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Degradation Characteristic of Endocrine Disruptors (DEP, NP) Using Combined Advanced Oxidation Processes (AOPs)
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 Title & Authors
Degradation Characteristic of Endocrine Disruptors (DEP, NP) Using Combined Advanced Oxidation Processes (AOPs)
Na, Seung-Min; Ahn, Yun-Gyong; Cui, Ming-Can; Cho, Sang-Hyun; Khim, Jee-Hyeong;
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 Abstract
Diethyl phthalate (DEP) and nonylphenol (NP) are widely spread in the natural environment as an endocrine disruption chemicals (EDs). Therefore, in this study, ultrasound (US) and ultraviolet (UVC), including , as advanced oxidation processes (AOPs) were applied to a DEP and NP contaminated solution. When only the application of US, the optimum frequency for significant DEP degradation and a high rate of hydrogen peroxide () formation was 283 kHz. We know that the main mechanism of DEP degradation is radical reaction and, NP can be affected by both of radical reaction and pyrolysis through only US (sonolysis) process and combined US+UVC (sonophotolysis) process. At combined AOPs (sonophotolysis/sonophotocatalysis) such as US+UVC and US+UVC+, significant degradation of DEP and NP were observed. Enhancement effect of sonophotolysis and sonophotocatalysis system of DEP and NP were 1.68/1.38 and 0.99/1.17, respectively. From these results, combined sonophotocatalytic process could be more efficient system to obtain a significant DEP and NP degradation.
 Keywords
Ultrasound(US);Disruption chemicals (EDs);Ultraviolet (UVC);Sonophotolysis;Sonophotocatalysis;Hydroxyl radical;
 Language
Korean
 Cited by
1.
초음파 (US)와 다양한 파장범위의 자외선 (UV) 조사에 따른 DEP 분해특성에 관한 연구,나승민;;신동훈;;김지형;

Journal of Environmental Science International, 2012. vol.21. 7, pp.845-853 crossref(new window)
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