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Accueil du site → Master → Pays Bas → 2009 → Contested wastewater treatment in Spain : case study comparing centralized and non-centralized wastewater treatment technologies in Almería

UNESCO-IHE Institute for Water Education, Delft (2009)

Contested wastewater treatment in Spain : case study comparing centralized and non-centralized wastewater treatment technologies in Almería

Patron Coppel, G.

Titre : Contested wastewater treatment in Spain : case study comparing centralized and non-centralized wastewater treatment technologies in Almería

Auteur : Patron Coppel, G.

Université de soutenance : UNESCO-IHE Institute for Water Education, Delft

Grade : Master of Science (MS) 2009

Résumé
Water scarcity and lack of appropriate wastewater treatment are two majorissues affecting the Lower Andarax River area in Almería, Spain. This thesisanalyses the stakeholders, institutions and history of wastewater treatment in thearea. Consequently, the insights gained are used to evaluate the feasibility ofimplementing decentralized wastewater treatment technologies fitted for reuse asa way to mitigate scarcity and the lack of appropriate treatment. A special focusis hereby put on natural treatment systems. The current proposal to build awastewater collector system that would transport all the effluents of the area to acentral conventional treatment plant was reshaped into two different Alternativesthat include the use of such decentralized technologies. With the help of apredictive software called WAWTTAR, and the use of Multi Criteria Analysis(MCA), the two Alternatives were compared against the Base Case (currentproposal). It was determined that Alternative 1, constructing a smaller collector,and in exchange building a pond system in the upper most Municipality of theriver (Santa Fe de Mondújar) was the best solution. Some of the expectedadvantages from implementing this alternative are : a more efficient reuse oftreated effluent in agriculture, a decrease in the retention time in the collectorhence reducing the risk of excessive production of H2S, and a cheaper and lesscomplex operation and maintenance of the collector system.

Sujets  : wastewater treatment systems wastewater treatment plants multi criteria analysis case studies Spain

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