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A Field Study on Electrokinetic Removal of Salts from Greenhouse Soil
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  • Journal title : Korean Chemical Engineering Research
  • Volume 52, Issue 1,  2014, pp.126-132
  • Publisher : The Korean Institute of Chemical Engineers
  • DOI : 10.9713/kcer.2014.52.1.126
 Title & Authors
A Field Study on Electrokinetic Removal of Salts from Greenhouse Soil
Lee, You-Jin; Choi, Jeong-Hee; Sim, Seong-Ju; Ha, Tae-Hyun; Lee, Hyun-Goo;
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 Abstract
A pilot-scale electrokinetic (EK) separation field test (, ) was performed in a greenhouse to remove salts from saline soil. Initially, the greenhouse soil had high electrical conductivity (EC), about 9 dS/m, and contained mainly , and ions. After 2 weeks of EK treatment, the soil EC was reduced to 52% compared with its initial value. The EC reduction was mostly achieved within the first week (47%) due to removal of and ions, but ions with a high adsorption capacity such as and ions were difficult to be removed. During the EK test, the soil temperature increased and it reached around at some regions. For in situ application to soils in cultivation, the current should be controlled to limit increases in temperature, especially near the cathodes. In conclusion, the in situ EK technique is feasible for the restoration of saline greenhouse soils in or no cultivation and an appropriate strategy is necessary for more effective remediation.
 Keywords
Soil Restoration;Electrical Conductivity (EC);Electromigration;Salinity;
 Language
Korean
 Cited by
 References
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