Document details

Cost-effectiveness analysis for sustainable wastewater engineering : a case stu...

Author(s): Costa, Sérgio cv logo 1 ; Coutinho, L. cv logo 2 ; Nogueira, R. cv logo 3 ; Brito, A. G. cv logo 4 ; Salas, J. J. cv logo 5 ; Póvoa, C. cv logo 6

Date: 2007

Persistent ID: http://hdl.handle.net/1822/7489

Origin: RepositóriUM - Universidade do Minho

Subject(s): Cost-effectiveness analysis; Decentralized wastewater treatment; Water economic analysis; Water Framework Directive


Description
The present work was focused on a methodological assessment for defining cost-effective measures regarding to wastewater sanitation in rural areas and was carried out within the project AQUA Project – Preliminary Studies for the Water Framework Directive Implementation at the Minho and Lima’s Rivers Basins. In order to assure a good ecological and chemical status in water bodies according to Water Framework Directive, a set of priority and complementary actions combined with a cost-effectiveness analysis was used to select a wastewater treatment strategy to increase public attendance. Using geoprocessing methodologies and geographic information multicriteria analysis (e.g.: soil, land use, topography), locations with high potential for implementation of low-energy wastewater treatment systems were identified and worked out with cost-functions. The results show that a combination of centralized and decentralized plants allow a cost-effectiveness attendance of 1,51 k¤/equivalent inhabitant in Minho and Lima’s river basins. The approach indicates that low-energy wastewater treatment plants are interesting options with a promising cost-effectiveness potential in rural areas.
Document Type Conference Object
Language English
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