We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Sulfidated Nanoscale Zero-Valent Iron (S-nZVI) Facilitates Remediation and Safe Crop Production in Cr(VI) and Microplastics Co-contaminated Soil
ClearHow Do Micro‐ and Nanoplastics (MNPs) Affect Contaminant Removal by Nano Zero‐Valent Iron (nZVI) in Water and Soil?: A Review
This review examines how microplastics and nanoplastics interfere with nano zero-valent iron (nZVI), a widely used material for cleaning up contaminated groundwater and soil, finding that plastic particles typically reduce nZVI's effectiveness by clogging reactive sites and causing premature aging. The finding matters because it suggests that microplastic contamination at remediation sites could undermine cleanup efforts for other pollutants like heavy metals and organic compounds, requiring modified iron formulations (such as sulfidated nZVI) to maintain performance.
Remediation of Micropalstic-heavy Metal Cocontaminated Soils Using Nanoscale Zero-valent Iron Supported on Palygorskite: Mechanisms and Effectiveness
Researchers developed a remediation approach for soils co-contaminated with microplastics and heavy metals using nanoscale zero-valent iron supported on palygorskite. The composite material effectively inhibited microplastic migration in soil and reduced heavy metal mobility, with the microplastic content in deeper soil layers remaining at only about 8% of initial levels after treatment.
Remediation of Cr(VI)-Contaminated Soil by Nano-Zero-Valent Iron in Combination with Biochar or Humic Acid and the Consequences for Plant Performance
Researchers tested nano-scale zero-valent iron combined with biochar or humic acid to remediate chromium(VI)-contaminated soil, finding that combinations outperformed bare nano-iron alone and that biochar amendments improved plant growth and reduced chromium uptake.
Environmental remediation approaches by nanoscale zero valent iron (nZVI) based on its reductivity: a review
This review covers how nanoscale zero-valent iron particles can be used to clean up contaminated wastewater through chemical reduction of pollutants like heavy metals and organic compounds. While not directly about microplastics, these remediation technologies are relevant because they represent advanced approaches to treating the kinds of contaminated water that often also contains microplastic pollution.
Carboxymethylcellulose-modified nano-zero-valent iron (C-nZVI) promotes ryegrass phytoremediation of cadmium in sediments co-contaminated with multiple microplastics: Mechanisms revealed by PLS-PM
A study found that applying carboxymethylcellulose-modified nano-zero-valent iron (C-nZVI) to soils co-contaminated with cadmium and six types of microplastics significantly boosted ryegrass growth and cadmium uptake while stabilising the metal in a less bioavailable form in the sediment. The results suggest C-nZVI could help rehabilitate agricultural soils facing the increasingly common problem of simultaneous microplastic and heavy-metal pollution.
Fabrication of a carbon cloth-based FeS nanosystem for simultaneous removal of Cr(VI) and microplastics
Researchers fabricated a carbon cloth-based iron sulfide (FeS) nanosystem capable of simultaneously removing hexavalent chromium and microplastics from water, addressing the challenge of combined heavy metal and plastic pollution from industrial and agricultural sources.
The influence of various microplastics on PBDEs contaminated soil remediation by nZVI and sulfide-nZVI: Impedance, electron-accepting/-donating capacity and aging
PVC, PS, and PP microplastics in contaminated soil inhibited the degradation of the brominated flame retardant BDE209 by nano-zero-valent iron and sulfided nZVI to varying degrees, with inhibition linked to microplastic impedance and electron-accepting capacity, while microplastics themselves showed aging and fragmentation during the remediation process.
Driving synergistic Fe-N-Plastic co-metabolism and functional microbial symbiosis via nZVI@RA for enhanced decontamination in constructed wetlands
Researchers developed a recycled aggregate-supported nano-zero valent iron material (nZVI@RA) and demonstrated that it profoundly reshapes microbial communities in constructed wetlands to enhance synergistic iron, nitrogen, and nanoplastic co-metabolism, improving simultaneous decontamination performance.
Improved Cadmium Removal Induced by Interaction of Nanoscale Zero-Valent Iron and Microplastics Debris
Researchers investigated how PVC microplastics interact with nanoscale zero-valent iron used to remove cadmium from contaminated water. The presence of microplastics actually enhanced cadmium removal, likely due to adsorption on the plastic surface. These findings are relevant because PVC production uses cadmium compounds, meaning both pollutants may co-occur in real environments.
Heavy metal remediation by nano zero-valent iron in the presence of microplastics in groundwater: Inhibition and induced promotion on aging effects
Researchers found that microplastics in groundwater significantly influenced the performance of nano zero-valent iron used for heavy metal remediation, with some microplastic types inhibiting and others promoting the aging and reactivity of the nanomaterial depending on polymer type and concentration.
Mini review on the application research of nanoscale zero valent iron in water treatment
This mini-review covers nanoscale zero valent iron (nZVI) particles as tools for environmental pollution control, capable of adsorbing and chemically reducing heavy metals and organic contaminants in water. These nanomaterials are also being explored for microplastic removal and the breakdown of plastic-associated chemical pollutants in water treatment.
Deciphering theRole of Heavy Metals in Zero-ValentIron-Driven Dechlorination of PVC Microplastics under Mild Condition
Researchers demonstrated that nanoscale zerovalent iron can effectively dechlorinate PVC microplastics under mild anaerobic conditions, with heavy metals playing a critical modulating role — nickel and copper promoted dechlorination while chromium significantly inhibited it. The dechlorination efficiency ranking of Ni > Cu > Co > Cr reflects differences in electron transfer promotion and active iron phase formation.
Recent Advances in Nanoscale Zero-Valent Iron (nZVI)-Based Advanced Oxidation Processes (AOPs): Applications, Mechanisms, and Future Prospects
This review covers how tiny iron particles called nanoscale zero-valent iron (nZVI) can be used to break down organic pollutants in water through advanced chemical reactions. These methods show promise for cleaning up contaminated environments, including water sources affected by plastic-related and other industrial pollutants. The technology is cost-effective and environmentally friendly, though challenges remain in scaling it up.
Insight into the interactions between microplastics and heavy metals in agricultural soil solution: adsorption performance influenced by microplastic types
Environmental-simulating microplastics (aged under environmental conditions) showed higher cadmium and chromium adsorption capacity than commercial microplastics in agricultural soil solutions, with surface oxidation increasing adsorption—suggesting that aged microplastics are more effective co-transporters of heavy metals in contaminated agricultural soils.
The Effect of Microplastics-Plants on the Bioavailability of Copper and Zinc in the Soil of a Sewage Irrigation Area
Researchers examined how different concentrations of microplastics affect the bioavailability of copper and zinc in sewage-irrigated soils, finding that microplastics can alter heavy metal mobility and plant uptake, with implications for food safety in contaminated agricultural areas.
Capture-reduction mechanism for promoting Cr(VI) removal by sulfidated microscale zerovalent iron/sulfur-doped graphene-like biochar composite
Researchers developed a sulfidated zerovalent iron composite with sulfur-doped biochar that enhanced chromium removal from water through a capture-reduction mechanism, overcoming the oxide passivation problem that limits conventional iron-based remediation.
Microbial iron mining: a nature-based solution for pollution removal and resource recovery from contaminated soils
Researchers reviewed microbial iron mining as a nature-based solution for removing pollution and recovering resources from contaminated soils. The study examines how iron-cycling microorganisms can remediate soils containing various pollutants including microplastics, offering a transformative approach aligned with UN ecosystem restoration goals.
Nano-Iron Oxide (Fe3O4) Mitigates the Effects of Microplastics on a Ryegrass Soil–Microbe–Plant System
This study tested whether nano-iron oxide particles could reduce the harmful effects of microplastics on ryegrass, soil health, and soil microbes. The researchers found that adding nano-iron oxide alongside microplastic-contaminated soil helped restore plant growth and beneficial microbial activity. This suggests that certain nanomaterials could potentially be used to counteract microplastic damage in agricultural soils where our food is grown.
Distinctive adsorption and desorption behaviors of temporal and post-treatment heavy metals by iron nanoparticles in the presence of microplastics
Microplastics inhibited adsorption of most heavy metals by nano-zero-valent iron and facilitated their desorption during post-treatment, with the effect primarily affecting metals binding through surface complexation or electrostatic interaction rather than metals involved in redox reactions, providing insights for improved contaminated site remediation.
Modified nano zero-valent iron reduce toxicity of polystyrene microplastics to ryegrass (Lolium Perenne L.)
Researchers found that modified nano zero-valent iron particles can reduce the harmful effects of polystyrene microplastics on ryegrass growth. The microplastics alone caused significant declines in shoot weight and root length, but adding sulfidated or cellulose-modified iron nanoparticles to the soil helped alleviate these toxic effects. The study suggests that engineered nanomaterials could serve as a potential remediation strategy for microplastic-contaminated soils.
Iron minerals: A frontline barrier against combined toxicity of microplastics and arsenic
Researchers investigated the interactions between microplastics, arsenic, and the iron mineral goethite in soil and their combined effects on wheat germination. They found that while microplastics reduced arsenic accumulation in wheat, the combination of both contaminants still impaired plant growth. The study suggests that goethite can serve as a frontline barrier that mitigates the combined toxicity of microplastics and arsenic in contaminated soils.
Synergetic Interactions of Nanoscale Zero-Valent Iron (nZVI) and Anaerobic Bacteria in Groundwater Remediation: A Review
This review examines how combinations of zero-valent iron nanoparticles and anaerobic bacteria can work together to break down halogenated organic compounds and heavy metals that contaminate groundwater from industrial activities. This synergistic bioremediation approach offers promise as a more effective and cost-efficient alternative to conventional groundwater cleanup methods.
Deciphering the Role of Heavy Metals in Zero-Valent Iron-Driven Dechlorination of PVC Microplastics under Mild Condition
Researchers demonstrated that nanoscale zerovalent iron facilitates aging and dechlorination of PVC microplastics under mild anaerobic conditions, with heavy metals modulating efficiency — nickel and copper promoted dechlorination through electron transfer enhancement while chromium inhibited the process. The dechlorination efficiency followed a ranking of Ni > Cu > Co > Cr based on their distinct effects on active iron phase formation.
Iron scrap derived nano zero-valent iron/biochar activated persulfate for p-arsanilic acid decontamination with coexisting microplastics
A biochar-loaded nano zero-valent iron material derived from iron scrap effectively degraded p-arsanilic acid via persulfate activation, and the study also examined how co-existing microplastics modified the removal efficiency of this organoarsenic pollutant.