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Feasibility Study on Remediation for Railroad-contaminated Soil with Waste-lubricant  

Park, Sung-Woo (Department of Environmental Engineering, Kumoh National Institute of Technology)
Shin, Min-Chul (Department of Environmental Engineering, Kumoh National Institute of Technology)
Jeon, Chil-Sung (Department of Environmental Engineering, Kumoh National Institute of Technology)
Baek, Ki-Tae (Department of Environmental Engineering, Kumoh National Institute of Technology)
Lee, Jae-Young (Environments and Fire Control Research Team, Korea Railroad Research Institute)
Publication Information
Journal of Soil and Groundwater Environment / v.13, no.2, 2008 , pp. 30-35 More about this Journal
Abstract
In this study, the feasibility of soil washing, chemical oxidation and sonication was investigated to treat lubricantcontaminated railroad soil. Tergitol, a non-ionic surfactant, was used as a washing agent with or without iso-propyl acohol as a cosolvent. However, it was not effective to remove lubricant from soil even though tergitol was the most effective washing agent for diesel-contaminated soil. The cosolvent reduced the overall washing efficiency. Chemical oxidation removed 30% of lubricant from contaminated soil. Soil washing after chemical oxidation extracted additionally 16-17% of lubricant. Sonication enhanced-soil washing showed enhanced overall efficiency of soil washing. Lubricant-contaminated soil should be remediated by the other technology used for diesel-contaminated soil.
Keywords
Railroad-contaminated soil; Lubricant oil; Soil washing; Chemical oxidation; Sonication;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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