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Génie – Mémoires [1776]
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Génie – Thèses [761]
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Causal model to describe the spatial and temporal variation of faecal coliform concentrations in a pilot-scale test consisting of ponds aligned in series
Other titre : Causal model to describe the variation of faecal coliform concentrations in a pilot-scale test consisting of ponds aligned in series(2009)Abstract: In this study, the application of path analysis was tested to validate a causal model developed to verify the influence on several factors of the variation of faecal coliform concentration in pilot-scale ponds ... -
Methanotrophs and methanotrophic activity in engineered landfill biocovers
(2009)Abstract: The dynamics and changes in the potential activity and community structure of methanotrophs in landfill covers, as a function of time and depth were investigated. A passive methane oxidation biocover (PMOB-1) was ... -
Biocover performance of landfill methane oxidation: Experimental results
(2010)Abstract: An experimental passive methane oxidation biocover (PMOB) was constructed within the existing final cover of the St-Nicéphore landfill. Its substrate consisted of a 0.80-m-thick mixture of sand and compost. The ... -
Quantifying microbial methane oxidation efficiencies in two experimental landfill biocovers using stable isotopes
(2010)Abstract: Stable isotope analyses were performed on gas samples collected within two instrumented biocovers, with the goal of evaluating CH4 oxidation efficiencies (f0). In each of the biocovers, gas probes were installed ... -
Can soil gas profiles be used to assess microbial CH4 oxidation in landfill covers?
(2011)Abstract: A method is proposed to estimate CH(4) oxidation efficiency in landfill covers, biowindows or biofilters from soil gas profile data. The approach assumes that the shift in the ratio of CO(2) to CH(4) in the gas ... -
Modeling methane migration and oxidation in landfill cover materials with TOUGH2-LGM
(2009)Abstract: Methane oxidation within a Passive Methane Oxidation Barrier (PMOB) and the downward migration of molecular O2, whose presence is necessary for the oxidation reaction to occur, were simulated using the finite ... -
Dynamics and diversity of methanotrophs within an experimental landfill cover
Other titre : Diversity and dynamics of methanotrophs within an experimental landfill cover soil(2009)Abstract: Three experimental biocovers were installed during the summer of 2006 at the St‐Nicéphore landfill in Québec (Canada). The main objectives of the experimental program were to assess the efficiency of these biocovers ... -
Evaluation of methane oxidation in a landfill cover material using a simple indicator approach
(2011)Abstract: Estimates of methane (CH4) oxidation rates (Rg) in biocovers are crucial for development of abatement strategies. Rg values were estimated in a landfill biocover with a simple approach based on gas diffusion ... -
Evaluation of the effectiveness of a cover with capillary barrier effect to control percolation into a waste disposal facility
(2011)Abstract: The goal of an instrumented experimental plot constructed on the Saint-Tite-des-Caps landfill site was to evaluate the field behaviour and the performance of a cover with capillary barrier effect (CCBE) to ... -
Assessment of the design of an experimental cover with capillary barrier effect using 4 years of field data
(2011)Abstract: One important step in the design of inclined covers with capillary barrier effect (CCBE) is the determination of the water diversion length (DL). Numerical simulations can predict the DL more precisely than ... -
Evaluation of methane oxidation efficiency of two biocovers: Field and laboratory results
(2012)Abstract: Biocovers constitute a promising technology to reduce fugitive and residual emissions from landfills throughout their operational life and after gas collection systems are turned off. The aim of this study was ... -
Effect of composts, nitrogen salts and NPK fertilizers on methane oxidation potential at different temperatures
Other titre : Effects of compost, nitrogen salts and fertilizers on methanotrophic activity(2012)Abstract: The effects of compost, nitrogen salts, and nitrogen-phosphorous-potassium (NPK) fertilizers on the methane oxidation potential (MOP) of landfill cover soil at various temperatures were assessed. For this, we ... -
Evaluating methane oxidation efficiencies in experimental landfill biocovers by mass balance and carbon stable isotopes
(2012)Abstract: Biocovers are an alternative for mitigating fugitive and residual emissions of methane from landfills. In this study, we evaluated the performance of two experimental passive methane oxidation biocovers (PMOBs) ... -
Does vegetation affect the methane oxidation efficiency of passive biosystems?
(2015)Abstract: It is often reported in the technical literature that the presence of vegetation improves the methane oxidation efficiency of biosystems; however, the phenomena involved and biosystem performance results are still ... -
Evaluation of the efficiency of an experimental biocover to reduce BTEX emissions from landfill biogas
(2014)Abstract: Landfill emissions include volatile organic compounds (VOCs) and, particularly, benzene, toluene, ethyl-benzene and xylene isomers (collectively called BTEX). The latter are the most common VOCs found in landfill ... -
Reduction of odours in pilot-scale landfill biocovers
(2014)Abstract: Unpleasant odours generated from waste management facilities represent an environmental and societal concern. This multi-year study documented odour and total reduced sulfur (TRS) abatement in four experimental ... -
Microbial methane oxidation at the Fíflholt landfill in Iceland
(2014)Abstract: Methane oxidizing biosystems have received wide recognition in recent years as a cost effective and important means to reduce emissions from landfills. However, there is no documentation of the oxidation ... -
Experimental study and numerical reproduction of self-weight consolidation behavior of thickened tailings
(2014)Abstract: Thickened tailings, defined as mineral wastes that behave as a non-Newtonian fluid, show a small yield stress and release a small amount of water following deposition. Thickening has become an increasingly used ... -
Predicting the diversion length of capillary barriers using steady state and transient state numerical modeling: Case study of the Saint-Tite-des-Caps landfill final cover
(2015)Abstract: Covers with capillary barrier effect (CCBE) have already been proposed to meet regulatory requirements for landfill final covers. Modeling of CCBE may be a relatively complex and time consuming task. Simpler, ... -
Power generation and gaseous emissions performance of an internal combustion engine fed with blends of soybean and beef tallow biodiesel
(2016)Abstract: This study aimed to compare the performance of an internal combustion engine fed with blends of biodiesel produced from soybean and diesel, and blends of biodiesel produced from beef tallow and diesel. Performance ...
