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http://dx.doi.org/10.4491/KSEE.2011.33.4.281

Development of Various Pilot Scale's Ultrasound Systems and Sonodegradation of Naphthalene in Water  

Park, Jong-Sung (Department of Chemistry and Environmental Sciences, Korea Army Academy at Young-Cheon)
Lee, Ha-Yun (Department of Chemistry and Environmental Sciences, Korea Army Academy at Young-Cheon)
Han, Jong-Hun (Department of Chemistry and Environmental Sciences, Korea Army Academy at Young-Cheon)
Her, Nam-Guk (Department of Chemistry and Environmental Sciences, Korea Army Academy at Young-Cheon)
Publication Information
Journal of Korean Society of Environmental Engineers / v.33, no.4, 2011 , pp. 281-288 More about this Journal
Abstract
Recently, researches that a variety of contaminants in water are removed by sonolysis technology with oxidation and pyrolysis process from cavitation were conducted. However, there are few studies for sonochemical treatment by a pilot-scale ultrasound system. This research focused on developing pilot-scale ultrasound systems, which could be an continuously effective treatment for a large volumes of contaminants, and demonstrating the feasibility of utilizing these systems to remove naphthalene from groundwater. V-120 type reactor was found to be 1.4~2.2 times higher effective than the normal type. A total of three different pilot scale's systems consisted of installing effluent and irrigation water in order to be a continuos system, including supplemental additives, and applying a V-120 type reactor and a external cooling cycle system. Naphthalene levels treated by three systems were lower than a recommended guideline of naphthalene for drinking water in EPA. Especially, the naphthalene removal efficiencies of PS1 and PS2 systems were over 97%. The pilot-scale continuous ultrasound clean-up system delivered over 84~95% naphthalene removal efficiency for treatment of 10~20 liter of groundwater. In addition, the ultrasound system could be successfully applied to the conditions of artificial and genuine groundwater contaminated with naphthalene.
Keywords
Pilot Scale'S Ultrasound System; Naphthalene; Sonodegradation Rate;
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Times Cited By KSCI : 7  (Citation Analysis)
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