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Skip to Search Results- 1Collins, Catherine
- 1Collins, Catherine Elizabeth Victoria
- 1Cordingley, Dean M.
- 1Feland, Brett C.
- 1Li, Carmen
- 1Murata, Alison P
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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...
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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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Methane Production and Emission Mitigation in Oil Sands Tailings Concurrent with Hydrocarbon Degradation under Nitrogen Limited Conditions
DownloadFall 2020
Alberta’s oil sands generate large volumes of tailings from bitumen ore processing. These tailings ponds produce biogenic methane, which can be measured across 60-80% of the tailings surface. Based on current surface area data and emissions studies, tailings ponds could account for 8% of Canada’s...
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Long Term Dynamics And Potential Remediation Of Fine Textured Soils And Ground Water Contaminated With Chlorinated Organic Compounds And Salts
DownloadFall 2019
Contamination of land, water, and air is a widespread concern often associated with anthropogenic activities. Remediation of contaminated sites is necessary to minimize negative impacts on human health and the environment and allow for safe, productive use of land. Although contaminated sites...
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Coupled effects on the transport and deposition of biocolloidal particles in saturated porous media
DownloadSpring 2016
The transport and deposition of biocolloidal particles in porous media is a crucial phenomenon in understanding environmental challenges from pathogen contamination to bioremediation of soil and water. The fate and transport of biocolloidal particles in porous media is influenced by many factors...
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Can caffeine alter blood potassium concentration or the perception of pain and fatigue after a 1 km cycling sprint?
DownloadSpring 2013
Caffeine is used by some athletes to improve endurance performance, however, the mechanism(s) by which caffeine elicits performance improvements have been unclear. The purpose of this study was to investigate the effects of caffeine on pain perception, fatigue perception, plasma catecholamine...
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Spring 2013
Presented herein is a solid-state 71Ga and 69Ga NMR study of several six-coordinate gallium-oxygen compounds: Ga(acac)3, Ga(thd)3, Ga(trop)3, and (NH4)3[Ga(cit)2]·4H2O. Spectra of stationary and magic angle spinning (MAS) samples are reported, and their electric field gradient (EFG) and chemical...