Detail publikačního výsledku

Effect of calcium, magnesium, and iron on migration of copper in humic systems

KLUČÁKOVÁ, M.; ENEV, V.

Originální název

Effect of calcium, magnesium, and iron on migration of copper in humic systems

Anglický název

Effect of calcium, magnesium, and iron on migration of copper in humic systems

Druh

Článek Scopus

Originální abstrakt

The mobility of heavy metals in natural soil systems can be affected by the properties and compositions of those systems: the content and quality of organic matter as well as the character of inorganic constituents. In this work, the diffusion of copper(II) ions in humic hydrogels with incorporated calcium(II), magnesium(II), and iron(III) ions was investigated. The methods of instantaneous planar source and of constant source were used. Experimental data yielded the time development of the concentration in hydrogels and the values of effective diffusion coefficients. The coefficients include both the influence of the hydrogel structure and the interaction of diffusing particles with the hydrogel. Our results showed that the presence of natural metal ions such as calcium, magnesium, or iron can strongly affect the diffusivity of copper in humic systems. They indicate that the mobility of copper ions depends on their concentration. The mobility can be supported by higher contents of copper in the system. While the incorporation of Ca and Mg resulted in the decrease in the diffusivity of copper ions, tThe incorporation of Fe(III) into humic hydrogel resulted in an increase in the diffusivity of Cu(II) in the hydrogel in comparison with pure humic hydrogel.

Anglický abstrakt

The mobility of heavy metals in natural soil systems can be affected by the properties and compositions of those systems: the content and quality of organic matter as well as the character of inorganic constituents. In this work, the diffusion of copper(II) ions in humic hydrogels with incorporated calcium(II), magnesium(II), and iron(III) ions was investigated. The methods of instantaneous planar source and of constant source were used. Experimental data yielded the time development of the concentration in hydrogels and the values of effective diffusion coefficients. The coefficients include both the influence of the hydrogel structure and the interaction of diffusing particles with the hydrogel. Our results showed that the presence of natural metal ions such as calcium, magnesium, or iron can strongly affect the diffusivity of copper in humic systems. They indicate that the mobility of copper ions depends on their concentration. The mobility can be supported by higher contents of copper in the system. While the incorporation of Ca and Mg resulted in the decrease in the diffusivity of copper ions, tThe incorporation of Fe(III) into humic hydrogel resulted in an increase in the diffusivity of Cu(II) in the hydrogel in comparison with pure humic hydrogel.

Klíčová slova

humic acid; hydrogel; copper; calcium; magnesium; iron; diffusion; immobilization

Klíčová slova v angličtině

humic acid; hydrogel; copper; calcium; magnesium; iron; diffusion; immobilization

Autoři

KLUČÁKOVÁ, M.; ENEV, V.

Rok RIV

2025

Vydáno

21.08.2024

Nakladatel

Springer

ISSN

0944-1344

Periodikum

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH

Svazek

31

Číslo

1

Stát

Spolková republika Německo

Strany od

52996

Strany do

53007

Strany počet

12

URL

https://link.springer.com/article/10.1007/s11356-024-34758-w

Plný text v Digitální knihovně

http://hdl.handle.net/11012/250194

BibTex

@article{BUT189653,
  author="Martina {Klučáková} and Vojtěch {Enev}",
  title="Effect of calcium, magnesium, and iron on migration of copper in humic systems",
  journal="ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH",
  year="2024",
  volume="31",
  number="1",
  pages="52996--53007",
  doi="10.1007/s11356-024-34758-w",
  issn="0944-1344",
  url="https://link.springer.com/article/10.1007/s11356-024-34758-w"
}

Dokumenty

s11356-024-34758-w