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Engineered in situ anaerobic reactive zones

  • US 6,322,700 B1
  • Filed: 08/02/2000
  • Issued: 11/27/2001
  • Est. Priority Date: 04/11/1995
  • Status: Expired due to Term
First Claim
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1. A method for removing contaminants dissolved in groundwater, said method comprising the steps of:

  • supplying carbohydrates and sulfates to contaminated groundwater;

    wherein microorganisms in the contaminated groundwater metabolize said carbohydrates creating an anaerobic condition which leads to the precipitation of trivalent chromium as chromic hydroxide.

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