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Biodegradation of MTBE by indigenous aquifer microorganisms under artificial oxic conditions

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Abstract

Oxygen in the form of a metal peroxide slurry (MgO2 and water) was added to an anoxic part of a gasoline-contaminated aquifer in South Carolina to test the hypothesis that artificial oxic conditions will lead to MTBE biodegradation by indigenous microorganisms in anoxic, gasoline-contaminated aquifers. The slurry slowly released dissolved oxygen upon hydrolysis with groundwater, and was a proprietary mixture consisting of ??? 25-35 wt % MgO2. Significant natural attenuation of MTBE could occur if the oxygen limitations naturally associated with gasoline releases could be removed, either under natural conditions where discharging anoxic groundwater comes into contact with oxygen, or artificial conditions where oxygen could be added to aquifers containing milligram per liter concentrations of MTBE. This final solution might be an effective strategy for intercepting characteristically long MTBE plumes, particularly at those sites not characterized by groundwater discharge to land surface.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Biodegradation of MTBE by indigenous aquifer microorganisms under artificial oxic conditions
Volume
41
Issue:
2
Year Published:
2001
Language:
English
Larger Work Title:
ACS National Meeting Book of Abstracts
First page:
443
Last page:
447
Number of Pages:
5
Conference Title:
222nd ACS National Meeting
Conference Location:
Chicago, IL
Conference Date:
26 August 2001 through 30 August 2001