Application of Iron Nanoparticles for the Remediation of Chromium
| Authors | Andrew Kotsyubynsky1, Halyna Hrytsuliak1, Mariia Liaskovska1,2, Vasyl Vytvytskyi1, Oleg Turchyn1, Yulia Kotsyubynska2, Natalia Kozan2, Hanna Ersteniuk2 |
| Affiliations |
1Ivano-Frankivsk National Technical University of Oil and Gas, Ivano-Frankivsk, Ukraine 2Ivano-Frankivsk National Medical University, Ivano-Frankivsk, Ukraine |
| Е-mail | andriy.kotsyubynsky@nung.edu.ua |
| Issue | Volume 18, Year 2026, Number 2 |
| Dates | Received 21 January 2026; revised manuscript received 14 April 2026; published online 29 April 2026 |
| Citation | Andrew Kotsyubynsky, Halyna Hrytsuliak, et al., J. Nano- Electron. Phys. 18 No 2, 02029 (2026) |
| DOI | https://doi.org/10.21272/jnep.18(2).02029 |
| PACS Number(s) | 78.67.Bf, 91.62.Rt |
| Keywords | Magnetite (6) , Chromium reduction, Soil pollution, Zero-valent iron, Nanoreduction. |
| Annotation |
Soil contamination with chromium poses a serious threat to the environment and human health due to its toxicity and persistence. This study evaluates the effectiveness of iron-containing nanoparticles for the remediation of chromium-contaminated soils. Two types of iron nanoparticles synthesized and investigated: nanosized zero-valent iron (nZVI) and nano-magnetite (nFe3O4). Soil samples were mixed with nanoparticles at different doses, homogenized and incubated under controlled conditions for 10, 20, 30, 60 and 90 days. For each sampling time, chromium concentration and its leachability were analyzed. Chemical and phase composition analysis investigated by X-ray diffraction spectroscopy, atomic absorption spectroscopy and X-ray fluorescence analysis. Treatment with both types of iron nanoparticles showed a significant decrease in Cr concentration in aqueous extracts compared to the control samples. The leachability of Cr in the treated soil samples also decreased significantly and remained stable throughout the experiment. The results indicate that nZVI immobilized Cr by adsorption of Cr(VI) on the shell with its reduction to Cr(III). The interaction mechanism between nFe3O4 and Cr(VI) involved both adsorption [1], and reduction, although its reduction capacity was lower than that of nZVI. Analytical methods confirmed the change in soil chemical composition after treatment and separation of iron nanoparticles. This study demonstrates that iron-containing nanoparticles can effectively remediate chromium-contaminated soils under different environmental conditions. |
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List of References |
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