Water Science and Engineering, 2020 This study aimed to synthesize green tea nano zero-valent iron (GT-NZVI) and bentonite-supported green tea nano zero-valent iron (B-GT-NZVI) nanoparticles using green tea extracts in an environmentally sustainable way.
Ahmed Khudhair Hassan +2 more
doaj +1 more source
Activation process of air stable nanoscale zero-valent iron particles [PDF]
, 2017 Nanoscale Zero Valent Iron (nZVI) represents a promising material for subsurface water remediation technology. However, dry, bare nZVI particles are highly reactive, being pyrophoric when they are in contact with air.
Benito Páramo, José Antonio +4 more
core +2 more sources
Surface coating with Ca(OH)2 for improvement of the transport of nanoscale zero-valent iron (nZVI) in porous media [PDF]
, 2013 A novel thermal deposition method was developed to coat Ca(OH)2 on the surface of nanoscale zero-valent iron (nZVI). The nZVI particles with the Ca(OH)2 coating layer, nZVI/Ca(OH)2, had a clear core-shell structure based on the transmission electron ...
Li, XY, Wei, CJ
core +1 more source
Simultaneous removal of cadmium and nitrate in aqueous media by nanoscale zerovalent iron (nZVI) and Au doped nZVI particles [PDF]
Water Research, 2014 Nanoscale zerovalent iron (nZVI) has demonstrated high efficacy for treating nitrate or cadmium (Cd) contamination, but its efficiency for simultaneous removal of nitrate and Cd has not been investigated. This study evaluated the reactivity of nZVI to the co-contaminants and by-product formation, employed different catalysts to reduce nitrite yield ...
Su, Yiming +7 more
openaire +4 more sources
nZVI Mobility and Transport: Laboratory Test and Numerical Model
Hydrology, 2022 Zerovalent iron nanoparticles (nZVI) are becoming one of the most widely recommended nanomaterials for soil and groundwater remediation. However, when nZVI are injected in the groundwater flow, the behavior (mobility, dispersion, distribution) is practically unknown.
Viotti, P, Sappa, G, Tatti, F, Andrei, F
openaire +2 more sources
Application of zero-valent iron nanoparticles for the removal of aqueous zinc ions under various experimental conditions. [PDF]
PLoS ONE, 2014 Application of zero-valent iron nanoparticles (nZVI) for Zn²⁺ removal and its mechanism were discussed. It demonstrated that the uptake of Zn²⁺ by nZVI was efficient.
Wen Liang +3 more
doaj +1 more source
Yankuang ceshi, 2016 Nanoscale zero-valent iron (nZVI) is a newly developed method for in-situ remediation of groundwater in recent years. To overcome easy oxidation and aggregation, modification on nZVI is widely adopted. In addition, the ubiquitous natural organic matters (
LI Zhi-xiong +4 more
doaj +1 more source
Removal of water pollutants using plant-based nanoscale zero-valent iron: A review
Water Science and Technology, 2023 Nanotechnology has been increasingly explored for the treatment of various waste streams. Among different nanoparticles, nanoscale zerovalent iron (nZVI) has been extensively investigated due to its high reactivity and strong reducing power.
Urvashi Kheskwani, M. Mansoor Ahammed
doaj +1 more source
Synthesis of core-shell nanoparticles for the removal of toxic pollutants in aqueous medium [PDF]
, 2018 In this work two active photo-catalysts were synthetized and tested for the removal of methylene blue and arsenic in aqueous solutions. The two catalysts (Fe3O4/SiO2/TiO2-Al and Fe3O4-SiO2/Zr-TiO2) were characterized by nano-size, guaranteeing a large ...
Cheng, Khley +4 more
core +1 more source
Nanoporous networks as effective stabilisation matrices for nanoscale zero-valent iron and groundwater pollutant removal [PDF]
, 2015 Nanoporous networks exhibit effective stabilisation properties for nanoscale zero-valent iron (nZVI) and nZVI, with its reductive potentials and wide availability, offers degradative remediation of environmental contaminants.
Andersen, Henrik Rasmus +5 more
core +1 more source