The world's largest landfill: a multidisciplinary investigation

Article Abstract:

A study of the Fresh Kills Landfill on Staten Island, NY, yielded interesting information on the use of landfills as a solid-waste disposal option. The New York landfill, which is the largest in the world, was systematically analyzed for chemicals, microbial enzymes and other factors, such as temperature and acidity, that contribute to biodegradation. Public health factors associated with the disposal of baby diapers and waste containing disease organisms were also studied. Decomposition in landfills seems to depend on moisture, and pathogenic microorganisms do not appear to survive for long.

Waste management, Sanitary landfills, Fills (Earthwork), Staten Island, New York, New York

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Environmental factors influencing methanogenesis from refuse in landfill samples

Article Abstract:

A number of factors, including pH levels, moisture and sulfate levels, affect landfill methanogenesis, and these trends were analysed in a recent study using samples from the Fresh Hills Landfill. The rate of methane production had clear links with moisture content, but was even more closely connected with other variables, and further research is required to assess the influence of factors such as the availability of alternate electron acceptors and of sulfate.

Industrial gases, Methane

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Anaerobic biodegradation of known and potential gasoline oxygenates in the terrestrial subsurface

Article Abstract:

The characteristics of known and potential gasoline oxygenates were investigated to determine if they were susceptible to anaerobic decay. In addition, their structural properties were studied to identify features which favored or inhibited anaerobic destruction. The results showed that alcohols degraded anaerobically, and methanol had the shortest acclimation time among them. However, the gasoline additive tertiarybutyl alcohol did not degrade anaerobically.

Biodegradation, Oxygenates, Oxygenates (Fuel additives)

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