Optimization of Organic Content Removal from Aqueous Solutions by Fenton-Ozonation
Source abstract
Abstract
This paper presents a study on the optimization of 2,4-Dichlorophenoxyacetic (2,4-D) acid removal from synthetic wastewater by batch Fenton-Ozonation. The aim of this study is to evaluate the potential of the catalytic system Fe-L27 coupled to ozonation in the presence and absence of H2O2 as an effective and affordable technique for the treatment of organic pollutants in water. Fenton-like catalysts for the removal of 2,4-D in aqueous solutions were elaborated using catalysts synthesized by the wet impregnation method. The ACs and prepared catalysts were characterized by nitrogen adsorption–desorption isotherms at 77 K, TGA, XPS, SEM, and TEM. Their efficiency as Fenton-like catalysts was studied. In a first step, a response surface modeling method was employed in order to find the optimal parameters of the Fenton process, and then the optimal O3/H2O2 ratio was established at laboratory scale. Finally, the investigated advanced oxidation processes were carried out at pilot scale. The results show that Fenton-like catalysts obtained by the direct impregnation method enhance the degradation rate and mineralization of 2,4-D.
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Research context
OpenAlex topics: Advanced oxidation water treatment · Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
ICMN (Interfaces, Confinement, Materials and Nanostructures)—The French National Centre for Scientific Research (UMR 7374), Université d Orléans, 1B rue de la Ferollerie CS 40059, 45071 Orléans Cedex 2, France
Faculty of Chemical Engineering and Environmental Protection “Cristofor Simionescu”, Gheorghe Asachi Technical University of Iasi, 700050 Iasi, Romania
Funding
Region Centre Val de Loire
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