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It has been demonstrated that Photo-Fenton process is feasible for the remediation of wastewater containing multiple organic pollutants. In order to promote its industrialization, control strategies have to be defined and tested. The objective of the present work is to describe a mathematical equation that fits the amount of COD abated regarding the dose of H 2 O 2 . UVA Laboratory-scaled and solar up-scaled experiments are compared. Also two H 2 O 2  supply strategies are compared; one in which H 2 O 2  is added at the beginning of an experiment; the second, H 2 O 2  is added in doses through an experiment. According to the results, simple equations have been found to fit experimental COD degraded depending on the amount of H 2 O 2  supplied. There is also a ratio of COD degraded per amount of H 2 O 2  consumed that fits a wide range of operating conditions. The ratio is estimated to be 0.51 (mg O 2 /mg H 2 O 2 ) which can be considered as a stoichiometry of Photo-Fenton process in the current conditions.

Simple Models for the Control of Photo-Fenton by Monitoring H 2 O 2