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The Remediation Characteristic of Soil Contaminated with Heavy Metal and Total Petroleum Hydrocarbon (TPH) by Enhanced Electrokinetic with Fenton Oxidation and Soil Flushing Method
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 Title & Authors
The Remediation Characteristic of Soil Contaminated with Heavy Metal and Total Petroleum Hydrocarbon (TPH) by Enhanced Electrokinetic with Fenton Oxidation and Soil Flushing Method
Seo, Seok-Ju; Na, So-Jeong; Kim, Jung-Hwan; Park, Joo-Yang;
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 Abstract
This research reports the enhanced Electrokinetic (EK) with and sodium dodecyl surfate (SDS), which are commonly used in Fenton oxidation and soil flushing method, in order to remediate soil contaminated with heavy metals and Total Petroleum Hydrocarbons (TPH) simultaneously. In addition, influences of property of soil and concentration of chemical solution were investigated through experiments of different types of soils and varying concentration of chemical reagents. The results indicated, in the experiments using artificially contaminated soil, the highest removal efficiency of heavy metals using 10% and 20mM SDS as electrolytes. However, in the experiments using Yong-San soils (study area), remediation efficiency of heavy metals was decreased because high acid buffering capacity. Through experiment of 20% and 40mM SDS, increased electric current influences the remediation of heavy metals due to decrease in the soil pH. In the experiments of Yong-San soils, the remediation efficiency of TPH was decreased compared with artificially spiked soils because high acid buffering capacity and organic carbon contents. Furthermore, the scavenger effect of SDS influenced TPH oxidation efficiency under the conditions of injected 40mM SDS in the soils. Therefore, the property of soil and concentration of chemical reagents cause the electroosmotic flow, soil pH, remediation efficiency of heavy metals and TPH.
 Keywords
Soil contamination;Heavy metal;Total petroleum hydrocarbon (TPH);Electrokinetic (EK);Fenton oxidation;
 Language
Korean
 Cited by
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