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Study of the Interaction of Copper Nanoparticles with Titanium in Landfill Soils Layers

2016; Trans Tech Publications; Volume: 869; Linguagem: Inglês

10.4028/www.scientific.net/msf.869.778

1662-9760

Elizabeth Mendes de Oliveira, José Adílson de Castro, Ivaldo L. Ferreira,

Recycling and Waste Management Techniques

The nanotechnology has spread out for every field of the sciences and engineering with applications covering the variety of human and life activities. The TiO 2 nanoparticles are of special interest due to the wide range of applications from cosmetics to paint and new applications have continuously been searched. However, the effect of these particles into the environment need detailed investigation since some deleterious effects on the ecosystems have been observed. Among the nanoparticles found in natural soils the copper plays important role due to their strong interactions with the other materials. In this paper, the influence of nanoparticles of copper (NPCu) in the behavior of NPTiO 2 were investigated. A normalized experimental procedure on the soil column was carried out with soil impregnated by copper nanoparticles and compared with the natural soil. Stable solutions of water and NPTiO 2 were prepared and used to carried out the column percolation experiments with the concentrations of NPTiO 2 measured at the inlet and outlet of the solutions. The results indicated that the TiO 2 nanoparticles can mediate transport of Cu in some soil environments. Suggested that decreases in Cu transport were mainly due to increased desorption.