Fe_2O_3/膨润土微波诱导氧化处理染料废水  

Treatment of Dye Wastewater by Microwave Induced Oxidation Process with Fe_2O_3/Bentonite Catalyst

作　　者：张静[1] 张惠灵[1] 麻园[1] 汪晶[1] 

机构地区：[1]武汉科技大学资源与环境工程学院,湖北武汉430081

出　　处：《化工环保》2010年第3期214-218,共5页Environmental Protection of Chemical Industry

基　　金：湖北省教育厅重点项目(D200711007)

摘　　要：以膨润土为载体,采用直接沉淀法制备了Fe2O3/膨润土负载型催化剂。制备催化剂的最佳工艺条件:硝酸铁质量浓度为8.08g/L,硝酸铁与膨润土质量比为1.0,焙烧温度为350℃,焙烧时间为3h。用Fe2O3/膨润土负载型催化剂微波诱导氧化处理50mL质量浓度为50mg/L的模拟活性嫩黄废水的最佳工艺条件:催化剂加入量为0.5g,微波功率为900W,微波作用时间为5min。在此条件下模拟活性嫩黄废水脱色率达96.40%。微波诱导氧化处理模拟活性嫩黄废水的反应符合一级反应动力学方程。The Fe2O3/bentonite catalyst was prepared by direct precipitation method using bentonite as carrier.The optimum preparation conditions are as follows: mass concentration of ferric nitrate 8.08 g/L,mass ratio of ferric nitrate to bentonite 1.0,calcination temperature 350 ℃,calcination time 3 h.The Fe2O3/bentonite catalyst was used to treat the simulated wastewater containing reactive brilliant yellow by microwave induced oxidation process and the optimum process conditions are as follows: mass concentration ...

关 键 词：氧化铁 膨润土 负载型催化剂 微波诱导氧化 活性嫩黄 染料 废水处理 

分 类 号：X703[环境科学与工程—环境工程]