Perpetual landfilling through aeration of the waste mass: lessons from test cells in Georgia (USA)

Read, Adam D., Hudgins, Mark and Phillips, Paul (2001) Perpetual landfilling through aeration of the waste mass: lessons from test cells in Georgia (USA). Waste Management, 21(7), pp. 617-629. ISSN (print) 0956-053X

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Municipal solid waste (MSW) landfills worldwide are experiencing the consequences of conventional landfilling techniques, whereby anaerobic conditions are created within the landfilled waste. Under anaerobic conditions within a landfill site slow stabilization of the waste mass occurs, producing methane, (an explosive 'green house' gas) and leachate (which can pollute groundwater) over long periods of time. As a potential solution, it was demonstrated that the aerobic degradation of MSW within a landfill can significantly increase the rate of waste decomposition and settlement, decrease the methane production and leachate leaving the system, and potentially increase the operational life of the site. Readily integrated into the existing landfill infrastructure, this approach can safely and cost-effectively convert a MSW landfill from anaerobic to aerobic degradation processes, thereby effectively composting much of the organic portions (one of the potentially polluting elements in a conventional landfill site) of the waste. This paper summarizes the successful results of two separate aerobic landfill projects located in Georgia (USA) and discusses the potential economic and environmental impacts to worldwide solid waste management practices.

Item Type: Article
Uncontrolled Keywords: landfill, aerobic processing, in-situ composting, sustainable or perpetual sites, environmental performance and monitoring, municipal
Research Area: Earth systems and environmental sciences
Faculty, School or Research Centre: Faculty of Science (until 2011)
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Depositing User: Automatic Import Agent
Date Deposited: 11 Mar 2010 13:29
Last Modified: 08 Feb 2012 16:22

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