Authors : Susmita A. Mandavgane
Page Nos : 164-167
Description :
Iron photochemical oxidation has been used to remove 2- Toluic acid present in cosmetic wastewater. Two different light systems were used: solar light and UV lamps. The effect of iron concentration and doses of H2O2 at pH 3 were investigated. At similar experimental conditions, the rate of degradation of 2- toluic acid for the different light systems were compared. The optimum conditions were found to be : pH 3, dose of 1.7 mML-1 H2O2 and 0.0093 mML-1 for Fe(II) and reaction time 90 min. The experimental results show that Fenton’s oxidation process successfully achieved very good removal efficiency; over 96% when UV light is used and 80 % when solar light is used in 90 min reaction time.A pseudo-first order kinetic model was adopted to represent the photo-oxidative degradation of 2-toluic acid.
Keywords: 2- Toluic acid, photo- fenton process, photo-oxidative degradation.
