Long-term effect of magnesium and iron nanoparticles on solute transport in saturated condition

A - Papers appearing in refereed journals

Daraei, E., Bayat, H., Zamani, P. and Gregory, A. S. 2021. Long-term effect of magnesium and iron nanoparticles on solute transport in saturated condition. Archives of Agronomy and Soil Science. https://doi.org/10.1080/03650340.2021.1896708

AuthorsDaraei, E., Bayat, H., Zamani, P. and Gregory, A. S.
Abstract

The aim of this study was to investigate the long-term effect of magnesium and iron nanoparticles on solute transport and its parameters, which has not been investigated to date. Different concentrations of two types of nanoparticle metal oxides, MgO and Fe3O4, were mixed with a loamy soil and their effects on solute transport and its parameters after three years were investigated. Nanoparticles improved soil structure through increased macro pores compared to the control, by 2.3% in the 3% concentration of MgO to 15.3% in the 3% concentration of Fe3O4. Immobile water content of the soil decreased from 0.42 in the control to 0.05–0.24 cm3 cm−3 in the treatments. The mass transfer coefficient was decreased from 0.48 in the control to 0.005–0.37 in the nanoparticle treatments. Moreover, nanoparticles increased the breakthrough curve peak concentration and decreased discharge time of chloride in the extract from 0.41 and 88.8 min in the control to 0.62–0.76 and 24.7–87.9 min in the treatments, respectively. The results of this study showed that the nanoparticles affected the solute transport and its parameters in the soil. Therefore, nanoparticles could be used to simplify the nutrients transport and leaching of salt and contaminants.

KeywordsDispersivity; Iron oxide; Nanoparticles; Magnesium oxide nanoparticles; Mass transfer coefficient; Saturated column
Year of Publication2021
JournalArchives of Agronomy and Soil Science
Digital Object Identifier (DOI)https://doi.org/10.1080/03650340.2021.1896708
Web address (URL)https://doi.org/10.1080/03650340.2021.1896708
Open accessPublished as non-open access
FunderBiotechnology and Biological Sciences Research Council
Funder project or codeS2N - Soil to Nutrition - Work package 1 (WP1) - Optimising nutrient flows and pools in the soil-plant-biota system
Output statusPublished
Publication dates
Online18 Mar 2021
Publication process dates
Accepted24 Feb 2021
PublisherTaylor & Francis
ISSN0365-0340

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