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http://dx.doi.org/10.4491/KSEE.2017.39.10.575

A Study of Full Scale PUV/US Hybrid System for Contaminant Treatment in Groundwater  

Han, Jonghun (Korea Army Academy at Young-Cheon)
Park, Wonseok (Beautiful Environmental Construction Co., Ltd.)
Lee, Jongyeol (Beautiful Environmental Construction Co., Ltd.)
Heo, Jiyong (Korea Army Academy at Young-Cheon)
Her, Namguk (Korea Army Academy at Young-Cheon)
Publication Information
Journal of Korean Society of Environmental Engineers / v.39, no.10, 2017 , pp. 575-580 More about this Journal
Abstract
Chlorinated hydrocarbons (TCE and PCE), petroleum hydrocarbons (BTEX, PAHs, and TPH), and explosive compounds (TNT, RDX, and HMX) have been detected in underground water countrywide. The overall objective of this study is to evaluate sono-catalytic degradation coupled with the use of PUV in order to understand the fate and transport of a representative selection of non-biodegradable contaminants (i.e., TCE, PCE, BTEX, PAHs, TPH, TNT, RDX, and HMX) in groundwater. Both ultraviolet (UV) and ultrasound (US) systems are used in degrading of organic contaminants and they can thus be applicable simultaneously as an UV/US hybrid system in attempts further to increase the degradation efficiency. Results indicate that synergistic effect of UV/US hybrid system is closely correlated to the enhancement of sono-chemical reactivity with the UV-US interaction of increasing the formation rate of OH by providing additional $H_2O_2$ production through the pyrolysis of water molecules during UV/US hybrid irradiation.
Keywords
Pulsed Ultraviolet; Ultrasound; Groundwater; Radical; Catalyst;
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