Effect of magnetite nanoparticles on heavy metals behavior in contaminated soils

Pérez Esteban, Javier and Caballero Mejía, Bibiana and Masaguer Rodríguez, Alberto and Moliner Aramendia, Ana María (2016). Effect of magnetite nanoparticles on heavy metals behavior in contaminated soils. In: "VII Congresso Ibérico das Ciências do Solo (CICS 2016) VI Congresso Nacional de Rega e Drenagem", 13/09/2016-15/09/2016, Beja (Portugal). p. 4.

Description

Title: Effect of magnetite nanoparticles on heavy metals behavior in contaminated soils
Author/s:
  • Pérez Esteban, Javier
  • Caballero Mejía, Bibiana
  • Masaguer Rodríguez, Alberto
  • Moliner Aramendia, Ana María
Item Type: Presentation at Congress or Conference (Article)
Event Title: VII Congresso Ibérico das Ciências do Solo (CICS 2016) VI Congresso Nacional de Rega e Drenagem
Event Dates: 13/09/2016-15/09/2016
Event Location: Beja (Portugal)
Title of Book: VII Congresso Ibérico das Ciências do Solo (CICS 2016) VI Congresso Nacional de Rega e Drenagem
Date: 2016
Subjects:
Faculty: E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM)
Department: Producción Agraria
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The extraction and processing of minerals produce significant environmental impacts that last long after mining operations have ended. Abandoned mines provide obvious sources of contamination by metals and arsenic in surrounding areas. These areas typically support sparse vegetation, so weather events, typical of Mediterranean environments such as heavy rains, can drag metals and metalloids, in a more or less available form for vegetation, as in solution and suspension to accumulate in lower lands. In this study, the area affected by a copper mine, abandoned early last century in the Sierra de Madrid, was sampled. Soil properties such as pH, EC, total OM and texture were analyzed. Furthermore, the BCR (Bureau Community of Reference) fractionation of metals was carried out in order to evaluate the weathering of the starting materials and the selective movement of different fractions along the slope . Metals and arsenic were detected beyond the mine limits, in areas where water flows in a preferential way. Results showed high concentrations and readily extractable Cu and As, which may suggest potential bioavailability for organisms and may create an environmental risk and potential human exposure what results in a health risk for the population.

More information

Item ID: 45122
DC Identifier: http://oa.upm.es/45122/
OAI Identifier: oai:oa.upm.es:45122
Deposited by: Memoria Investigacion
Deposited on: 06 Jun 2017 14:47
Last Modified: 06 Jun 2017 14:47
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