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Title: Life cycle analysis of urban water cycle in two Spanish areas: Inland city and island area
Authors: Uche, J.
Martín Martínez, Alicia 
Medina Castellano, Carmen Delia 
Subiela, V.
UNESCO Clasification: 330810 Tecnología de aguas residuales
330806 Regeneración del agua
330811 Control de la contaminación del agua
Keywords: Waste-Water
Life Cycle Assessment
Urban Water Cycle, et al
Issue Date: 2013
Journal: Desalination and Water Treatment 
Conference: International Conference of the European-Desalination-Society (EDS) on Desalination for the Environment, Clean Water and Energy 
Abstract: In this paper, the results of the complete life-cycle assessment (LCA) analysis of the water cycle in two Spanish urban areas are presented. First case study was Zaragoza city (700,000 inhabitants), with enough surface water resources for drinking purpose. Second case was the Mancomunidad del Sureste, a highly populated and touristic area in a water-scarce island (Gran Canaria). Main objective of the paper was to show, from an environmental global perspective, which was the relative pollutant weights of the diverse water cycle stages in an urban area, in order to put the efforts in reducing the environmental penalties associated to the water cycle. Results showed that environmental load associated to energy consumed in dwelling uses (to produce hot sanitary water) exceeded by far the environmental impact provoked by water cycle infrastructures (water treatment plants, water supply and drainage networks, and wastewater treatment plants). Additionally, it is very important to remark that new water supply alternatives (seawater desalination plant as well as reclaimed wastewater) studied here were energy intensive solutions, and the environmental charge during its life cycle was also very significant.
ISSN: 1944-3994
DOI: 10.1080/19443994.2012.716634
Source: Desalination And Water Treatment[ISSN 1944-3994],v. 51 (1-3), p. 280-291, (Enero 2013)
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