Results 51 to 60 of about 6,176 (256)

Electrokinetic Enhanced Transport of Zero Valent Iron Nanoparticles for Chromium(VI) Reduction in Soils

Chemical Engineering Transactions, 2012
Zero valent iron nanoparticles (nZVI) are a promising technology that could provide cost-effective solutions to soil and groundwater remediation. However, transport of nZVI is normally limited by their aggregation and settling, and with mobility being ...
H. Gomes, C. Dias-Ferreira, A.B. Ribeiro, S. Pamucku   +3 more
doaj   +1 more source

Effect of Spatial Distribution of nZVI on the Corrosion of nZVI Composites and Its Subsequent Cr(VI) Removal from Water

Nanomaterials, 2022
There have been many studies on contaminant removal by fresh and aged nanoscale zero-valent iron (nZVI), but the effect of spatial distribution of nZVI on the corrosion behavior of the composite materials and its subsequent Cr(VI) removal remains unclear.
Yixuan Li, Shuangqiu Huang, Yaqin Song, Xinfang Zhang, Sijia Liu, Qiong Du   +5 more
doaj   +1 more source

Transport of Non-Newtonian Suspensions of Highly Concentrated Micro- And Nanoscale Iron Particles in Porous Media: A Modeling Approach [PDF]

, 2010
The use of zerovalent iron micro- and nanoparticles (MZVI and NZVI) for groundwater remediation is hindered by colloidal instability, causing aggregation (for NZVI) and sedimentation (for MZVI) of the particles.
Sethi, Rajandrea, Tosco, Tiziana Anna Elisabetta   +1 more
core   +1 more source

Overcoming challenges in mainstream Anammox applications: Utilization of nanoscale zero valent iron (nZVI)

Science of The Total Environment, 2019
Although Anammox process is a proven technology for sidestream nitrogen removal, the process faces challenges for mainstream applications in sewage treatment plants (STPs). The aim of this study was to investigate the effect of zero valent iron nanoparticles (nZVI) on process performance to eliminate confronts for mainstream applications.
Esra Erdim, Zeynep Yücesoy Özkan, Halil Kurt, Bilge Alpaslan Kocamemi   +3 more
openaire   +3 more sources

A CaH2-Assisted Reduction Method to Prepare Nanoscale Zero-Valent Iron (nZVI) from Fe2O3 for Water Remediation Application

Minerals, 2023
In recent decades, nanoscale zero-valent iron (nZVI) has been extensively studied for application in environmental remediation because it is an eco-friendly, inexpensive nanomaterial with high reactivity.
Yasukazu Kobayashi, Koharu Yamamoto, Ryo Shoji   +2 more
semanticscholar   +1 more source

A facile method to synthesize nZVI-doped polypyrrole-based carbon nanotube for Ag(i) removal

Nanotechnology Reviews, 2023
The pollution of silver ion (Ag(i)) has become a serious environmental threat and hazard to ecosystem and human health. Thus, the nanoscale zero valent iron (nZVI)-doped polypyrrole-based carbon nanotube (nZVI/CNT) composites were synthesized by a facile
Zhang Wen-Juan, Ding Ye-Zhi, Wang Ya-Xian, Wang You-Liang, Fei Yu-Long, Ran Meng-Yu   +5 more
doaj   +1 more source

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

Recent Advances in Conjugated Microporous Polymers for Photocatalysis: Mechanism, Synthesis and Applications

Exploration, EarlyView.
Conjugated microporous polymers (CMPs) have attracted more and more attention as new photocatalysts due to their unique advantages such as high performance, long stability and strong light absorption. This review summarizes the application of CMPs as a photocatalyst in recent years and introduces the catalytic mechanism.
Dun Zhou, Kongqing Zhang, Xiaobai Li, Yongpeng Liu, Liang Yao, Hongwei Ma   +5 more
wiley   +1 more source

Removal of Cd, Cu, Ni, and Pb from Nanoscale Zero-Valent Iron Amended Soil Using 0.1 M Acetic Acid Solution

Environmental and Climate Technologies, 2022
The purpose of the study was to evaluate the possibility of removing heavy metal cations from single-metal spiked soil samples, which were pretreated with nanoscale zero-valent iron (nZVI) particles.
Danila Vaidotas, Januševičius Tomas
doaj   +1 more source

nZVI particles production for the remediation of soil and water polluted by inorganic Lead [PDF]

, 2017
The present study deals with experiments of Pb removal by nano-Zero Valent Iron (nZVI) in aqueous solution and in soil. Synthetic Pb aqueous solutions were treated by nZVI, at a fixed Pb concentration of 100 mg L-1 , varying nanoparticles initial ...
Di Palma, L., Verdone, N., Vilardi, G.
core