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Skip to Search Results- 12Methanogenesis
- 4Oil sands tailings
- 2Anaerobic digestion
- 2Citrate
- 2Consolidation
- 2Microbial community
- 3Siddique, Tariq (Renewable Resources)
- 2Ulrich, Ania (Civil and Environmental Engineering)
- 1Dhar, Bipro (Department of Civil and Environmental Engineering)
- 1Dhar, Bipro Ranjan (Civil and Environmental Engineering)
- 1Foght, Julia (Biolgoical Sciences)
- 1Liu, Yang (Civil & Environmental Engineering)
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Anaerobic biodegradation of hydrocarbons in different oil sands tailings ponds: key microbial players and main activation pathway of hydrocarbon biodegradation
DownloadFall 2016
Anaerobic biodegradation of hydrocarbons is an important process in oil sands tailings ponds, which directly affects consolidation of tailings and extent of greenhouse gas emissions from tailings ponds. Since tailings ponds from different operators differ due to extraction process, age of...
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Applications of Lime and Enzymes for Oil Sands Tailings Management: Dewatering and Mitigation of Methane Emissions
DownloadSpring 2023
The remediation of oil sands tailings is a crucial environmental aspect of the Canadian oil sands industry. Oil sands tailings management involves the endless storage of massive volumes of fluid fine tailings (FFT). The slow gravity settling of tailings, the release of toxic compounds, and the...
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Spring 2024
Hydrolyzed polyacrylamide (HPAM) is a common flocculant used in oil sands tailings dewatering technologies. Although HPAM is regularly used in tailings treatment and will eventually be incorporated into the reclaimed landscape of the oil sands, there are knowledge gaps surrounding the environment...
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Spring 2019
Direct interspecies electron transfer (DIET) is the recently discovered microbial syntropy between bacteria and methanogens in anaerobic digestion process that can accelerate the syntrophic conversion of various reduced organic compounds into methane through cell-to-cell electron transfer coupled...
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Enhancing Anaerobic Digestion Efficiency of High Strength Wastes with Different Solid Contents
DownloadSpring 2023
Anaerobic digestion has been considered as a sustainable technology to treat a wide range of organic wastes and to recovery value-added products such as methane and fatty acids. However, several factors such as low temperature and high solids content of substrates would lead to the imbalance of...
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EVALUATION OF MEDIUM-CHAIN FATTY ACID SUPPLEMENTATION EFFECTS ON DAIRY COW PERFORMANCE AND RUMEN FERMENTATION
DownloadSpring 2022
Medium-chain fatty acids (MCFA) are fatty acids with chain lengths between 6-12 carbons and are primarily metabolized by the liver, however they may be absorbed and metabolized by intestinal mucosa. Medium-chain fatty acids provide the animal with available energy quicker as compared to other...
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Fall 2013
Collins, Catherine Elizabeth Victoria
Surface mining for bitumen extraction results in production of tailings that are deposited into large ponds. Tailings in the ponds support diverse microbial communities capable of metabolizing organic compounds and producing biogenic gases (methane, CH4 and carbon dioxide, CO2). Because of low...
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Methanogenesis in oil sands tailings: an analysis of the microbial community involved and its effects on tailings densification
DownloadSpring 2010
Densification of tailings slurries to mature fine tailings (MFT) is important in the oil sands industry for tailings inventory reduction, pore water recovery and tailings reclamation. The cause of methane release from the tailings pond of Shell Albian Sands (Albian) and the effects this process...