posted on 2025-08-08, 11:56authored byHoward Leroy Willett, III
Access to clean drinking water is one of the most important problems our society faces in the coming future. In attempt to address this pervasive problem, advanced oxidation processes, such as derivatives of the Fenton reaction and iron-doped TiO2, have been investigated as a means to purify water. Through monitoring Allura Red’s (AR) absorbance, it was found that two common versions of the Fenton reaction, the Fe2+/H2O2 and Co2+/PMS (peroxymonosulfate) systems, have similar decolorization rates. Iron-doping TiO2 is showing the desired lowering of the conduction band and band gap, but initial dye decolorization experiments are showing little decolorization of dye. Further testing with both methods must be investigated to develop a purification system capable of removing all water pollutants.