Figure 4 32 typical air sparging system air sparging is an in situ technology in which air is injected through a contaminated aquifer injected air traverses horizontally and vertically in channels through the soil column creating an underground stripper that removes contaminants by volatilization. Air sparging as involves injection of air into contaminated groundwater to drive volatile and semivolatile contaminants into the overlying vadose zone through volatilization sve is commonly implemented in conjunction with air sparging to remove the generated vapor phase contamination from the vadose zone. Air sparging involves the injection of air or oxygen through a contaminated aquifer injected air traverses horizontally and vertically in channels through the soil column creating an underground stripper that removes volatile and semivolatile organic contaminants by volatilization. Such as air sparging to reduce the cost and time of remediation air sparging is an emerging in situ technology that enhances desorption and bioremediation of saturated soils by forcing air under pressure
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