Activated Carbon Adsorption is a widely used method of cleaning groundwater. In it, particles of carbon are used to remove chemical compounds from water. Compressed air is forced through a well screen placed in the aquifer causing a bubbling effect in the groundwater. Contaminants in the groundwater are forced into the soils above the aquifer. These contaminants can then be removed by soil vapor extraction.
Air sparging can enhance bioremediation.
Air Stripping is a method in which groundwater contaminated with petroleum is mixed with air. The mixing process removes the dissolved petroleum from the water by transferring it into the air. Local air pollution rules may prohibit using this method. Enhanced bioremediation refers to the addition of microorganisms or chemicals to speed up the natural rate of breakdown of petroleum products in the soil. BTEX is the abbreviation for B enzene, T oluene, E thylbenzene, and X ylene, which are all chemical compounds in gasoline.