纳米氧化锌光催化降解甲基橙的研究  

Study on photocatalytic degradation of methyl orange with nano-ZnO as catalyst

作　　者：朱良俊[1,2] 崔玉民[1,2] 苗慧[1,2] 尹虎[1] 陶栋梁[1,2] 

机构地区：[1]阜阳师范学院,化学化工学院,安徽阜阳236041 [2]安徽环境污染物降解与监测省级实验室,安徽阜阳236041

出　　处：《应用化工》2014年第8期1416-1418,共3页Applied Chemical Industry

基　　金：安徽省自然科学基金项目(1408085MB35);安徽省科技计划项目(1301042112);安徽省高校优秀青年人才基金重点项目(2013SQRL058ZD);阜阳师范学院科技成果孵化基金项目(2013KJFH01,2013KJFH03);阜阳师范学院校企合作实践教育基地(2013JYFH05)

摘　　要：以硝酸锌、聚乙烯吡咯烷酮为原料,反应温度为80℃,反应时间为8 h,通过加热煅烧制备出纳米氧化锌粉体,煅烧温度500℃可制备纳米级的ZnO粉末,平均粒径为32 nm;水溶液中甲基橙在ZnO光照催化下,能迅速分解。以甲基橙为脱色对象,讨论了催化剂用量、光照时间及pH值对光催化降解甲基橙性能的影响。Using Zn（NO3）2·6H2O and（C6H9NO）n as raw materials,the reaction temperature at 80 ℃and reaction time for 8 h,nano-ZnO powder was prepared by the method of calcining co-precipitation at 500 ℃. The average radius of nano ZnO was 32 nm. Under the UV light,methyl orange in aqueous solu-tion can quickly be decomposed by ZnO catalyst. The effects of amount of catalyst,light time and pH val-ue on photocatalytic degradation of methyl orange were discussed.

关 键 词：纳米氧化锌 光催化 甲基橙 

分 类 号：TQ132.4[化学工程—无机化工]