Life cycle assessment of three water systems in Copenhagen-a management tool of the future.

Berit Godskesen, K C Zambrano, A. Trautner, N-B. Johansen, L. Thiesson, L. Andersen, J. Clauson-Kaas, T. L. Neidel, Martin Rygaard, N. H. Kløverpris, Hans-Jørgen Albrechtsen

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Abstract

Environmental life-cycle assessment (LCA) was applied to evaluate three different water systems of the water sector in Copenhagen, Denmark, including technologies within water supply, facilities recycling water and treatment of sewer overflow. In these three water systems LCA was used to evaluate the environmental impacts of each of the processes involved. The overall conclusion was that LCA is suitable as a decision support tool in the water sector as it provides a holistic evaluation platform of the considered alternatives categorised in environmental impact categories. The use of LCA in the water sector of this region has limitations since it does not yet consider impact categories assessing freshwater scarcity and ecological sustainability.
Original languageEnglish
JournalWater Science and Technology
Volume63
Issue number3
Pages (from-to)565-572
ISSN0273-1223
DOIs
Publication statusPublished - 2011

Keywords

  • Sewer overflow
  • Decision support
  • Water reuse
  • Technology comparison
  • Water supply
  • Life-cycle assessment

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