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Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses
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JoVE Journal Environment
Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses

DOI:
10.3791/53233-v

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11:19 min

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October 21, 2016

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, , ,
1Marine Biogeochemistry, Code 6114,US Naval Research Laboratory, 2Department of Biological and Ecological Engineering,Oregon State University

Chapters

  • 00:05Title
  • 00:55Preparation and Field Installation
  • 03:16Measure Dissolved Inorganic Carbon (DIC)
  • 04:03Measure CO2 Production Rate Occurring On-site
  • 05:24Model a Zone of Influence to Estimate the Soil Volume Sampled for CO2
  • 09:09Results: Detailed Emission Data from a Site of Known Contamination
  • 10:36Conclusion

Summary

Automatic Translation

Automatic Translation

A protocol is described wherein CO2 mineralized from organic contaminant (derived from petroleum feedstocks) biodegradation is trapped, quantified, and analyzed for 14C content. A model is developed to determine CO2 capture zone's spatial extent. Spatial and temporal measurements allow integrating contaminant mineralization rates for predicting remediation extent and time.

Tags

Keywords: Carbon Dioxide FluxRadiocarbon AnalysisPetroleum Contaminant DegradationBioremediationNatural AttenuationIn Situ Biodegradation RateAir PumpsCarbon Dioxide TrapSodium HydroxideGas-tight SealWell VolumeCarbon Dioxide Collection

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