Now showing documents 1-10 of 20
Methanotrophs and methanotrophic activity in engineered landfill biocovers
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 ...
Determination of the soil water characteristic curve of highly compressible materials: Case study of pulp and paper by-product
Abstract: A technique was developed for the determination of various points of the soil-water characteristic curve (SWCC)—including the air entry value (AEV)—of compressible materials from one single test. The testing ...
Modeling methane migration and oxidation in landfill cover materials with TOUGH2-LGM
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 ...
Measurement of gas diffusion through soils: Comparison of laboratory methods
Abstract: Gas movement through soils is important for ecosystems and engineering in many ways such as for microbial and plant respiration, passive methane oxidation in landfill covers and oxidation of mine residues. ...
Water retention curve and hydraulic conductivity function of highly compressible materials
Other titre : Courbe de rétention d’eau et fonction de conductivité hydraulique des matériaux hautement compressibles
Abstract: A model capable of describing the suction-induced consolidation curve (void ratio function) and water retention curve (WRC) of highly compressible materials (HCM) is developed, validated and finally applied to ...
Biotic methane oxidation within an instrumented experimental landfill cover
Other titre : Methane oxidation within an experimental landfill cover
Abstract: An experimental landfill cover composed of a mixture of sand and compost was installed at the St-Nicéphore landfill in Québec (Canada). The mixture was evaluated as a potential substrate to promote methane (CH4) ...
Determination of the diffusion coefficient of oxygen for a cover system including a pulp and paper by-product
ABSTRACT: Among the several solutions that have been proposed to curb the problem posed by the generation of acid rock drainage (ARD), the placement of covers with capillary barrier effect (CCBE) has received particular ...
Evolution of biodegradation of deinking by-products used as alternative cover material
Abstract: Deinking by-products (DBP) have been used as alternative material for the construction of cover systems for municipal waste disposal facilities and acid-producing mine residues. Considering the high organic ...
Design of inclined covers with capillary barrier effect
Abstract: A design procedure is proposed to minimize water infiltration into landfills in optimizing the water diversion length of inclined covers with capillary barrier effect (CCBE). This design procedure aims at ...
Environmental, geotechnical and hydraulic behaviour of a cellulose-rich by-product used as alternative cover material
Abstract: Deinking by-product (DBP), a cellulose-rich by-product produced in the early stages of the paper recycling process, has been used as alternative material for the construction of cover systems for municipal waste ...