氮铈共掺杂TiO2降解亚甲基蓝的研究  

Study on Degradation of Methylene Blue by N-Ce Codoped TiO2

作　　者：赵秀琴[1] 向乾坤[1] ZHAO Xiuqin;XIANG Qiankun(Department of Chemistry and Environmental Engineering , Wuhan Univercity of Bioengineering , Wuhan 430415 , China)

机构地区：[1]武汉生物工程学院化学与环境工程系,湖北武汉430415

出　　处：《河南化工》2020年第7期26-28,共3页Henan Chemical Industry

基　　金：湖北省教育厅科学研究计划指导性项目(B2019261);武汉市教育局重点项目(2015028)。

摘　　要：以钛酸正四丁酯为钛的前驱体,Co(NH2)2、Ce(NO3)3·6H2O为分别为N源和Ce源,采用溶胶-凝胶法制备掺杂了TiO2。用制备的催化剂对亚甲基蓝模拟废水进行了光催化降解实验。结果表明:亚甲基蓝起始浓度为3 mg/L,氮铈共掺杂TiO2用量为0.200 g/(50 mL),紫外光照时间为2.5 h,催化剂煅烧温度为600℃时,亚甲基蓝的降解率最高,可达75.7%。Using titanium n-butyl four as the precursor of titanium,Co(NH2)2,Ce(NO3)3·6H2O as N source and Ce source respectively,TiO2 is prepared by sol-gel method.The photocatalytic degradation experiment of methylene blue simulated wastewater is carried out with the prepared catalyst.The results show that the initial concentration of methylene blue is 3 mg/L,the amount of Ce-N co-doped TiO2 is 0.200 g/(50mL),the UV irradiation time is 2.5 h,and the calcination temperature of catalyst is 600℃,the degradation rate of methylene blue is the highest,up to 75.7%.

关 键 词：溶胶-凝胶法 氮铈共掺杂 TiO2 光催化 

分 类 号：TQ426.94[化学工程]