CoFe_2O_4磁性光催化材料的制备及其对四环素废水的降解

通过水热法成功制备了CoFe_2O_4磁性光催化材料,并将合成的CoFe_2O_4磁性材料应用于可见光照射下降解四环素(TC)模拟废水,考察了CoFe_2O_4磁性材料的光催化性能,同时考察了CoFe_2O_4制备过程中不同制备条件对其光催化活性的影响。通过捕获实验考察CoFe_2O_4光催化降解四环素的主要活性自由基;经过3次循环实验发现,采用水热法合成的CoFe_2O_4磁性光催化材料具有较好的稳定性,对四环素模拟废水的降解率达到65.78%。

Photo-degradation of Tetracycline with Prepared CoFe2O4 Magnetic Photocatalyst

Due to the unique characteristic of magnetic separation,magnetic materials have been widely used in the field of photocatalysis.The CoFe2O4 magnetic photocatalytic was successfully synthesized by a simple hydrothermal method.It displays promising photocatalytic activity towards the photo-degrading of tetracycline(TC) in aqueous solution.Meanwhile,the effects of different preparation conditions on the photocatalytic activity of CoFe2O4 were investigated.The as-prepared samples were carefully evaluated by XRD,TEM,XPS,VSM,UV-vis DRS.Furthermore,the mechanism was systematically investigated through active species trapping experiment.After three cycling experiments,the hydrothermal synthesis of CoFe2O4 magnetic photocatalytic materials still has good stability and the photocatalyst degradation rate of TC is 65.78％.