J4

• 水污染控制工程 • 上一篇    下一篇

UV/H2O2法降解乙酸影响因素的研究

康春莉,隋海清,高红杰,郭 晶,郭 平,于宏兵,林学钰   

  1. 吉林大学 环境与资源学院,长春 130023
  • 收稿日期:2006-11-20 修回日期:1900-01-01 出版日期:2007-03-26 发布日期:2007-03-26
  • 通讯作者: 康春莉

Study on Photodegradation of Acetic Acid by UV/H2O2 Processes

KANG Chun-li, SUI Hai-qing, GAO Hong-jie, GUO Jing, GUO Ping, YU Hong-bing, LIN Xue-yu   

  1. College of Environment and Resources, Jilin University, Changchun 130023, China
  • Received:2006-11-20 Revised:1900-01-01 Online:2007-03-26 Published:2007-03-26
  • Contact: KANG Chun-li

摘要: 通过采用UV/H2O2法,以乙酸为研究对象,高压汞灯为光源,在温度为(35±2)℃、曝空气量为0.8 L/min的条件下,研究了UV/H2O2技术对500 mL浓度为8 mmol/L的乙酸溶液进行的光降解反应。考察了各种因素对UV/H2O2降解乙酸的影响。实验表明,H2O2浓度为15 mmol/L、pH值为3.4时,乙酸降解效果最佳,此时,在240 min内,乙酸、TOC和COD的去除率可分别达到98%、98%和97%,体系中乙酸完全矿化。利用UV/H2O2法对实际糠醛废水进行了降解,效果良好。

关键词: UV/H2O2, 降解, 乙酸, 糠醛废水

Abstract: While the UV lamp (400W) was lamp-house and acetic acid was an object of research, the photodegradation reaction of 500 mL of 8 mmol/L acetic acid was investigated under the airflow rate of 0.8 L/min and temperature of (35±2)℃ by UV/H2O2 methods. All kinds of influencing factors were investigated. According to the results, the optimal H2O2 effect was obtained when the amount of H2O2 is 15 mmol/L, and the initial pH of reaction solution was 3.4. At this condition, the disposal rates of acetic acid, TOC and COD in the reaction solution respectively reached 98%, 98% and 97% within 240 min, acetic acid was completely mineralized in the reaction system. The UV/H2O2 method was also very well for the degradation of the real furfural wastewater had been proved by the experiments.

Key words: UV/H2O2, degradation, acetic acid, furfural wastewater

中图分类号: 

  • X703
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