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A Review of Combinations of Electrokinetic Applications by Mohamad Jamali Moghadam; Hossein Moayedi; Masoud Mirmohamad Sadeghi; Alborz Hajiannia is a Environmental Science article available to read on EtoBox.

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Anthropogenic activities contaminate many lands and underground waters with dangerous materials. Although polluted soils occupy small parts of the land, the risk they pose to plants, animals, humans, and groundwater is too high. Remediation technologies have been used for many years in order to mitigate pollution or remove pollutants from soils. However, there are some deficiencies in the remediation in complex site conditions such as low permeability and complex composition of some clays or heterogeneous subsurface conditions. Electrokinetic is an effective method in which electrodes are embedded in polluted soil, usually vertically but in some cases horizontally, and a low direct current voltage gradient is applied between the electrodes. The electric gradient initiates movement of contaminants by electromigration (charged chemical movement), electroosmosis (movement of fluid), electrolysis (chemical reactions due to the electric field), and diffusion. However, sites that are contaminated with heavy metals or mixed contaminants (e.g. a combination of organic compounds with heavy metals and/or radionuclides) are difficult to remediate. There is no technology that can achieve the b

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Author

Mohamad Jamali Moghadam; Hossein Moayedi; Masoud Mirmohamad Sadeghi; Alborz Hajiannia

Published

2016

Language

EN

Field

Environmental Science (Physical Sciences)