Behavior of Ag nanoparticles in soil: Effects of particle surface coating, aging and sewage sludge amendment - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Environmental Pollution Année : 2013

Behavior of Ag nanoparticles in soil: Effects of particle surface coating, aging and sewage sludge amendment

Annie R. Whitley
  • Fonction : Auteur
Emily Oostveen
  • Fonction : Auteur
Paul M. Bertsch
  • Fonction : Auteur
Chris J. Matocha
  • Fonction : Auteur
Frank von Der Kammer
  • Fonction : Auteur
Jason M. Unrine
  • Fonction : Auteur

Résumé

This study addressed the relative importance of particle coating, sewage sludge amendment, and aging on aggregation and dissolution of manufactured Ag nanoparticles (Ag MNPs) in soil pore water. Ag MNPs with citrate (CIT) or polyvinylpyrrolidone (PVP) coatings were incubated with soil or municipal sewage sludge which was then amended to soil (1% or 3% sludge (w/w)). Pore waters were extracted after 1 week and 2 and 6 months and analyzed for chemical speciation, aggregation state and dissolution. Ag MNP coating had profound effects on aggregation state and partitioning to pore water in the absence of sewage sludge, but pre-incubation with sewage sludge negated these effects. This suggests that Ag MNP coating does not need to be taken into account to understand fate of AgMNPs applied to soil through biosolids amendment. Aging of soil also had profound effects that depended on Ag MNP coating and sludge amendment. (C) 2013 Elsevier Ltd. All rights reserved.

Dates et versions

hal-01426277 , version 1 (04-01-2017)

Identifiants

Citer

Annie R. Whitley, Clément Levard, Emily Oostveen, Paul M. Bertsch, Chris J. Matocha, et al.. Behavior of Ag nanoparticles in soil: Effects of particle surface coating, aging and sewage sludge amendment. Environmental Pollution, 2013, 182, pp.141-149. ⟨10.1016/j.envpol.2013.06.027⟩. ⟨hal-01426277⟩
103 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More