Effect of climatic conditions, season and wastewater quality on contaminant removal efficiency of two experimental constructed wetlands in different regions of Spain
Visualitza/Obre
Article principal (516,6Kb) (Accés restringit)
Sol·licita una còpia a l'autor
Què és aquest botó?
Aquest botó permet demanar una còpia d'un document restringit a l'autor. Es mostra quan:
- Disposem del correu electrònic de l'autor
- El document té una mida inferior a 20 Mb
- Es tracta d'un document d'accés restringit per decisió de l'autor o d'un document d'accés restringit per política de l'editorial
10.1016/j.scitotenv.2012.07.087
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/19767
Tipus de documentArticle
Data publicació2012-10-15
Condicions d'accésAccés restringit per política de l'editorial
Tots els drets reservats. Aquesta obra està protegida pels drets de propietat intel·lectual i
industrial corresponents. Sense perjudici de les exempcions legals existents, queda prohibida la seva
reproducció, distribució, comunicació pública o transformació sense l'autorització del titular dels drets
Abstract
The aim of this study was to examine the effects of climate, season and wastewater quality on contaminant removal efficiency of constructed wetlands implemented in Mediterranean and continental-Mediterranean
climate region of Spain. To this end, two experimental horizontal subsurface flow constructed wetlands located in Barcelona and León (Spain) were compared. The two constructed wetland systems had the same experimental set-up. Each wetland had a surface area of 2.95 m2, a water depth of 25 cm and a granular medium of D60=7.3 mm, and was planted with Phragmites australis. Both systems were designed in order to operate
with a maximum organic loading rate of 6 gDBO m−2 d−1. Experimental systems operated with a hydraulic loading rate of 28.5 and 98 mm d−1 in Barcelona and León, respectively. Total suspended solids, biochemical oxygen demand and ammonium mass removal efficiencies followed seasonal trends, with higher values in the summer (97.4% vs. 97.8%; 97.1% vs. 96.2%; 99.9% vs. 88.9%, in Barcelona and León systems, respectively)
than in the winter (83.5% vs. 74.4%; 73.2% vs. 60.6%; 19% vs. no net removal for ammonium in Barcelona and León systems, respectively). During the cold season, biochemical oxygen demand and ammonium removal were significantly higher in Barcelona system than in León, as a result of higher temperature and redox potential
in Barcelona. During the warm season, statistical differences were observed only for ammonium removal.
Results showed that horizontal subsurface flow constructed wetland is a successful technology for both regions considered, even if winter seemed to be a critical period for ammonium removal in continental climate regions.
CitacióMarianna Garfi' [et al.]. Effect of climatic conditions, season and wastewater quality on contaminant removal efficiency of two experimental constructed wetlands in different regions of Spain. "Science of the total environment", 15 Octubre 2012, vol. 437, p. 61-67.
ISSN0048-9697
Versió de l'editorhttp://www.ncbi.nlm.nih.gov/pubmed/22910037
Fitxers | Descripció | Mida | Format | Visualitza |
---|---|---|---|---|
science_of_the_total.pdf | Article principal | 516,6Kb | Accés restringit |