可见光均相氧化法降解吖啶橙染料的特性

Photooxidation of Acridine Orange in Homogeneous System Containing Fe^(3+) and H_2O_2 under Visible Irradiation

一种难降解的染料吖啶橙 (AO)在可见光照射下的 photo Fenton降解实验结果表明 ,在三价铁离子和双氧水存在下吖啶橙可以被降解 ,且可见光可以极大地加快降解的速度 .另外 ,还对降解过程中的 pH、Fe2 +以及草酸盐和表面活性剂对降解速度的影响进行了研究 ,发现草酸盐的加入降低了降解速度而表面活性剂十二烷基苯磺酸钠 (DBS)提高了降解的速度 .

It was found that acridine orange dye can be effectively degraded under visible irradiation (>470nm).The influence of ferrous ion,oxalate or surfactant DBS was also studied,the results showed that the addition of ferrous ions or DBS may enhance the degradation rate,on the contrary,the addition of oxalate decreased the degradation rate.