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响应面法优化TiO2 NTs电极的制备 被引量:1

Optimization of preparation of TiO2 NTs electrode by response surface methodology
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摘要 为了探索并确定光电催化剂对罗丹明B处理效果,体现TiO2 NTs催化剂电极对印染废水处理方面的作用和价值,探讨响应面法优化制备TiO2 NTs电极的最佳工艺条件,采用阳极氧化法进行TiO2 NTs电极的制备.通过使用Design-Expert 8.0.6.1软件进行设计分析,经响应面法分析和优化,进行实验后得出:当含水量40%、氧化时间为1.75 h、氟化铵质量分数为0.5%时,制得的TiO2 NTs催化剂电极在紫外光下具有较高的光电催化活性.其在30W紫外光源下,120 min对罗丹明B的降解率可达79.02%.研究结果表明,光电催化降解方法操作简单易行,节能环保并且对有机废物具有降解的功能. In order to explore and determine the effect of photocatalyst on rhodamine B treatment,the role and value of TiO2 NTs catalyst electrode in the treatment of printing and dyeing wastewater,and the optimal process conditions for the preparation of TiO2 NTs electrode by response surface methodology,the anodic oxidation method was used in this experiment.The preparation of the TiO2 NTs electrode was carried out.Through design analysis using Design-Expert 8.0.6.1 software,after response surface analysis and optimization,the experiment was carried out:when the water content was 40%,the oxidation time was 1.75 h,and the ammonium fluoride concentration was 0.5%.The prepared TiO2 NTs catalyst electrode has high photoelectrocatalytic activity under ultraviolet light.Under the 30 W ultraviolet light source,the degradation rate of rhodamine B in 120 min can reach 79.02%.The experimental results showed that the photoelectrocatalytic degradation method was simple and easy to operate,energy-saving and environmentally friendly,and has the function of degrading organic waste.
作者 力亚男 谭冲 李俊生 夏至 左金龙 LI Ya-nan;TAN Chong;LI Jun-sheng;XIA Zhi;ZUO Jin-long(School of Pharmacy,Harbin University of Commerce,Harbin 150076,China;Department of Environmental Engineering,Harbin University of Commerce,Harbin 150076,China)
出处 《哈尔滨商业大学学报(自然科学版)》 CAS 2019年第6期657-661,共5页 Journal of Harbin University of Commerce:Natural Sciences Edition
基金 黑龙江省自然科学基金(No.C2017037)
关键词 TIO2 响应面法 光电催化 罗丹明B 降解率 TiO2 response surface methodology photoelectrocatalysis rhodamine B degradation rate
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