Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12104/90750
Title: Regulation of Hydrogen Peroxide Dosage in a Heterogeneous Photo-Fenton Process
Author: Saldaña-Flores, Karla Estefanía
Flores-Estrella, René Alejandro
Alcaraz-Gonzalez, Victor
Carissimi, Elvis
Gonçalves de Souza, Bruna
Martins Ruotolo, Luís Augusto
Urquieta-Gonzalez, Ernesto
Issue Date: 2021
Publisher: Editorial MDPI
Abstract: In this work, a classical linear control approach for the peroxide (H2O2) dosage in a photo-Fenton process is presented as a suitable solution for improving the efficiency in the treatment of recalcitrant organic compounds that cannot be degraded by classical wastewater treatment processes like anaerobic digestion. Experiments were carried out to degrade Lignin, Melanoidin, and Gallic acid, which are typical recalcitrant organic compounds present in some kinds of effluents such as vinasses from the Tequila and Cachaça industries. Experiments were carried in Open-Loop mode for obtaining the degradation model for the three compounds in the form of a Transfer Function, and in Closed-Loop mode for controlling the concentration of each compound. First-order Transfer Functions were obtained using the reaction curve method, and then, based on these models, the parameters of Proportional Integral controllers were calculated using the direct synthesis method. In the Closed-Loop experiments, the Total Organic Carbon removal was 39% for lignin, 7% for melanoidin, and 29% for Gallic acid, which were greater than those obtained in the Open-Loop experiments.
URI: https://hdl.handle.net/20.500.12104/90750
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