Abstract
The degradation and mineralization process of the anionic surfactant sodium 2ethylhexyl sulfate (2-EHS) was studied using the photo-catalytic oxidation process with Fenton reagent. As a result of the scientific research it has been found that the efficiency of degradation of the surfactant 2-EHS depends on the pH of the reaction medium. It was found that in the pH=2-2.5 range the residual concentration of the 2-EHS is minimal and increases with increasing pH, an important role in these processes is belongs to [Fe2+] and [H2O2]. The optimal conditions for carrying out the photocatalytic degradation of the 2-EHS were determined: [H2O2] = 0.3 mM, [Fe2+] = 0.8 mM, pH = 2.5. It was established that under such conditions the Fenton photo-catalytic oxidation process proceeds with an efficiency of 95%.
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