Biofiltration of methane and trace gases from landfills: A review

Ménard, Camille; Ramírez, Antonio Avalos; Nikiema, Josiane; Heitz, Michèle

doi:10.1139/a11-022

Cited by 47 publications

(23 citation statements)

References 115 publications

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“…The average methane RE and EC in the biofilter over the measurement period were 17.52% 67.3 g m À3 d À1 , respectively. The low average methane RE in the biofilter compared to other studies (RE > 30%) [21][22][23] could be due to several factors. Firstly, methane at lower concentration (other studies were between 0.08% (v/v) to 10% (v/v) [10,24,25]) was fed into the filter.…”

Section: Biofilter Performancecontrasting

confidence: 52%

Biofiltration of methane from ruminants gas effluent using Autoclaved Aerated Concrete as the carrier material

Ganendra

Mercado‐Garcia

Hernandez-Sanabria

et al. 2015

Chemical Engineering Journal

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Section: Biofilter Performancecontrasting

confidence: 52%

Biofiltration of methane from ruminants gas effluent using Autoclaved Aerated Concrete as the carrier material

Ganendra

Mercado‐Garcia

Hernandez-Sanabria

et al. 2015

Chemical Engineering Journal

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“…Landfill gas (LFG) is generated through decomposition of biodegradable landfilled material under anaerobic conditions and consists mainly of methane and carbon dioxide, with smaller (<0.5%) amounts of non-methane organic compounds (Scheutz et al, 2009;Menard et al, 2012;Amini et al, 2013;Li et al, 2013). Landfill cover systems are constructed to prevent water infiltration and reduce the amount of leachate (Kwon and Cho, 2011;Feng et al, 2013), and they play an important role in controlling LFG migration from the waste body.…”

Section: Introductionmentioning

confidence: 99%

One-dimensional coupled model for landfill gas and water transport in layered unsaturated soil cover systems

Guan

Xie

Qiu

et al. 2016

J. Zhejiang Univ. Sci. A

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Cover systems are used to prevent water infiltration into a waste body. They also play an important role in controlling landfill gas transport from the waste body to the atmosphere. It is important to assess the flux of landfill gas at the surface of a cover system by considering the coupled effects of rainwater infiltration and gas transport in the cover soils. We have developed a 1D mathematical model for coupled transient gas and water transport in unsaturated cover soils. The coupled model was solved by the finite element method. Results obtained by the proposed model agreed well with experimental data. Based on the proposed solution, the influences of gas pressure, gas permeability, and the thickness of the cover soils on soil gas concentration profiles were investigated. The difference in soil gas concentration reached up to 31% as the thickness of cover increased from 1 to 2 m. Gas concentration at a depth of 0.2 m decreased by 6% as the amplitude of atmospheric gas pressure fluctuation increased from 20 to 100 Pa. The gas concentration increased by only 3% when gas permeability increased by a factor of 2 for a relatively long period of gas migration (e.g., 60 h) under the given conditions. Results suggest that both diffusion and advection should be considered when estimating gas transport in unsaturated cover soils. The numerical model can be used in the design of cover systems in relation to gas breakthrough time, breakthrough concentration, and flux.

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“…Flaring has to be carried out at 1200°C or higher. Lower temperatures risk the formation of toxic compounds like dioxins [133]. Flaring is very common in landfills that do not capture the LFG for use.…”

Section: Flaringmentioning

confidence: 99%

Treatment of landfill waste, leachate and landfill gas: A review

Omar

Rohani

2015

Front. Chem. Sci. Eng.

113

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This review aims at the treatment of the entire landfill, including the waste mass and the harmful emissions: leachate and landfill gas. Different landfill treatments (aerobic, anaerobic and semi-aerobic bioreactor landfills, dry-tomb landfills), leachate treatments (anaerobic and aerobic treatments, anammox, adsorption, chemical oxidation, coagulation/flocculation and membrane processes) and landfill gas treatments (flaring, adsorption, absorption, permeation and cryogenic treatments) are reviewed. Available information and the gaps present in current knowledge is summarized. The most significant areas to expand are landfill waste treatments, which in recent years has begun to grow but there is an opportunity for much more. Another area to explore is the treatment of landfill gas, a very large field to which not much effort has been put forth. This review is to compare different treatment methods and give direction to future research.

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Biofiltration of methane and trace gases from landfills: A review

Cited by 47 publications

References 115 publications

Biofiltration of methane from ruminants gas effluent using Autoclaved Aerated Concrete as the carrier material

Biofiltration of methane from ruminants gas effluent using Autoclaved Aerated Concrete as the carrier material

One-dimensional coupled model for landfill gas and water transport in layered unsaturated soil cover systems

Treatment of landfill waste, leachate and landfill gas: A review

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