[CPEO-MEF] Perchlorate biotreatment

[Lenny Siegel <lsiegel@cpeo.org>]

[This important article on perchlorate treatment will probably only be 
available on line for a very short time. - LS]

Perchlorate Biodegradation for Water Treatment

Biological reactors currently treat nearly 30 million liters of 
perchlorate-contaminated groundwater per day, and in situ treatment 
techniques are now showing success at the field scale.

Paul B. Hatzinger, Shaw Environmental, Inc.
Environmental Science & Technology
June 1, 2005

Biological approaches for treating per-chlo-rate are proving to be 
highly effective and economically attractive. During the past several 
years, numerous laboratory and field pilot studies have evaluated 
different bioreactor designs and in situ techniques for cleaning 
perchlorate-contaminated groundwater and wastewater. On the basis of 
these evaluations, several full-scale biological treatment systems now 
operate in the United States. These systems remove perchlorate from 
waters with concentrations ranging from ~2 to >4000 mg/L to effluent 
levels <4 µg/L. This article summarizes the recent progress in 
perchlorate bioremediation.

For the entire article, go to
http://pubs.acs.org/subscribe/journals/esthag-a/39/i11/html/060105feature_hatzinger.html

--
Lenny Siegel
Director, Center for Public Environmental Oversight
c/o PSC, 278-A Hope St., Mountain View, CA 94041
Voice: 650/961-8918 or 650/969-1545
Fax: 650/961-8918
http://www.cpeo.org

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