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Communication Dans Un Congrès Année : 2014

Addressing the water-energy nexus in WWT assessment: a step forward using LCA

Résoudre l'interconnexion entre l'eau et l'énergie dans l'évaluation de systèmes de traitement de l'eau : une avancée méthodologique utilisant l'ACV

Résumé

Climate change together with population growth is already impacting the hydrological cycle. Related impacts have brought forward issues around the sustainability of the energy and water sectors, which are interdependent as they form the water-energy nexus (Stillwell et al., 2011). Energy production depends on water availability, and water production/treatment requires energy. This raises challenges for urban water planners to account for cross-sectoral impacts when performing an environmental sustainability assessment of water technologies. Multicriteria Life Cycle Assessment approaches (LCA) offer a framework in which volumes of water consumed (m3) can be quantitatively assessed on the same set of category indicators than the associated energy to water (MJ). In this regard, LCA could be a promising tool to better understand and manage the water-energy nexus where it is necessary to identify trade-offs across environmental impact categories. We propose in this paper to develop such an analysis for wastewater treatment technologies but it can be also extended to all water issues.
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Dates et versions

hal-02607545 , version 1 (16-05-2020)

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Eva Risch, Philippe Loubet, Melanie Nunez, P. Roux. Addressing the water-energy nexus in WWT assessment: a step forward using LCA. 4th IWA/WEF Wastewater Treatment Modelling Seminar 2014, Mar 2014, Spa, Belgium. pp.4. ⟨hal-02607545⟩
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