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TPH, $CO_2$ and VOCs Variation Characteristics of Diesel Contaminated Aquifer by In-situ Air Sparging  

Lee, Jun-Ho (Department Environmental Science, Hankuk University of Foreign Studies)
Park, Kap-Song (Department Environmental Science, Hankuk University of Foreign Studies)
Publication Information
Journal of Soil and Groundwater Environment / v.11, no.6, 2006 , pp. 18-27 More about this Journal
Abstract
Air Sparging (IAS, AS) is a ground-water remediation technique, in which organic contaminants are volatilized into air as they rise from saturated to vadose soil zone. This study was conducted to investigate the variation characteristics of TPH, VOCs and $CO_2$ for air sparging of diesel contaminated saturated soil. Initial TPH concentration was 10,000 mg/kg for saturated soil phase and 1,001 mg/L for soil aquifer phase. After 36 days of air sparging, the equilibrium temperature of 2-Dimension experiment system was $24.9{\pm}1.5^{\circ}C$. The saturated soil TPH concentration (in the C10 port close to air diffuser) was reduced to 66.0% of the initial value. The mass amount of $CO_2$ was 3,800 mg and 3,200 mg in air space (C70 port) and in unsaturated soil zone (C50 port), respectively. The VOCs production kinetic parameter was 0.164/day in the air space (C70 port) and 0.182/day in the unsaturated soils (C50 port).
Keywords
In-situ Air Sparging (IAS, AS); Total Petroleum Hydrocarbons (TPH); Groundwater remediation; Diesel contaminated soil;
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Times Cited By KSCI : 1  (Citation Analysis)
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