Recent advances in nanoscale zero-valent iron-based materials: Characteristics, environmental remediation and challenges

H Tang, J Wang, S Zhang, H Pang, X Wang… - Journal of Cleaner …, 2021 - Elsevier
In this paper, nanoscale zero-valent iron (NZVI), which has great potential in environmental
purification is introduced. However, NZVI is easy to accumulate and oxidize, which limits its …

Recent advances in sulfidated zerovalent iron for contaminant transformation

AN Garcia, Y Zhang, S Ghoshal, F He… - … Science & Technology, 2021 - ACS Publications
2021 marks 10 years since controlled abiotic synthesis of sulfidated nanoscale zerovalent
iron (S-nZVI) for use in site remediation and water treatment emerged as an area of active …

Superior reduction and immobilization of Cr (VI) in soil utilizing sulfide nanoscale zero-valent iron supported by phosphoric acid-modified biochar: Efficiency and …

K Li, W Xu, H Song, F Bi, Y Li, Z Jiang, Y Tao… - Science of the Total …, 2024 - Elsevier
A novel strategy was proposed to remediate Cr (VI)-contaminated soil via phosphoric acid-
modified biochar supported sulfide nanoscale zero-valent iron (SnZVI@ PBC). Results of …

Sulfur loading and speciation control the hydrophobicity, electron transfer, reactivity, and selectivity of sulfidized nanoscale zerovalent iron

J Xu, A Avellan, H Li, X Liu, V Noël, Z Lou… - Advanced …, 2020 - Wiley Online Library
Sulfidized nanoscale zerovalent iron (SNZVI) is a promising material for groundwater
remediation. However, the relationships between sulfur content and speciation and the …

Sulfur-doped zero-valent iron supported on biochar for tetracycline adsorption and removal

Y Meng, X Chen, D Ai, T Wei, Z Fan, B Wang - Journal of Cleaner …, 2022 - Elsevier
Abstract BM-S/ZVI@ BC was further synthesized from common agricultural waste maize
straw and applied to the adsorption of aqueous tetracycline using a simple ball milling …

Enhanced elimination of Cr (VI) from aqueous media by polyethyleneimine modified corn straw biochar supported sulfide nanoscale zero valent iron: Performance …

H Tian, C Huang, P Wang, J Wei, X Li, R Zhang… - Bioresource …, 2023 - Elsevier
A novel polyethyleneimine modified corn straw biochar supported sulfide nanoscale zero-
valent iron (S-nZVI@ PBC) was developed to enhance Cr (VI) removal from aqueous media …

Synergistic effect and mechanism of nZVI/LDH composites adsorption coupled reduction of nitrate in micro-polluted water

Y Pei, W Cheng, R Liu, H Di, Y Jiang, C Zheng… - Journal of Hazardous …, 2024 - Elsevier
In this study, nZVI/LDH composites were prepared by loading nano zero-valent iron (nZVI)
on layered double hydroxide (LDH) surface for adsorption coupled reduction of nitrate (NO 3 …

Reactivity, selectivity, and long-term performance of sulfidized nanoscale zerovalent iron with different properties

J Xu, Y Wang, C Weng, W Bai, Y Jiao… - … science & technology, 2019 - ACS Publications
Sulfidized nanoscale zerovalent iron (SNZVI) has desirable properties for in situ
groundwater remediation. However, there is limited understanding of how the sulfidation …

Iron and sulfur precursors affect crystalline structure, speciation, and reactivity of sulfidized nanoscale zerovalent iron

J Xu, A Avellan, H Li, EA Clark… - … science & technology, 2020 - ACS Publications
The reactivity of sulfidized nanoscale zerovalent iron (SNZVI) is affected by the amount and
species of sulfur in the materials. Here, we assess the impact of the Fe (Fe2+ and Fe3+) and …

Selective removal of Cr (VI) by tannic acid and polyethyleneimine modified zero-valent iron particles with air stability

M Wang, Y Chen, Y Zhang, K Zhao, X Feng - Journal of Hazardous …, 2023 - Elsevier
In this study, a new composite adsorbent for Cr (VI) removal was developed by immobilizing
polyethyleneimine (PEI) on the surface of zero-valent iron (ZVI) particles with tannic acid …