ArticleACS omega2026
Mesocosm Study of Chemical Treatments on Methane Emissions in Oil Sands Tailings Ponds - Part II: Illustrating the Relationship of Naphthenic Acids with Methanogenesis.
Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Naphthenic acid fraction compounds (NAFCs) are primary toxic components in oil sands process-affected water. Chemical treatments in tailings ponds can influence their concentration and composition, which may affect their toxicity. It is therefore crucial to measure the levels and distribution of NAFCs if there is any chemical treatment process being implemented in the tailings ponds. In the literature, some potential chemical treatment processes have shown promising results in terms of methane inhibition, thus reducing fugitive greenhouse gas (GHG) emissions from tailings ponds. However, little has been established to date on how the methanogenesis process along with chemicals used in the treatment affects the concentration and compositional characteristics of the NAFCs in the tailings ponds. In this study, laboratory scale bottle tests simulating oil sands tailings pond environments were used to investigate joint outcomes of chemical treatments on methanogenesis in relation to the concentrations and molecular level characteristics of NAFCs. Among the four chemicals (Na
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