Method for forming an in situ groundwater filter

Details Method for forming an in situ groundwater filter Method for forming an in situ groundwater filter

2008-03-11

2008-03-11

Barry, Chester T. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S611000

Reexamination Certificate

active

10865572

ABSTRACT:
A method and system for forming an in situ subsurface filter in a contaminated aquifer and for removing contaminants from groundwater drawn from a contaminated aquifer. The filter is produced in situ by injecting an aqueous solution comprising bacteria-stimulating chemical components through a well to bioactively generate a subsurface mineral filtering zone surrounding the well. As water is subsequently drawn through the well, contaminants are removed from the water as it passes through the filtering zone.

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“Microbes to Minerals,” http://www.science.uwaterloo.ca/earth/waton/microbes.html, date unknown, pp. 1-3.
U.S. Environmental Protection Agency, “Exposure Assessment Models,” http://epa.gov/ceampubl/mmedia/minteq/, date unknown, pp. 1-2.
Environmental Research Software, “How can Chemical Equilibrium Help You?,” http://www.mineql.com/homepage.html, date unknown, pp. 1-7.

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