Study on the Correlation between Dissolved Organic Carbon, Specific Oxygen Uptake Rate, and Exchangeable Nitrogen and the Performance of Granular Materials as Support Media for Methanotrophic Biofiltration
Publication: Journal of Hazardous, Toxic, and Radioactive Waste
Volume 18, Issue 1
Abstract
Anaerobic decomposition of organic materials in landfills is a key source of anthropogenic methane () emissions into the atmosphere. The use of methane biofilter (MB) technology for biological oxidation of into carbon dioxide () and water is an emerging area of interest for researchers and practicing engineers. Studies were undertaken to assess the influence of dissolved organic carbon (DOC), specific oxygen uptake rate (SOUR), and exchangeable nitrogen () on different materials used as filter media in MBs. The obtained results showed that these parameters are strongly correlated with the oxidation potential observed for different porous materials. Low DOC, SOUR, and values [318 parts per million (ppm), 168 ppm, and 228 mg volatile , respectively] were associated with the highest methanotrophic activity rate observed in this study (3.6596 μmol ).
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Acknowledgments
The authors wish to acknowledge NSERC (Canada) and CONACYT (Mexico, as a doctoral scholarship for the primary author) for financial support. The support from the Edmonton Waste Management Centre for providing compost samples is also acknowledged.
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Published In
Journal of Hazardous, Toxic, and Radioactive Waste
Volume 18 • Issue 1 • January 2014
Pages: 11 - 15
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Apr 17, 2012
Accepted: Nov 29, 2012
Published online: Dec 1, 2012
Discussion open until: May 1, 2013
Published in print: Jan 1, 2014
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