Results 71 to 80 of about 17,640 (250)

Preparation and sustainability evaluation of nano zero-valent iron

Gongye shui chuli
Nanoscale zero-valent iron（nZVI） is a kind of widely-concerned environmental remediation material，which expands the application scope of iron-based materials in site remediation and pollutant removal because it has both the reactive activity of nanoscale
HE Chuan, LI Canhua, LI Minghui, DU Gang, ZHANG Yongzhu   +4 more
doaj   +1 more source

Nano-scale Zero Valent Iron (nZVI) Treatment of Marine Sediments Slightly Polluted by Heavy Metals

Chemical Engineering Transactions, 2017
Zero valent iron (ZVI) is an electron donor that is used to reduce or indirectly oxidize several contaminants in soil and groundwater (e.g. halogenated species).
S. De Gisi, D. Minetto, G. Lofrano, G. Libralato, B. Conte, F. Todaro, M. Notarnicola   +6 more
doaj   +1 more source

Application of nanoscale zero valent iron (NZVI) for groundwater remediation in Europe [PDF]

, 2018
Purpose: Nanoscale zero valent iron (NZVI) is emerging as a new option for the treatment of contaminated soil and groundwater targeting mainly chlorinated organic contaminants (e.g., solvents, pesticides) and inorganic anions or metals.
Braun, Jürgen, Bruns, Johannes, Mueller, Nicole, Nowack, Bernd, Rickerby, David, Rissing, Peter, Černík, Miroslav   +6 more
core  

Mineralisation of 2,4-dichlorophenoxyacetic acid by acoustic or hydrodynamic cavitation in conjunction with the advanced Fenton process [PDF]

, 2008
The mineralisation of 2,4-dichlorophenoxyacetic acid (2,4-D) in the presence of zero-valent iron and hydrogen peroxide (the Advanced Fenton process – AFP) whilst being subjected to acoustic or hydrodynamic cavitation is reported.
Bremner, David H., Chakinala, Anand G., Cravotto, Giancarlo, Di Carlo, Stefano   +3 more
core   +3 more sources

Use of nano zero-valent iron to reduce inorganic species electrogenerated during anodic oxidation on boron doped diamond anodes [PDF]

, 2016
In this paper, the solution coming from an anodic oxidation on boron doped diamond of chloride-containing solution is treated with addition of nano zero-valent iron (nZVI) to reduce the amount of chlorinated byproducts into chloride ions.
DI PALMA, Luca, MONACO, MARIKA MICHELA, MONTANARO, DANIELE, PETRUCCI, Elisabetta   +3 more
core   +1 more source

Ecotoxicity of nanoscale zero-valent iron particles – a review

Vigilância Sanitária em Debate: Sociedade, Ciência & Tecnologia, 2013
The use of nanoscale zero-valent iron particles (nZVIs) in the environmental remediation of water and soil is increasing. This increase is related to the higher reactivity and mobility of nZVIs compared with that of macro- or micro-sized iron particles ...
José Tomás Albergaria, Henri P.A. Nouws, Cristina Maria Delerue-Matos   +2 more
doaj   +2 more sources

Continuum-based models and concepts for the transport of nanoparticles in saturated porous media: A state-of-the-science review [PDF]

, 2017
Environmental applications of nanoparticles (NP) increasingly result in widespread NP distribution within porous media where they are subject to various concurrent transport mechanisms including irreversible deposition, attachment/detachment (equilibrium
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Hexavalent chromium reduction in manganese-rich soils by ZVI nanoparticles: the influence of natural organic matter and manganese oxides [PDF]

, 2017
Hexavalent chromium reduction by nano Zero-Valent Iron (nZVI) has been proved fast and efficient, mainly due to nanoparticles large specific surface area and high chemical reactivity. In this work the influence of natural organic matter and manganese
Di Palma, L., Verdone, N., Vilardi, G.
core  

Nanoscale zero-valent iron – Characterization and analytical application [PDF]

, 2017
Nanomaterials have gained the greatest interest over other materials as the adsorbents of analytes such as transition metals and semimetals from complex environmental samples. [1] Utilization of zero-valent iron nanoparticles (nZVI) is widely adopted in analytical preconcentration and extraction procedures due to large surface area, chemical stability,
Nemet, Ivan, Rončević, Sanda
openaire  

Application of CFD in Nanoremediation Problems with Nanoscale Zero-valent Iron Particles

Chemical Engineering Transactions, 2023
TCE (Trichloroethylene) is a chlorinated solvent, known for its toxicity present in many underground water reservoirs and, as it is a less viscous and denser contaminant than water, it reaches the impermeable substrate of the reservoirs, remaining ...
Amanda B. De Almeida, Eliton Fontana, Alex V. L. Machado, Luiz F. L. Luz Junior   +3 more
doaj