|缩小-
(1.中国人民大学环境学院, 北京 100872;2.北京出入境检验检疫局技术中心, 北京 100026)

摘要:

在紫外光作用下,采用静态方法研究氧化剂(H₂O₂、KIO₄)和阴离子(Cl^-、Br^-、SO₄^2-、Ac^-)对4-硝基酚光化学降解的影响。结果表明,紫外光不能降解20mg/L4-硝基酚。H₂O₂能够明显加速4-硝基酚光化学降解,KIO₄能够显著加速4-硝基酚光化学降解,Cl^-、Br^-、SO₄^2-、Ac^-对4-硝基酚光化学降解没有影响。Cl^-、Br^-、Ac^-稍微抑制H₂O₂的加速作用,SO₄^2-对H₂O₂的加速作用没有影响。Cl^-、SO₄^2-对KIO₄的加速作用没有影响,Br^-、Ac^-能够稍微抑制KIO₄的加速作用

关键词: 4-硝基酚氧化剂阴离子光化学降解

DOI：

投稿时间：2004-01-18

基金项目:受中国人民大学科研经费资助(1999001)。

Effects of Oxidants and Cations on the Photochemical Degradation of 4-Nitrophenol

Sun Zhen^1,2, Yu Zhiyong¹, Zhu Yan¹, Li Jie¹

(1.School of Environment, Renmin University of China, Beijing, 100872, China;2.Beijing Entry exit Inspection and Quarantine Bureau, Beijing, 100026, China)

Abstract:

Under the UV-light,effects of oxidants and cations on the photochemical degradation of 4-nitrophenol 4-NP were studied by static method.The results showed that 20 mg/L 4-NP could not be degradated by UV-light,H₂O₂ can evidently accelerate the photochemical degradation of 4-NP, KIO₄ can strikingly accelerate the photochemical degradation of 4-NP,Cl^-、Br^-、SO₄^2-、Ac^- have no influence on the photochemical dgradation of 4-NP.Cl^-、Br^-、Ac^- can slightly inhibit the acceleration effect of H₂O₂,SO₄^2- has no influence on the acceleration effect of H₂O₂. Cl^-、SO₄^2- have no influence on the acceleration effect of KIO₄, Br^-、Ac^- can slightly inhibit the acceleration effect of KIO₄.

Key words: 4-nitrophenol oxidants cation photochemical degradation

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