Preparation of TiO2 nanoparticle and photocatalytic properties on the degradation of phenol

2nd International Conference on Advances in Energy Resources and Environment Engineering

能源学;生态环境科学

Wang, Guanyu^1 ; Xu, Deping^1 ; Guo, Weijie^1 ; Wei, Xiaohui^1 ; Sheng, Zhe^1 ; Li, Zhi^2

School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing

100083, China^1

Institute of Geology and Geophysics, CAS, Beijing

100083, China^2

关键词: Calcination temperature;    Degradation of phenols;    Distilled water;    Phenol solutions;    Photocatalytic activities;    Photocatalytic property;    TiO2 nano-particles;    Titanium dioxides (TiO2);   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/59/1/012046/pdf
DOI  :  10.1088/1755-1315/59/1/012046

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Titanium dioxide (TiO2) nanoparticle in the diameter of 30-50nm in this study was prepared by sol-gel method. X-ray diffraction (XRD) and scanning electron microscope (SEM) were employed to investigate the characteristics of TiO2nanoparticle. The effect of amount of distilled water and absolute ethyl alcohol, calcination temperature on photocatalytic activity were explored on the degradation of phenol. The results showed that the optimal amount of distilled water and absolute ethyl alcohol and calcination temperature was 5mL, 90mL and 575°C, respectively. Moreover, in the photocatalytic activity test, the effect of TiO2nanoparticle amount and the pH value of phenol solution on the degradation of phenol were discussed. The results showed that the optimal amount of TiO2nanoparticle was 75mg in 150mL of phenol solution (100mg/L) and the degradation reached 92.4% when the pH value was 1. The utilization of TiO2nanoparticle on the degradation of phenol is promising for the coal-chemical wastewater.