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http://dx.doi.org/10.14249/eia.2016.25.5.333

A Case Study of Monitored Natural Attenuation at a Military Site Contaminated by Petroleum Hydrocarbon in Korea  

Lee, Hwan (Kwangwoon University)
Kang, Seonhong (Kwangwoon University)
Publication Information
Journal of Environmental Impact Assessment / v.25, no.5, 2016 , pp. 333-344 More about this Journal
Abstract
In this study, the efficiency of natural attenuation was evaluated through the hydrogeological characteristics such as monitoring and analyses, tracer tests, chemical composition analysis of the groundwater at a military site contaminated by petroleum hydrocarbon in korea. Also, based on the results, the natural attenuation rate by distance and the expressed biodegradation capacity(EBC) was evaluated. The regression slope of -0.0248($K/V_x$) and bulk attenuation rate of $1.7{\times}10^{-3}/day$ were calculated respectively. The range of total expressed biodegradation capacity(EBC) of BTEX was shown from 9.1 mg/L to 10.0 mg/L(average 9.7 mg/L). It was confirmed that the denitrification which was expressed about 63.6% in the total EBC is the largest influence redox process. Consequently, the biodegradation capacity is considered to be sufficient for remediation in the BTEX average concentration of 1.326 mg/L.
Keywords
Petroleum contaminated site; BTEX; Natural attenuation; Biodegradation capacity;
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