Removal of As, Cadmium and Lead in Sandy Soil with Sonification-Electrokinetic Remediation
نویسندگان
چکیده
منابع مشابه
A review on enhancement techniques of electrokinetic soil remediation
During the last decade, the expansion of urbanization and industrial activities caused serious environmental problems such as soil pollution. Novel technologies are required to remediate soil contamination with toxic contaminants, including heavy metals and organic pollutants. In recent years, there have been increasing attempts to improve soil remediation efficiency. Electrokinetic (EK) is an ...
متن کاملA review on enhancement techniques of electrokinetic soil remediation
During the last decade, the expansion of urbanization and industrial activities caused serious environmental problems such as soil pollution. Novel technologies are required to remediate soil contamination with toxic contaminants, including heavy metals and organic pollutants. In recent years, there have been increasing attempts to improve soil remediation efficiency. Electrokinetic (EK) is an ...
متن کاملRemoval of hexavalent chromium of contaminated soil by coupling electrokinetic remediation and permeable reactive biobarriers.
PURPOSE In this study, a novel and ecological alternative have been developed to treat soils contaminated with hexavalent chromium coupling two well-known systems: electrokinetic remediation and permeable reactive biobarriers. The electric field promotes the electromigration of the hexavalent chromium oxyanions towards the anode. The biobarriers were placed before the anode electrode, in order ...
متن کاملElectrokinetic remediation of organochlorines in soil: enhancement techniques and integration with other remediation technologies.
Electrokinetic remediation has been increasingly used in soils and other matrices for numerous contaminants such as inorganic, organic, radionuclides, explosives and their mixtures. Several strategies were tested to improve this technology effectiveness, namely techniques to solubilize contaminants, control soil pH and also couple electrokinetics with other remediation technologies. This review...
متن کاملEnhanced electrokinetic remediation of cadmium contaminated soils by chelating agents
Electrokinetic soil remediation by electroosmosis and ionic migration is restricted to soluble substances. At a higher pH, the soil particles sorb more heavy metals than at a lower pH and the precipitation reactions of heavy metals are promoted. Both mechanisms make heavy metals immobile, rendering cleanup more difficult and electrokinetic extraction inefficient. In this study, the effectivenes...
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ژورنال
عنوان ژورنال: Journal of Soil and Groundwater Environment
سال: 2013
ISSN: 1598-6438
DOI: 10.7857/jsge.2013.18.7.001