Electron donor preference of a reductive dechlorinating consortium
By: M.M. Lorah, E. Majcher, E. Jones, G. Driedger, S. Dworatzek, and D. Graves
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Abstract
A wetland sediment-derived microbial consortium was developed by the USGS and propagated in vitro to large quantities by SiREM Laboratory for use in bioaugmentation applications. The consortium had the capacity to completely dechlorinate 1,1,2,2-tetrachloroethene, tetrachloroethylene, trichloroethylene, 1,1,2-trichloroethane, cis- and trans-1,2-dichoroethylene, 1.1-dichloroethylene, 1,2-dichloroethane, vinyl chloride, carbon tetrachloride and chloroform. A suite of electron donors with characteristics useful for bioaugmentation applications was tested. The electron donors included lactate (the donor used during WBC-2 development), ethanol, chitin (Chitorem???), hydrogen releasing compound (HRC???), emulsified vegetable oil (Newman Zone???), and hydrogen gas. Ethanol, lactate, and chitin were particularly effective with respect to stimulating, supporting, and sustaining reductive dechlorination of the broad suite of chemicals that WBC-2 biodegraded. Chitorem??? was the most effective "slow release" electron donor tested. This is an abstract of a paper presented at the Proceedings of the 8th International In Situ and On-Site Bioremediation Symposium (Baltimore, MD 6/6-9/2005).
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Electron donor preference of a reductive dechlorinating consortium |
| ISBN | 9781574771527 |
| Volume | 3 |
| Year Published | 2005 |
| Language | English |
| Larger Work Title | Proceedings of the 8th International In Situ and On-Site Bioremediation Symposium |
| First page | 1488 |
| Conference Title | 8th International In Situ and On-Site Bioremediation Symposium |
| Conference Location | Baltimore, MD |
| Conference Date | 6 June 2005 through 9 June 2005 |
| Google Analytic Metrics | Metrics page |