非均相类Fenton纳米催化剂α-Fe_(2)O_(3)-Co_(3)O_(4)的制备及降解亚甲基蓝模拟废水研究

Preparation of Heterogeneous Fenton Nano-catalystα-Fe2O3-Co_(3)O_(4)And Degradation of Methylene Blue Simulated Wastewater

通过改进水热法合成了非均相类Fenton纳米二元催化剂α-Fe_(2)O_(3)-Co_(3)O_(4),用于降解模拟染料废水亚甲基蓝(MB),通过对MB浓度,H_(2)O_(2)浓度,催化剂用量、降解温度等参数对降解率的影响及优化研究表明,非均相类Fenton二元催化剂α-Fe_(2)O_(3)-Co_(3)O_(4)协同降解活性效率高于α-Fe_(2)O_(3),Co_(3)O_(4)单独作用,在60℃时50min内降解率达93.72%,连续循环使用5次仍保持较高的催化活性。

A heterogeneous Fenton-like nano binary catalystα-Fe_(2)O_(3)-Co_(3)O_(4)was synthesized by an improved hydrothermal method,which was used to degrade simulated dye wastewater methylene blue(MB).Through the MB concentration,H_(2)O_(2)concentration,catalyst dosage,degradation temperature and other parameters The effect on degradation rate and optimization studies show that the heterogeneous Fenton binary catalystα-Fe_(2)O_(3)-Co_(3)O_(4)synergistic degradation activity efficiency is higher than that ofα-Fe_(2)O_(3).Co_(3)O_(4)acts alone,and the degradation rate reaches 93.72%within 50 minutes at 60℃.It keeps high catalytic activity even after 5 consecutive cycles.