Photocatalytic degradation techniques have been widely used for the treatment of high organic content wastewater. The use of TiO₂ photocatalytic activity combined with electroflotation process to treat a wastewater is still very rare and needs to be understood. This study proposed the UV/TiO₂/Electroflotation process as a new method for the treatment of textile dyeing industry wastewater. The performance of UV/TiO₂/Electroflotation microreactor system to remove the chemical oxygen demand (COD) was compared with that of other microreactor systems for the experiments conducted at different hydraulic retention times (HRTs) of 13, 30 and 60 min. The results showed that the COD removal efficiency of Florescent microreactor is lower than that of Florescent/TiO₂ microreactor and then is lower than that of UV microreactor and then is lower than that of UV/TiO₂ microreactor and then is lower than that of UV/TiO₂/Electroflotation microreactor. Three microreactor systems of UV, UV/TiO₂ and UV/TiO₂/Electroflotation with their HRT of 60 min are capable of removing more than 90% of COD from the wastewater containing dyes. The efficiencies of COD removal by the UV/TiO₂/Electroflotation microreactor are approximately 25% higher than those by the UV/TiO₂ microreactor and are more than 81% higher than those by the UV microreactor, using the HRTs of 15 and 30 min. The use of UV/TiO₂/Electroflotation process could be useful for the treatment of high organic content wastewater to contribute to advanced wastewater technology needed in the future.

光催化降解技术已被广泛用于处理高有机物含量的废水。TiO ₂光催化活性结合电浮法处理废水的应用仍然非常罕见，需要了解。这项研究提出了UV / TiO ₂ /电浮选工艺作为处理印染工业废水的新方法。对于在13、30和60分钟的不同水力停留时间（HRT）下进行的实验，将UV / TiO ₂ /电浮微反应器系统去除化学需氧量（COD）的性能与其他微反应器系统的性能进行了比较。结果表明，荧光微反应器的COD去除率低于荧光/ TiO。₂微反应器，然后低于UV微反应器，然后低于UV / TiO ₂微反应器，然后低于UV / TiO ₂ /电浮微反应器。UV，UV / TiO ₂和UV / TiO ₂ /电浮的三种微反应器系统的HRT为60分钟，能够从含染料的废水中去除90％以上的COD。使用15分钟和30分钟的HRT，UV / TiO ₂ /电浮微反应器去除COD的效率比UV / TiO ₂微反应器去除COD的效率大约高25％，比UV / TiO ₂微反应器去除COD的效率高81％以上。 。UV / TiO _2的使用/电浮选工艺可能用于处理高有机物含量的废水，从而有助于将来所需的先进废水技术。