Application of Stabilized Nano Zero Valent Iron Particles for Immobilization of Available Cd2+, Cu2+, Ni2+, and Pb2+ Ions in Soil

Vasarevičius, Saulius; Danila, Vaidotas; Paliulis, Dainius

doi:10.1007/s41742-019-00187-8

Cited by 22 publications

(9 citation statements)

References 33 publications

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“…The soil pH increased as a result of the high pH of the nZVI suspension (pH close to 11). This observation is in agreement with previous studies which also reported an increase in soil pH after the addition of nZVI 24,26,33,34 . www.nature.com/scientificreports/ However, this increase depends on soil buffering capacity.…”

Section: Impact Of Nzvi On Fe Availabilitysupporting

confidence: 94%

“…In this regard, Li and Zhang 6 also observed poor capacity of lab-made nZVI (5 g/L) to immobilize Ni when other metal ions were present, whereas the removal efficiency increased over 80% in individual experiments with Ni 2+ . Vasarevicius et al 24 treated aqueous solutions spiked with Cd 2+ , Cu 2+ , Ni 2+ and Pb 2+ individually and in combination, and also observed that competition between the metal cations strongly decreased Ni 2+ removal. Li & Zhang 5 previously reported that the effectiveness of nZVI was inversely proportional to Ni concentration.…”

Section: Effectiveness Of Nzvi In Water Samples the Results On The Ementioning

confidence: 99%

“…In addition, the soil had a low content of organic matter and carbonates, characteristics that enhance Cu mobility. In contrast, Vasarevicius et al 24 studied the reduction of the availability of Cd, Cu, Ni and Pb in individually spiked soils or as mixtures, using a dose of 5% of nZVI and over (10, 15 and 30%). The authors noted higher Cu and Ni removal capacity in the case of mixtures of metals and at all the nZVI doses tested.…”

Section: Effectiveness Of Nzvi In Soil Samples the Availability Of Cmentioning

confidence: 99%

“…In addition, the available metal concentration can vary depending on the extraction procedure 3 . Vasarevicius et al 24 used CaCl 2 (0.01 M, 1:10 w:v, 2 h of shaking), whereas we applied TCLP and Tessier fractionation. In general, better immobilization results were achieved in water samples.…”

Section: Effectiveness Of Nzvi In Soil Samples the Availability Of Cmentioning

confidence: 99%

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Effectiveness of nanoscale zero-valent iron for the immobilization of Cu and/or Ni in water and soil samples

Gil-Díaz¹,

Álvarez²,

Alonso³

et al. 2020

Sci Rep

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In the last few years, the effectiveness of nanoscale zero-valent iron (nZVI) as a treatment for polluted waters and soils has been widely studied. However, little data are available on its efficacy for metal immobilization at low and moderate doses. In this study, the effectiveness of two doses of commercial nZVI (1 and 5%) to immobilize Cu and/or Ni in water and acidic soil samples was evaluated. The influence of the nanoremediation technology on iron availability, physico-chemical soil properties and soil phytotoxicity was also assessed. The results show that the effectiveness of nZVI to immobilize Cu and Ni in water and soil samples was determined by the dose of the nanomaterial and the presence of both metals. Nickel immobilization was significantly decreased by the presence of Cu but the opposite effect was not observed. nZVI showed better immobilization capacity in water than in soil samples. In water, the dose of 5% completely removed both metals, whereas at a lower dose (1%) the percentage of immobilized metal decreased, especially for Ni in Cu + Ni samples. In soil samples, 5% nZVI was more effective in immobilizing Ni than Cu, with a 54% and 21% reduction of leachability, respectively, in single contaminated samples. In Cu + Ni soil samples, nZVI treatment led to a significant decrease in Ni immobilization, similar to that observed in water samples. The application of nZVI induced a dose-dependent increase in available Fe—a relevant effect in the context of soil rehabilitation. Germination assays of Medicago sativa and Vicia sativa seeds revealed that treatment with nZVI did not induce phytotoxicity under the experimental conditions tested, and that the phytotoxicity induced by Ni decreased significantly after the treatment. Thus, the use of nZVI emerges as an interesting option for Cu and/or Ni immobilization in water samples. The effectiveness of nZVI to remove Cu from acidic soil samples was moderate, while for Ni it was strongly dependent on the presence of Cu. These observations therefore indicate that the results in water samples cannot be extrapolated to soil samples.

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Section: Impact Of Nzvi On Fe Availabilitysupporting

confidence: 94%

Section: Effectiveness Of Nzvi In Water Samples the Results On The Ementioning

confidence: 99%

Section: Effectiveness Of Nzvi In Soil Samples the Availability Of Cmentioning

confidence: 99%

Section: Effectiveness Of Nzvi In Soil Samples the Availability Of Cmentioning

confidence: 99%

See 2 more Smart Citations

Effectiveness of nanoscale zero-valent iron for the immobilization of Cu and/or Ni in water and soil samples

Gil-Díaz¹,

Álvarez²,

Alonso³

et al. 2020

Sci Rep

View full text Add to dashboard Cite

show abstract

“…They concluded that the average dosages of nZVI could effectively reduce heavy metal contamination in sediments. Vasarevičius et al [24] conducted experimental runs to remove Cd, Cu, Ni, and Pb contamination in spiked soil samples using commercial nZVI particles. They evaluated the remediation levels for single and multiple metals (mixtures of Cu, Ni, Pb and Cd, Cu, Ni, Pb) using different doses (0%, 0.85%, 1.7%, 2.55%, and 5.1% by weight) of nZVI particles.…”

Section: Introductionmentioning

confidence: 99%

Remediation of Lead and Nickel Contaminated Soil Using Nanoscale Zero-Valent Iron (nZVI) Particles Synthesized Using Green Leaves: First Results

et al. 2020

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Nanoscale zero-valent iron (nZVI) particles have proved to be effective in the remediation of chlorinated compounds and heavy metals from contaminated soil. The present study aimed to analyze the performance of nanoparticles synthesized from low-cost biomass (green leaves) as chemical precursors, namely Azadirachta indica (neem) and Mentha longifolia (mint) leaves. These leaves were chosen because huge amounts of them are present in the region of Vellore. These nanoparticles were used to remove lead and nickel from contaminated soil. Characterization of nZVI particles was conducted using the Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM), and Brunauer–Emmett–Teller isotherm (BET) techniques. Remediation was performed on two different soil samples, polluted with lead or nickel at an initial metal concentration around 250 mg/kg of soil. The results revealed that after 30 days, the lead removal efficiency with 0.1 g of nZVI particles/kg of soil was 26.9% by particles synthesized using neem leaves and 62.3% by particles synthesized using mint leaves. Similarly, nickel removal efficiency with 0.1 g of particles/kg of soil was 33.2% and 50.6%, respectively, by particles using neem and mint leaves. When the nanoparticle concentration was doubled, Pb and Ni removal improved, with similar trends obtained at a lower dosage (0.1 g of particles/kg of soil). These first results evidenced that: (1) the nZVI particles synthesized using green leaves had the potential to remove Pb and Ni from contaminated soil; (2) the neem-derived particles gave better Ni removal efficiency than Pb one; (3) the mint-derived particles showed better Pb removal efficiency than Ni one; (4) the highest removal efficiency for both metals was achieved with the mint-derived particles; (5) double higher dosage did not greatly improve the results.

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Purification of Selenium-Contaminated Soils Using the Selenate Reducing Bacterium Stutzerimonas stutzeri NT-I

Otsuka,

Yamashita

2024

Lecture Notes in Civil Engineering

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Application of Stabilized Nano Zero Valent Iron Particles for Immobilization of Available Cd2+, Cu2+, Ni2+, and Pb2+ Ions in Soil

Cited by 22 publications

References 33 publications

Effectiveness of nanoscale zero-valent iron for the immobilization of Cu and/or Ni in water and soil samples

Effectiveness of nanoscale zero-valent iron for the immobilization of Cu and/or Ni in water and soil samples

Remediation of Lead and Nickel Contaminated Soil Using Nanoscale Zero-Valent Iron (nZVI) Particles Synthesized Using Green Leaves: First Results

Purification of Selenium-Contaminated Soils Using the Selenate Reducing Bacterium Stutzerimonas stutzeri NT-I

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