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Al T Mikell

D Roy Cullimore

George W Alford

The environment in a porous area, such as in an aquifer in controlled to promote the growth of indigenous microorganisms as well as introduced microorganisms. Nutrients and other growth-promoting chemicals are added to cause the organisms to grow and produce a biofilm that retards fluid movement. Tubes are inserted into the target area, and fluids containing nutrients and other chemical are circulated through the porous area, the paths of circulation defining the areas of growth of microorganisms to produce a barrier, referred to as a biowall. After the biowall has served its purpose, it can be dispersed by injecting chemicals to stop growth and/or to kill the microorganisms.

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Oxford, MS, United States of America

Al T Mikell