载钛活性炭纤维的制备及其对水中罗丹明B的光催化降解

发布时间：2018-07-06 06:46

  本文选题：载钛活性炭纤维 + 制备　； 参考：《环境化学》2015年01期

【摘要】：通过溶胶凝胶法制备载钛活性炭纤维(TiO2-ACF)复合材料,采用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、紫外-可见吸收(UV-Vis)、傅里叶红外分光光度计(FT-IR)、X射线光电子能谱(XPS)对TiO2-ACF进行了表征,并研究了TiO2-ACF对水中罗丹明B的光催化性能.结果表明,煅烧温度为400—600℃时,负载在ACF上的TiO2为锐钛矿型,当煅烧温度上升到700℃时,TiO2开始出现金红石型,600℃时煅烧制备的TiO2-ACF对水中罗丹明B的降解效果最佳;TiO2-ACF对罗丹明B的吸附能力比ACF低;但是在紫外光条件下,60 min后TiO2-ACF对罗丹明B的降解率比ACF、TiO2对罗丹明B的降解率分别高8.6%和16.2%,TiO2-ACF表现出较高的光催化活性.
[Abstract]:TiO2-ACF composites were prepared by sol-gel method. TiO2-ACF was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-Vis absorption (UV-Vis), Fourier transform infrared spectrophotometer (FT-IR) and X-ray photoelectron spectroscopy (XPS). The photocatalytic activity of TIO _ 2-ACF for Rhodamine B in water was studied. The results show that the TIO _ 2 supported on ACF is anatase at the calcination temperature of 400-600 鈩，

本文编号：2101847