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J Korean Soc Environ Eng > Volume 37(6); 2015 > Article
J Korean Soc Environ Eng 2015;37(6): 340-348. doi: https://doi.org/10.4491/KSEE.2015.37.6.340
유사-펜톤 반응과 계면활성제에 의한 해양퇴적물의 PCBs 정화
최진영, 김경련
한국해양과학기술원
Reduction of PCBs in Contaminated Marine Sediments by Using Fenton-like Reaction with Surfactants
Jin Young Choi, Kyoungrean Kim
Korea Institute of Ocean Science and Technology
Corresponding author  Kyoungrean Kim ,Tel: 031-400-6185, Fax: 031-408-4493, Email: kyoungrean@kiost.ac
Received: May 22, 2015;  Revised: June 18, 2015;  Accepted: June 24, 2015.  Published online: June 30, 2015.
ABSTRACT
Removal efficiency of PCBs in contaminated marine sediments treated by Fenton-like oxidation combined with surfactant was investigated in this research in order to achieve remediation of PCBs. A washing treatment using various concentrations of hydrogen peroxide (1% and 15%) and surfactants (Triton X-100, Tween 60 and Tween 80) was evaluated at various conditions in laboratory scale experiments. The mean removal efficiencies of tPCBs varied from 24.1 to 46.7% in the sediments for 1 hour duration of the treatments. The concentration of tPCBs in contaminated marine sediments after the simultaneous treatment with hydrogen peroxide and surfactant satisfied the domestic environmental standards for the beneficial use of sediments. When suitable surfactant was used for Fenton-like oxidation, the removal efficiency of tPCBs at low concentration of hydrogen peroxide was similar to that at high hydrogen peroxide concentration. Thus the efficient removal of PCBs in contaminated marine sediments could be achieved through treatment with Fenton-like oxidation combined with surfactant washing.
Key Words: Fenton-like Reaction, Non-Ionic Surfactants, Polychlorinated Bipenyls, Marine Sediments, Remediation
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