Proyecto de nueva depuradora, de tipo humedal de flujo subsuperficial, en el Concejo de Domaikia, Municipio de Zuya, Alava
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Date
2019-12-20Author
Mendiola Aguirre, Simón
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Resumen: mediante este proyecto, se describe la construcción de una nueva Estación Depuradora de Aguas Residuales E.D.A.R. de tipo humedal de flujo subsuperficial en el municipio alavés de Zuya, en el concejo de Domaikia más concretamente. El primer objetivo de este proyecto es la descripción del sistema actual de saneamiento de aguas residuales, para más adelante estudiar diferentes mejoras posibles y elegir la más conveniente. Laburpena: proiektu honen bitartez Arabako Zuia herrian, Domaikiako kontseiluan hain zuzen, eraikiko den
hondakin uren araztegiaren proiektua deskribatzen da. Proiektu honen lehenengo helburua orain dagoen
ur saneamendu sistemaren deskribapena egitea da, aurrerago hainbat aukera aztertuz konponbiderik
egokiena lortzeko.
Proiektuan zehar jarraitu diren urratsak azaltzen dira memorian. Dokumentu honetan egungo
egoeraren azterketa, proiektuaren xedea eta hainbat azterketa osagarri agertzen dira. Aztertutako
konponbideak hurrengo biak dira: Bitorianora ur zikinak eramatea edota Domaikian bertan araztegi berri
bat eraikitzea. Hainbat baldintza (ekonomikoak, logistikoak, ingurugirokoak…) aztertu ondoren bigarren
konponbidea hautatu da.
Konponbide honetan gaur egun dagoen arazte sistemaren hobekuntza aztertzen da. Horretarako,
tratamendu primariorako arketa berri baten eraikuntza aztertzen da eta batez ere hezegune artifizial
baten sorrera. Hezegune horretan uren tratamendu biologikoa egingo litzateke, hortik ura iada araztuta
ateraz Txikaran errekararte. Aukeratutako konponbide hau bideragarria dela erakusteko, emarien
azterketa gehigarri bat egiten da. Abstract: the aim of this project is to describe the construction of a new wastewater treatment plant, which
works through an artificial wetland at the Basque village of Zuya, at Domaikia more concretely. The first
objective of the project is to describe the current system of wastewater depuration, to later study
different possible improvements and choose the most convenient one.
The steps followed in the project are specified in this report. In this document, among other
issues, the study of the current situation, the object of the project and multiple complementary studies
are gathered. The studied solutions are the following two: the conduction of the residual water until the
council of Vitoriano and the construction of a new wastewater treatment plant in Domaikia. After
analysing multiple factors (economic, logistical, environmental…) it was decided that the latter solution is
the most appropriate.
In this solution, an improvement of the current wastewater treatment system is proposed. For
this purpose, the construction of a new manhole is proposed, in which it can be made the primary
treatment, and specially the construction of an artificial wetland. In this wetland the biological treatment
of the wastewater would be carried out. From there the already clean water will be poured into the
Txikaran stream. To demonstrate the viability of this alternative is viable, a complementary study of the
flows was made.