主办单位：中国气象局沈阳大气环境研究所
国际刊号：ISSN 1673-503X
国内刊号：CN 21-1531/P
气象与环境学报

气象与环境学报

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TiO2光催化降解微污染水中腐殖酸的研究

刘旭东1,2;胡桂玲2;刘孝欣3;王烨2   

  1. 1.辽宁省环境科学研究院 辽宁沈阳110031;2.沈阳建筑大学 辽宁沈阳110168;3.青岛国标环保有限公司 山东青岛266100
  • 收稿日期:2008-03-08 修回日期:2008-04-10 出版日期:2008-04-01 发布日期:2008-04-01

Photocatalytic oxidation of humic acid in micro pollution water with catalyzer TiO2

LIU Xu-dong1;2 HU Gui-ling2 LIU Xiao-xin3 WANG Ye2   

  1. 1.Liaoning Academy of Environmental Sciences;Shenyang 110031;China;2.School for Municipal and Environmental Engineering;Shenyang Jianzhu University;Shenyang 110168;China;3.Qingdao Guobiao environmental protection limited company;Qingdao 266100;China
  • Received:2008-03-08 Revised:2008-04-10 Online:2008-04-01 Published:2008-04-01

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摘要： 为探讨TiO2光催化法处理微污染水中腐殖酸的规律,利用悬浮状的TiO2颗粒在紫外光的照射下催化降解含有腐殖酸污染物的水样,设计正交试验研究pH值、TiO2的投加量、腐殖酸溶液初始浓度、曝气量和温度等对腐殖酸降解效果的影响及规律。结果表明:pH=3.5时,TiO2的投加量为1.0 g/L、曝气量为0.12 m3/h、温度为18℃时,最佳有机物降解效果为96.83%;TiO2光催化法对微污染水中的腐殖酸能够有效降解。

关键词: TiO, 光催化降解, 微污染水

Abstract: How to deal with the humic acid of micro pollution water with photocatalytic catalyzer TiO2 was analyzed.The water samples were treated by TiO2 and UV ray.The impacts of pH,TiO2 concentration,the initial concentration of humic acid,aeration intensity and air temperature on humic acid degradation effect were discussed.The results show that the organic degeneration rate can reach 96.83% if pH value is 3.5,TiO2 concentration reaches 1.0 g/L,aeration intensity is 0.12 m3/h and air temperature becomes 18 ℃.According to the mentioned-above,the method of photocatalytic catalyzer TiO2 can degrade humic acid of micro pollution water efficiently.