A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Geothermal Modeling of Elevated Temperature Landfills
While most municipal solid waste (MSW) landfills maintain temperatures below 55°C (131°F), relatively few MSW landfills have temperatures exceeding 93°C (200°F). In order to understand the key mechanisms that allow heat accumulation and temperature rise, commercial geothermal model TETRAD was used to simulate the heat transfer in an MSW landfill located in the northeastern United States. Field temperatures of the landfill have been monitored using fiber optics sensors. Waste heat generation and vertical leachate flow were the key variables evaluated in the modeling. The model results indicated that the average initial waste heat generation rates for this landfill ranged from 0.7 to 0.8 W/m3 reflective of relatively young waste and they were about 0.2 W/m3 for maintaining steady-state temperature conditions in the landfill. The rate of heat generation reduced as the waste aged and the vertically downward flow of leachate removed heat and reduced the peak temperature.
Geothermal Modeling of Elevated Temperature Landfills
While most municipal solid waste (MSW) landfills maintain temperatures below 55°C (131°F), relatively few MSW landfills have temperatures exceeding 93°C (200°F). In order to understand the key mechanisms that allow heat accumulation and temperature rise, commercial geothermal model TETRAD was used to simulate the heat transfer in an MSW landfill located in the northeastern United States. Field temperatures of the landfill have been monitored using fiber optics sensors. Waste heat generation and vertical leachate flow were the key variables evaluated in the modeling. The model results indicated that the average initial waste heat generation rates for this landfill ranged from 0.7 to 0.8 W/m3 reflective of relatively young waste and they were about 0.2 W/m3 for maintaining steady-state temperature conditions in the landfill. The rate of heat generation reduced as the waste aged and the vertically downward flow of leachate removed heat and reduced the peak temperature.
Geothermal Modeling of Elevated Temperature Landfills
Khire, Milind V. (author) / Johnson, Terry (author) / Holt, Richard (author)
Geo-Congress 2020 ; 2020 ; Minneapolis, Minnesota
Geo-Congress 2020 ; 417-424
2020-02-21
Conference paper
Electronic Resource
English
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