Field experiments on in situ bioremediation: Moffett Federal Airfield and Edwards AFB
Journal Article
·
· Ground Water
OSTI ID:122424
- Stanford Univ., CA (United States)
A trichloroethylene (TCE) ground water plume at Edwards AFB in Southern California is being used to demonstrate in situ aerobic cometabolic bioremediation in the field. The bioremediation system that will be demonstrated at Edwards was developed over nine years of research and testing in the laboratory and at a pilot field site located at Moffett Federal Airfield in Mountain View, California. Studies conducted at the Moffett field site have demonstrated that TCE can be effectively biodegraded cometabolically through the introduction into the subsurface of a primary substrate and an oxygen source to support the growth and energy requirements of a native population of microorganisms. A system to demonstrate the feasibility of in situ aerobic cometabolic bioremediation is presently being constructed at Edwards, using an area of the plume having TCE concentrations ranging up to 1 mg/L. A major objective of the Edwards study will be to investigate how a primary substrate and an oxygen source can be efficiently mixed and transported to indigenous microorganisms, in order to promote cometabolic degradation of TCE. In this presentation, the earlier studies at Moffett, as well as the preliminary modeling work and site characterization which have been conducted in preparation for the Edwards demonstration, will be presented. In addition, problems encountered and lessons learned bringing an innovative technology from the laboratory to the field will be discussed.
- OSTI ID:
- 122424
- Report Number(s):
- CONF-9510211--
- Journal Information:
- Ground Water, Journal Name: Ground Water Journal Issue: 5 Vol. 33; ISSN GRWAAP; ISSN 0017-467X
- Country of Publication:
- United States
- Language:
- English
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