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首页> 外文期刊>RSC Advances >Enhanced catalytic degradation of amoxicillin with TiO2–Fe3O4 composites via a submerged magnetic separation membrane photocatalytic reactor (SMSMPR)
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Enhanced catalytic degradation of amoxicillin with TiO2–Fe3O4 composites via a submerged magnetic separation membrane photocatalytic reactor (SMSMPR)

机译：通过浸没式磁分离膜光催化反应器（SMSMPR）增强TiO2-Fe3O4复合材料对阿莫西林的催化降解

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摘要

A novel photo-Fenton catalytic system for the removal of organic pollutants was presented, including the use of photo-Fenton process and a submerged magnetic separation membrane photocatalytic reactor (SMSMPR). We synthesized TiO _(2) –Fe _(3) O _(4) composites as the photocatalyst and made full use of the magnetism of the photocatalyst to realize the recollection of the catalyst from the medium, which is critical to the commercialization of photocatalytic technology for wastewater treatment. The photo-Fenton performance of TiO _(2) –Fe _(3) O _(4) is evaluated with amoxicillin trihydrate (AMX) as a target pollutant. The results indicate that the TiO _(2) –Fe _(3) O _(4) /H _(2) O _(2) oxidation system shows efficient degradation of AMX. Fe _(3) O _(4) could not only enhance the heterogeneous Fenton degradation of organic compounds but also allow the photocatalyst to be magnetically separated from treated water. After four reaction cycles, the TiO _(2) –Fe _(3) O _(4) composites still exhibit 85.2% removal efficiency of AMX and show excellent recovery properties. Accordingly, the SMSMPR with the TiO _(2) –Fe _(3) O _(4) composite is a promising way for removing organic pollutants.
机译：提出了一种新型的光芬顿催化体系，用于去除有机污染物，包括使用光芬顿过程和浸没式磁分离膜光催化反应器（SMSMPR）。我们合成了TiO _（2）-Fe _（3）O _（4）复合材料作为光催化剂，并充分利用了光催化剂的磁性来实现从介质中回收催化剂，这对于光催化剂的商业化至关重要。光催化技术处理废水。以三水合阿莫西林（AMX）作为目标污染物评估了TiO _（2）–Fe _（3）O _（4）的光芬顿性能。结果表明，TiO _（2）–Fe _（3）O _（4）/ H _（2）O _（2）氧化系统显示出AMX的有效降解。 Fe _（3）O _（4）不仅可以增强有机化合物的非均相Fenton降解，还可以使光催化剂与处理过的水中发生磁性分离。经过四个反应循环后，TiO _（2）–Fe _（3）O _（4）复合材料仍然显示出85.2％的AMX去除效率，并显示出优异的回收性能。因此，具有TiO _（2）–Fe _（3）O _（4）复合材料的SMSMPR是一种去除有机污染物的有前途的方法。

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