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纳米RuO2-TiO2光电催化处理农药废水研究

Keywords: 复合型光催化剂,光电催化,农药废水

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Abstract:

采用自制的负载型纳米RuO2-TiO2光催化剂对农药厂生产废水进行光电催化降解试验。考察了煅烧时间、催化剂用量、光辐照强度、电流密度、废水初始pH值和反应时间对废水COD和色度去除率的影响。结果表明,自制光催化剂光电催化性能显著,最佳光电催化活性是同样降解条件下、同样含量的DegussaP-25TiO2的1.38倍,是Ru0.3Ti0.7O2的1.81倍。其COD和色度去除率分别为64.3%和95.2%。

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