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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Universidad del Zulia
2020
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=605763737005 https://www.redalyc.org/journal/6057/605763737005/ https://www.redalyc.org/journal/6057/605763737005/html/ https://www.redalyc.org/journal/6057/605763737005/605763737005.epub https://www.redalyc.org/journal/6057/605763737005/movil |
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Sommario:
- Study of the leaching potential in a soil and its depuration capacity: perspectives in a landfill selection Jhon Fredy Narvaez Juan José García Francisco Campillo-Machado Anderson A. Rodríguez Alejandro Cardona Diana Patricia Urrea Ingeniería landfill Soil layer leaching processes physicochemical interactions water infiltration potential Many differrent solid wastes are deposited in landfills which may lead to leaching processes with groundwater pollution implications. Complex fractions of organic pollutants may transfer from the soil with multiplex physicochemical interactions which reduce the final soil-borne. In this paper, we study the potential removal of a dye and the potential of water infiltration in each layer of a soil. The results show a removal >98% in the complete profile and in the silty layer (SL) in which more infiltration was found. Therefore, organic fraction in the SL and even more interaction with the aluminum and silicates present, may reduce the dye by physicochemical interaction with log Koc properties. Also, more infiltration in SL indicates a strong interaction between dissolve analytes and soil due to despite a large amount of water cross the silt, low infiltered levels is presented. Finally, pH slightly acid from 4.5 in the sample was increased to 6.7 which indicates basic condition for neutralization, while conductivity was reduced even to values presented in tap water due to ionic exchange capacity by the soil. A preliminary conclusion indicates that removal of the first layer in a landfill reduces the capacity of pollutants removal in soils and, therefore, low physicochemical interactions may lead to the leaching of pollutants to waterbodies. However, further experiments are needed to strengthen this study. 2020 artículo científico 0254-0770 https://www.redalyc.org/articulo.oa?id=605763737005 https://www.redalyc.org/journal/6057/605763737005/ https://www.redalyc.org/journal/6057/605763737005/html/ https://www.redalyc.org/journal/6057/605763737005/605763737005.epub https://www.redalyc.org/journal/6057/605763737005/movil en http://www.redalyc.org/revista.oa?id=6057 Revista Técnica de la Facultad de Ingeniería, Universidad del Zulia application/pdf Universidad del Zulia Revista Técnica de la Facultad de Ingeniería, Universidad del Zulia (República Bolivariana de Venezuela) Num.2 Vol.43