摘要
采用溶胶-凝胶法制备Fe_3O_4/TiO_2异质磁性催化剂,通过性能流损平衡测试筛选得到最优催化剂Fe_3O_4含量为20%,热处理温度300℃,并对催化剂进行了多手段表征。以罗丹明B为模型污染物,考察催化剂用量、电导率、温度、pH值、复用稳定性的影响。试验结果表明,催化光降解浓度为1×10^(-5)mol/L罗丹明B,电导率为50 m S/cm、温度为30℃、p H值为6、催化剂投加量0.1 g/50 m L,150 min时罗丹明B降解率达到94.6%。
The Fe3O4/TiO2 heterostructure magnetic catalysts are prepared by sol-gel method. The prepa- ration of catalyst is optimized with 20% Fe3O4 （m/m） and calcination temperature at 300 ℃by means of the performance flow loss balance test, and the catalyst is characterized by several means. The catalyst concentrations, electrical conductivity, temperature, pH value and reusable stability are investigated by using Rhodamine B as a target pollutant. The results show that photocatalytic degradation of 1×10^-5 mol/L Rhodamine B can reach 94.6% in 150 min when treated with the solution with 0.1 g/50 mL catalyst, conductivity 50 mS/cm, temperature 30 ℃ and pH value 6.
作者
胡怡超
周李克
滕家辉
高夏苗
陈煜
张凯龙
HU Yi-chao ZHOU Li-ke TENG Jia-hui GAO Xia-miao CHEN Yu ZHANG Kai-long(College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China)
出处
《印染》
北大核心
2017年第5期15-20,共6页
China Dyeing and Finishing
基金
浙江省"生物工程"重中之重学科项目(ZS2015014)
浙江省教育厅科研项目(Y201636707)
浙江省课堂教改项目(kg2015334)
2015年度浙江省高校实验室工作研究项目(YB201548)
浙江万里学院校级<基础化学实验>课程建设2015年度立项课题
