期刊
WATER AIR AND SOIL POLLUTION
卷 234, 期 1, 页码 -出版社
SPRINGER INT PUBL AG
DOI: 10.1007/s11270-023-06078-1
关键词
Triadimenol; Photo-Fenton reaction; Endocrine-disrupting chemicals; Photocatalysis; Central composite design
This study investigated the oxidative degradation of the endocrine-disrupting compound triadimenol using the photo-Fenton reaction. Different reaction conditions, including the concentrations of Fe2+ ions and H2O2, the initial concentration of triadimefon, and the type of iron salt, were examined and found to strongly influence the degradation rates. The kinetics of the process were characterized as pseudo-first-order and the degradation rate of triadimenol increased with higher Fe2+ and H2O2 concentrations, achieving complete degradation after a short time of illumination. The effectiveness of five different iron salts on the degradation performance was also investigated. Longer time illumination led to complete mineralization and detoxification of triadimenol solutions. The proposed oxidative degradation scheme shows promise for wastewater treatment.
In the present report, the oxidative degradation of an endocrine-disrupting compound triadimenol has been investigated using the photo-Fenton reaction. Different reaction conditions that affected the degradation kinetics were examined including the iron (Fe2+) ions and hydrogen peroxide (H2O2) concentrations, the initial concentration of triadimefon, and the type of iron salt. The degradation rates proved to be strongly influenced by the above parameters. The reaction conditions in terms of Fe2+ and H2O2 concentrations were systematically studied and optimized using an experimental design through central composite design. The kinetics of the process can be characterized as pseudo-first-order. As iron and hydrogen peroxide concentrations increase, the degradation rate of triadimenol accelerates and complete degradation can be achieved after a short time of illumination. The effectiveness of the five different iron salts on the degradation performance were also investigated. Experiments with longer time illumination can lead to complete mineralization and detoxification of triadimenol solutions. The properties of the proposed oxidative degradation scheme make it a promising candidate for wastewater treatment.
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