Landfill: Difference between revisions
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===Landfill Gas=== | ===Landfill Gas=== | ||
Another product of waste decomposition is landfill gas. This is a mixture of various components, principally methane and is a [[Biogas]] not dissimilar to that generated in an [[Anaerobic Digestion]] facility. | Another product of waste decomposition is landfill gas. This is a mixture of various components, principally methane and is a [[Biogas]] not dissimilar to that generated in an [[Anaerobic Digestion]] facility. WMP27B<ref name="refB" /> also contains a useful review of the generation and evolution of landfill gas. | ||
Landfill gas needs to be managed to prevent build-up such that it migrates off site through the surrounding soils and rock (where it can accumulate and create explosive conditions) or is released into the atmosphere (as it is a significant potential contribution to greenhouse gases). | Landfill gas needs to be managed to prevent build-up such that it migrates off site through the surrounding soils and rock (where it can accumulate and create explosive conditions) or is released into the atmosphere (as it is a significant potential contribution to greenhouse gases). | ||