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HERO ID
8753452
Reference Type
Meetings & Symposia
Title
Cold-climate, in situ biodegradation of petroleum fuel in ground water, Moose Factory, Ontario, Canada
Author(s)
Van Stempvoort, DR; Bickerton, G; Lesage, S; Millar, K
Year
2004
Page Numbers
131-138
Language
English
Abstract
Fuel spillage from a tank farm at a Health Canada site in Moose Factory, Ontario, has resulted in a smear zone of residual LNAPL petroleum in the underlying sand unit, adjacent to the fluctuating water table. Laboratory biodegradation experiments with MF sand were designed to simulate in situ bioremediation technologies under both oxygen depleted and air injection conditions. In situ bioremediation techniques might achieve relatively rapid rates of hydrocarbon degradation. The greatest enhancements of hydrocarbon losses in the oxygen-depleted tests were in the batches amended with FeOOH (Fe3+OOH), suggesting that the dominant hydrocarbon degrading microorganisms present in the MF sand include iron-reducing bacteria. Bacterial sulfate reduction occurred in the plume, linked to biodegradation of the hydrocarbons. Bioventing and/or biosparging could also be used effectively at the site to reduce the petroleum hydrocarbons in the MF sand to acceptable levels. This is an abstract of a paper presented at the 2004 Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Assessment, and Remediation Conference (Baltimore, MD 8/16-18/2004).
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