Quantifying capital goods for waste landfilling

Line Kai-Sørensen Brogaard, Steen Stentsøe, Hans Christian Willumsen, Thomas Højlund Christensen

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Abstract

Materials and energy used for construction of a hill-type landfill of 4 million m3 were quantified in detail. The landfill is engineered with a liner and leachate collections system, as well as a gas collection and control system. Gravel and clay were the most common materials used, amounting to approximately 260 kg per tonne of waste landfilled. The environmental burdens from the extraction and manufacturing of the materials used in the landfill, as well as from the construction of the landfill, were modelled as potential environmental impacts. For example, the potential impact on global warming was 2.5 kg carbon dioxide (CO2) equivalents or 0.32 milli person equivalents per tonne of waste. The potential impacts from the use of materials and construction of the landfill are low-to-insignificant compared with data reported in the literature on impact potentials of landfills in operation. The construction of the landfill is only a significant contributor to the impact of resource depletion owing to the high use of gravel and steel.
Original languageEnglish
JournalWaste Management and Research
Volume31
Issue number6
Pages (from-to)585-598
ISSN0734-242X
DOIs
Publication statusPublished - 2013

Keywords

  • Landfilling
  • Capital goods
  • Waste
  • Environmental impact assessment (EIA)

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