J4

• 环境科学 • 上一篇    

UV-Fenton试剂作用下甲基橙的降解规律

康春莉, 唐晓剑, 王 洋, 于红兵, 林学钰   

  1. 1. 吉林大学环境与资源学院环境科学系, 长春 130023; 2. 吉林大学环境与资源学院水文与水资源系, 长春 130026
  • 收稿日期:2003-10-14 修回日期:1900-01-01 出版日期:2004-07-26 发布日期:2004-07-26
  • 通讯作者: 康春莉

Degradation of methyl orange by UV-Fenton reagent

KANG Chun-li, TANG Xiao-jian, WANG Yang , YU Hong-bing, LIN Xue-yu   

  1. 1. Department of Environmental Science, College of Environment and Resources, Jilin University, Changchun 130023, China;2. Department of Hydrology and Water Resouces, College of Environment and Resources, Jilin University, Changchun 130026, China
  • Received:2003-10-14 Revised:1900-01-01 Online:2004-07-26 Published:2004-07-26
  • Contact: KANG Chun-li

摘要: 采用UV-Fenton法降解甲基橙溶液. 结果表明, UV对甲基橙光降解反应的速率起决定性作用; 对H2O2浓度、 铁离子浓度以及pH值对甲基橙脱色 率与去除率的影响进行了探 讨; 发现H2O2浓度决定甲基橙的去除率, 铁离子浓度是影响降 解速率的主导因素, 而随pH值降低反应速率明显增大. 比较了甲基橙光降解过程中, 色度去除率和总有机碳去除率之间的关系. 实验结果表明, 总有机碳去除率滞后于色度去除率.

关键词: UV-Fenton, 甲基橙, 降解, 脱色

Abstract: methyl orange solution was treated by means of the UV-Fenton method. The results show that the concentrations of H2O2 and Fe2+ and pH value exhibit a great effect on the degradation of methyl orange. The decolorization ratio of methyl orange is determined by the concentration of H2O2, the rate of degradation is determined by t he concentration of Fe2+ and increases with the decrease of pH value. Also, the change of TOC of the methyl orange solution with the reaction time is discussed and the rate of degradation is faster than that of TOC removal.

Key words: UV-Fenton reagent, methyl orange, degradation, decolorization

中图分类号: 

  • X132