Photocatalytic degradation of organic dyes pollutants in the industrial textile wastewater by using synthesized TiO 2 , C-doped TiO 2 , S-doped TiO 2 and C,S co-doped TiO 2 nanoparticles

Journal of Water and Environmental Nanotechnology

ARTICLE

Helmy, Elsayed Talat¹  El Nemr, Ahmed¹  Mousa, Mahmoud²  Arafa, Esam³  Eldafrawy, Shady³ 

[1] Environment Division, National Institute of Oceanography and Fisheries;Chemistry Department, Faculty of Science, Benha University;Chemistry Department, Faculty of Science, Mansoura University

关键词: Non-Metal Doped Tio2 Nps;    Photocatalytic degradation;    Reactive Blue 19 Dye;    Reactive Red 76 Dye;    Sol-gel process;   

DOI  :  10.22090/jwent.2018.02.003

学科分类：数学（综合）

来源: Iranian Environmental Mutagen Society

【 摘 要 】

This paper describes the photocatalytic degradation of Reactive Blue 19 (RB-19) and Reactive Red 76 (RR-76) dyes pollutant in the industrial wastewater using TiO2 , C-doped TiO2 (C-TiO2 ), S-doped TiO2 (S-TiO2 ) and C,S co-doped TiO2 (C,S-TiO2 )nanoparticles as photocatalysts, which were synthesized via sol-gel process. The prepared photocatalysts were characterized by scanning electron microscopy (SEM), X-Ray diffraction (XRD), Fourier transformer infra-red spectroscopy (FTIR), Energy dispersive spectroscopy (EDAX) and ultraviolet-visible absorption spectroscopy (UV-Vis). The dyes degradation was investigated under several experimental parameters such as pH, catalyst load, dye concentration, shaking speed, irradiation time and catalyst recovery. The photocatalytic dose was found to be 1.6 g/L and the efficiency of RB-19 and RR-76 photocatalytic degradation attained 100 % after 1 h irradiation time under visible light. The chemical oxygen demand (COD) values were determined for wastewater and treated wastewater. Toxicity and biological activity of the treated and untreated wastewater on marine aquatic organisms rotifer, artemia and Vibrio parahaemolyticus were investigated.

【 授权许可】

CC BY