Anaerobic Degradation of Chlorinated Ethenes in a Low-pH, High ...

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Passive Buffer Testing 12
Additional Geochemical/Dissolved Gas Data • ORP – – 200 to – 300 mV • TOC – 20 mg/L (near injection) gradient down to 5 mg/L (near extraction) • Alkalinity – 350 mg/L (site average) • Acidity – 120 mg/L (site average) • Dissolved iron (total) – 30 mg/L (site average) • Ferrous/ferric iron speciation variable spatially • Dissolved Gases • Methane – 530 mg/L (site average) • Ethane – Generally ND • Ethene – Low/negligible detections • Carbon Dioxide – Initially 3 mg/L; now 234 mg/L (average) 13
Page 1 and 2: F-102, in: T.C. Fox and H.V. Rectan
Page 3 and 4: Anaerobic Degradation of Chlorinate
Page 5 and 6: Site Location FDSA 3
Page 7 and 8: Pilot Study Objectives •Prevent d
Page 9 and 10: Pilot Study Equipment •Use System
Page 11 and 12: Pilot Study Data - Chloride 18 Chlo
Page 13: Pilot Study Data - pH pH - Shallow
Page 17 and 18: Biological Activity • Complex mec
Page 19 and 20: MW25S MOLAR CONCENTRATIONS 20 Conce
Page 21: Acknowledgements •NASA, Kennedy S

Anaerobic Degradation of Chlorinated Ethenes in a Low-pH, High ...

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