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claudia-bouman
Team TFS
Team TFS
1) Department of Renewable Resources, University of Alberta, Edmonton, AB T6G 2G7, Canada, 2) Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9, Canada, 3) Department of Renewable Resources, University of Alberta, Edmonton, AB T6G 2G7, Canada
Science of The Total Environment (2016), V565, pp306-312, doi: 10.1016/j.scitotenv.2016.04.154
Co-occurrence of methanogenesis and N2 fixation in oil sands tailings
C.E. Collins (1), J.M. Foght (2) and T. Siddique (3)
Oil sands tailings ponds in northern Alberta, Canada have been producing biogenic gases via microbial metabolism of hydrocarbons for decades. Persistent methanogenic activity in tailings ponds without any known replenishment of nutrients such as fixed nitrogen (N) persuaded us to investigate whether N2 fixation or polyacrylamide (PAM; used as a tailings flocculant) could serve as N sources. Cultures comprising mature fine tailings (MFT) plus methanogenic medium supplemented with or deficient in fixed N were incubated under an N2 headspace.
  • IRMS
  • Gas Bench
  • Nitrogen
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