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http://dx.doi.org/10.7464/ksct.2017.23.3.302

Evaluation of Soil Flushing Column Test for Oil-contaminated Soil Treatment  

Kang, Hui-Cheon (National Environment Lab.)
Han, Byeong-Gi (Department of Earth & Environmental Engineering, Kangwon National University)
Kim, Joung-Dae (Department of Health & Environment, Hallym Polytechnic University)
Seo, Seung-Won (Department of Environmental Business, Dongmyung Ent. Co., Ltd.)
Shin, Chul-Ho (Seohae Environment Science Institute)
Park, Joon-Seok (Department of Earth & Environmental Engineering, Kangwon National University)
Publication Information
Clean Technology / v.23, no.3, 2017 , pp. 302-307 More about this Journal
Abstract
This study was conducted to evaluate the feasibility of in situ soil flushing for TPH-contaminated soil remediation with column test. The soil texture of the soil was sand and the initial TPH concentration was $9,369mg\; kg^{-1}$. 0.1% Tween-80 was selected as surfactant solution. And the acrylic and the glass syringe columns were used as reactors. In the acrylic column test, 35% of the initial TPH was removed in 1 PV of flushing and approximately 40% in 5 PV and finally 7 PV showed about 60%. The glass column test showed 3 ~ 12% higher removal efficiency than that of acrylic test until 5 PV of flushing. However, there was no difference in TPH removal efficiency when 7 PV of surfactant was finally flushed. Both of alum only and alum+polymer mixed surfactants showed also the best coagulation efficiency in $150mg\;L^{-1}$ of concentraion. When Tween 80 was newly dissolved in 0.1% to the recovered solution after the coagulation treatment, the removal efficiency was increased from 32.0% to 41.0% in comparison to the new 0.1% Tween 80 solution without reuse by coagulation treatment.
Keywords
Soil flushing; Column test; TPH (total petroleum hydrocarbon); Surfactant;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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