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