Acuífero aluvial contaminado por hidrocarburos en la Comunidad de Madrid. Efectos de oxidantes para remediación in situ
- V. Rodríguez 1
- E. Montero 1
- A. Santos 1
- F. Villarroya 1
- A. Romero 1
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1
Universidad Complutense de Madrid
info
ISSN: 1576-5172
Any de publicació: 2016
Títol de l'exemplar: IX CONGRESO GEOLÓGICO DE ESPAÑA
Número: 16
Pàgines: 359-362
Tipus: Article
Altres publicacions en: Geotemas (Madrid)
Resum
In 1992, a gasoline spill occurred at a petrol station in San Fernando de Henares (Madrid), contaminating the soil and groundwater of the detrital alluvial aquifer of the JaramaRiver. Despitethatcurrentlythere is no sign of contamination, the case was chosen as a pilot area for characterization and testing in order to select the most suitable processfor chemical oxidation on the soil types present at the area. The hydrogeological characterization shows that the groundwater flow presents a NNE-SSW direction and water is magnesium-calcium sulfate. Physicochemical tests of solid samples were made and two oxidation processes were analyzed: Fenton and PS. In the case of PS, three methods of activationwereemployed: nZVI, alkali and hydrogen peroxide -this last stabilized or not-. The results indicate that an unproductive consumption of Fenton reactive would occur butthe use of PS as an oxidant shows satisfactory results. Choosing the most suitable activation process requires also compare its effectiveness in removing organic contaminants.