The subsurface occurrence of ground water can be divided into two zones (Fig. 4.1): (i) Vadose zone or unsaturated zone or zone of aeration, and (ii) Phreatic zone or saturated zone or zone of saturation. In the saturated zone, all pores or voids are filled with water, whereas in the unsaturated zone, pores contain gases […]
Occurrence of Ground Water (With Diagram) | Well Irrigation
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Removal of Pollutants from Groundwater
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The following points highlight the top two methods used for the removal of pollutants from groundwater. The methods are: 1. Active Remediation 2. Natural Attenuation and Monitoring. Method # 1. Active Remediation: The predominant groundwater remediation strategy is the application of the so-called ‘pump-and-treat’ technology in which mainly physico-chemical techniques are used to remove the […]
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