首页 | 本学科首页   官方微博 | 高级检索  
     检索      

二氧化钛纳米管阵列制备及其对甲基橙的降解应用
引用本文:黄华斌,顾威,庄峙厦,王小如.二氧化钛纳米管阵列制备及其对甲基橙的降解应用[J].安徽农业科学,2016,44(36):104-106.
作者姓名:黄华斌  顾威  庄峙厦  王小如
作者单位:厦门华厦学院检验科学与技术系,福建厦门,361024;日本电子厦门分公司,福建厦门,361025;厦门华厦学院检验科学与技术系,福建厦门361024;厦门大学化学化工学院,福建厦门361005
基金项目:福建省中青年教师基金项目( JA15880)。
摘    要:目的]研制一种新型的TiO_2光催化材料,用于有机污染物的降解。方法]采用电化学氧化法制备了钛基TiO_2纳米管阵列,表征其微观结构,以甲基橙为降解对象,考察了烧结温度、染料初始浓度和p H对TiO_2纳米管阵列催化降解性能的影响。结果]500℃烧结温度条件下制得的TiO_2纳米管阵列形貌良好且降解效率最高;TiO_2纳米管阵列对初始浓度较高的染料降解效率高于低浓度的;甲基橙溶液p H为3时,TiO_2纳米管阵列对其降解效率高于p H为7时;TiO_2纳米管阵列(500℃)对10 mg/L甲基橙溶液(p H 3)60 min降解效率可达85.2%。结论]该试验制备的TiO_2纳米管阵列可有效光催化降解有机染料,在染料废水脱色等领域具有广阔的应用前景。

关 键 词:二氧化钛  纳米管阵列  光催化  有机染料

Preparation of Titanium Dioxide Nanotube Arrays and Its Application in the Degradation of Organic Dyes
Abstract:Objective]To develop a new type of titanium dioxide (TiO2) photocatalyst for the degradation of organic pollutants.Method] Tita-nium based titanium dioxide (TiO2) nanotube arrays were prepared by electrochemical oxidation method,and their microstructures were charac-terized,degradation of methyl orange was used to investigate the sintering temperature ,initial dye concentration and the effect of pH on the catalyt-ic performance of TiO2 nanotube arrays.Result] The results showed that TiO2 nanotube arrays prepared by sintering temperature at 500 ℃had good morphology and the highest photocatatytic degradation efficiency; The efficiency of dye degradation with higher initial concentration was higher than that of low concentration by TiO 2 nanotube arrays;The degradation efficiency of methyl orange solution of pH 3 was higher than that of pH 5.77 by TiO2 nanotube arrays.The degradation efficiency of methyl orange solution of 10 mg/L (pH 3) by TiO2 nanotube arrays (500 ℃) in 60 minutes could reach 85.2%.Conclusion] The effective photocatalytic degradation of organic dye by the TiO2 nanotube arrays made in this paper has broad application prospects in the field of dye wastewater decolorization and so on .
Keywords:Titanium dioxide  Nanotube array  Photocatalytic  Organic dyes
本文献已被 CNKI 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号