Abstract
Sulfonamide-class antibiotics are recognized as water pollutants, which have negative environmental impacts. A strategy to deal with sulfonamides is throughout the application of oxidation processes. This work presents the treatment of the sulfacetamide (SAM) antibiotic by electrochemical oxidation, UV-C/H2O2 and photo-Fenton process. It was established the main degradation routes during each process action. A DFT computational analysis for SAM structure was done and mass spectra of primary transformation products were determined. Chemical oxygen demand (COD), total organic carbon (TOC) and biochemical oxygen demand (BOD5) were also followed. Additionally, SAM treatment in simulated seawater and hospital wastewater was measured. These data can be useful for comparative purposes about degradation of sulfonamide-class antibiotics by electrochemical and advanced oxidation processes.
Highlights
Sulfonamide-class antibiotics are recognized as water pollutants, which have negative environmental impacts
This work presents the treatment of the sulfacetamide (SAM) antibiotic by electrochemical oxidation, UV-C/H2O2 and photo-Fenton process
SAM treatment in simulated seawater and hospital wastewater was measured. These data can be useful for comparative purposes about degradation of sulfonamide-class antibiotics by electrochemical and advanced oxidation processes
Summary
Information on the main degradation routes for sulfacetamide (SAM) treatment by the considered processes is initially presented. Such data are relevant to understand action of the systems on the antibiotics [1]. Degradation of SAM under the oxidation processes can be promoted by active chlorine (e.g., electrochemistry) or hydroxyl radical (e.g., photo-Fenton and UV-C/H2O2).
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