Kinetic Modeling of a Binary Mixture of Water Pollutants in a Photocatalytic Microreactor

SATUF, M.L.; EUSEBI, A.L.; BERLI, C.L.A.; MARTIN, M.V.

Cusco

Conferencia; 5th Iberoamerican Conference on Advanced Oxidation Technologies; 2022

Universidad Nacional de Ingeniería

The photocatalytic degradation of 17-α-ethinylestradiol (EE2) and phenol in aqueous solution was studied using a continuous flow, planar microreactor under simulated sunlight. A thin film of palladium-modified TiO2 was employed as photocatalyst. Degradation rates of the single compounds follow pseudo-first order kinetics but, in binary mixtures, the reaction rates of the pollutants can be well described by a simplified Langmuir-Hinshelwood equation. Using the kinetic parameters obtained in the single component experiments, and including a competitive term, the model was able to predict with good accuracy the degradation of the pollutants in the mixture.