Cost-effectiveness analysis for sustainable wastewater engineering and water resources management: a case study at Minho-Lima river basins (Portugal)

S. Costa IBB - Institute for Biotechnology and Bioengineering, Centre for Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal Phone: +351 253604410 Fax: +351 253604410

L. Coutinho IBB - Institute for Biotechnology and Bioengineering, Centre for Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal Phone: +351 253604410 Fax: +351 253604410

A.G. Brito IBB - Institute for Biotechnology and Bioengineering, Centre for Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal Phone: +351 253604410 Fax: +351 253604410

R. Nogueira IBB - Institute for Biotechnology and Bioengineering, Centre for Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal Phone: +351 253604410 Fax: +351 253604410

A.P. Machado IBB - Institute for Biotechnology and Bioengineering, Centre for Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal Phone: +351 253604410 Fax: +351 253604410

J.J. Salas Centre for New Water Technologies (CENTA), Av Américo Vespucio 5-1, Pl. 2a Mód. 10, 41092, Seville, Spain

C. Póvoa AdP - Águas de Portugal, Av. da Liberdade, № 110, 7o, 1296-042, Lisboa, Portugal

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Abstract

A cost-effectiveness integrated methodology applied in a water resources management and sanitation project in Minho and Lima's region (Portugal) is presented. First, environmental objectives and programmes of measures (PM) are established and priorities are identified using a cause-effect assessment matrix and a global effectiveness index. Aiming to achieve more demanding goals, some complementary actions are considered, including “decentralized low-energy wastewater treatment plants construction”. A geographic information system was used to select potential implementation sites, and suitable treatment processes for each location are identified. The centralized and decentralized wastewater treatment plants combination is promising, achieving a cost-effectiveness attendance of €1510/equivalent-inhabitant in Minho-Lima river basins.

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Cost-effectiveness analysis for sustainable wastewater engineering and water resources management: a case study at Minho-Lima river basins (Portugal)

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Cost-effectiveness analysis for sustainable wastewater engineering and water resources management: a case study at Minho-Lima river basins (Portugal)

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