Air stripping technology can be found in many industries and applications. If you work in an industrial field that deals with things like petroleum, dirty groundwater, or harmful contaminants, chances are you have utilized Air Stripping Technology. This equipment is used to clean water in factories, drinking water facilities, waste cleanup sites, and anywhere that contaminated water is found. Air stripping removes chemicals called volatile organic compounds (VOCs), which are chemicals that can evaporate easily by changing from a liquid to a gas. Once the air and chemical vapors are mixed, the vapors are removed or expelled outside if VOC levels are low enough.
Components Commonly Removed by Air Stripping
Advantages of Air Stripping
Packed Air Strippers and How They Work
Packed strippers are more economical and effective for larger flows and when large fractional removals are required, especially in the case of waste waters and highly contaminated source water. They operate at a fraction of the pressure drop which reduces the horsepower requirements for air movement in the stripper. In a conventional air stripper, the contaminated water is introduced to the top of a packed bed and the packing is usually a plastic media that is intended to provide a large effective surface area per unit volume for mass transfer. Water flows down the packed bed in opposite direction to ascending air while the air strips the VOC out and exits the top of the stripper. Clean water leaves the bottom of the packed section into a sump. The liquid is carefully distributed at the top of the tower by means of a specially designed liquid distributor. The packing is supported at the bottom of the bed by a support plate that is carefully designed not to constrain the gas flow. In cases where the required packed bed depth exceeds 25 feet, separately supported beds are installed with a collection-redistribution stage between them.
Three Things You Should Know About Air Strippers
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