Alternatives For In Situ Bioremediation Of Perchlorate

  • Hans F. Stroo
  • Robert D. Norris
Part of the SERDP/ESTCP Environmental Remediation Technology book series (SERDP/ESTCP)

5.1 Introduction

Perchlorate can be reduced to the innocuous anion chloride under slightly reducing conditions by several microorganisms that are apparently ubiquitous in soils and groundwaters (Coates et al., 1999; Logan, 2001). This reduction can happen naturally, but stimulation of the activity of indigenous perchlorate reducers by addition of an electron donor to the subsurface environment is often needed because natural attenuation alone may not be sufficient to ensure environmental protection. The deliberate enhancement of natural biodegradation (bioremediation) has proven to be a successful technology for treating perchlorate contaminated soils and groundwaters (Xu et al., 2003). Currently there are few other mechanisms available for cost-effectively treating perchlorate in situ.

The overall reaction stoichiometry, with acetate as the electron donor, is:
$$\rm CH_3 COO^- + ClO_4^- \to 2HCO_3^ - + H^+ + Cl^- \, ,$$


Electron Donor Injection Well Injection Point Life Cycle Cost Horizontal Well 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Hans F. Stroo
    • 1
  • Robert D. Norris
    • 2
  1. 1.HydroGeoLogic, Inc.Ashland
  2. 2.Brown and CaldwellGolden

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