Laboratory Services and Anaerobic Biotechnology
Americhem Facility Source Area
•Microcosm study of Dehalococcoides VOC degradation
TCE Biodegradation in Source Area Microcosms
• Repeated low nutrient, high TCE
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• Site H20 with electron donor,
micronutreints over 6 dose events
TCE Biodegradation in Source Area Microcosms
•Manufacturing facility dating back decades
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•TCE degreasing operations
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•DNAPL source and dissolved plume
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•Permeable reactive barrier –reductive dechlorination
combined with source area treatment by ISCO
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•Pilot and full scale treatment successful
In situ Chemical oxidation to remove TCE DNAPL
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Gas Chromatograph
(GC-FID) used to screen sediment and determine oxidant load
Laboratory Studies - Biostimulation
CONDITIONS
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•Electron donors
Ethanol, Lactate, Palmitate Propionate, and CMB
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•Electron acceptors
Chlorinated ethenes, Sulfate, and Nitrate
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•Groundwater/sediment slurry from contaminated site
