Air Curtain: A method of containing oil spills. Air bubbling through a perforated pipe causes an upward water flow that slows the spread of oil. It can also be used to stop fish from entering polluted water.
air curtain Compressed air forced through a perorated pipe or diffuser arm, placed on a chamber or basin floor, that causes an upward water flow followed by a ??? flow.
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air curtain
Hurricane Katrina
References
"The World Almanac and Book of Facts, 2004"
"Oil Spill Case Histories 1967-1991" NOAA/Hazardous Materials and Response Division, Seattle WA, 1992 ...
 See also: Bacteria, Oil spill, Degradation, Water, Toxic
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