Zero-Valent Iron Nanoparticles for Soil and Groundwater Remediation
Open Access
- 10 August 2020
- journal article
- review article
- Published by MDPI AG in International Journal of Environmental Research and Public Health
- Vol. 17 (16), 5817
- https://doi.org/10.3390/ijerph17165817
Abstract
Zero-valent iron has been reported as a successful remediation agent for environmental issues, being extensively used in soil and groundwater remediation. The use of zero-valent nanoparticles have been arisen as a highly effective method due to the high specific surface area of zero-valent nanoparticles. Then, the development of nanosized materials in general, and the improvement of the properties of the nano-iron in particular, has facilitated their application in remediation technologies. As the result, highly efficient and versatile nanomaterials have been obtained. Among the possible nanoparticle systems, the reactivity and availability of zero-valent iron nanoparticles (NZVI) have achieved very interesting and promising results make them particularly attractive for the remediation of subsurface contaminants. In fact, a large number of laboratory and pilot studies have reported the high effectiveness of these NZVI-based technologies for the remediation of groundwater and contaminated soils. Although the results are often based on a limited contaminant target, there is a large gap between the amount of contaminants tested with NZVI at the laboratory level and those remediated at the pilot and field level. In this review, the main zero-valent iron nanoparticles and their remediation capacity are summarized, in addition to the pilot and land scale studies reported until date for each kind of nanomaterials.Keywords
This publication has 131 references indexed in Scilit:
- A two and half-year-performance evaluation of a field test on treatment of source zone tetrachloroethene and its chlorinated daughter products using emulsified zero valent iron nanoparticlesWater Research, 2012
- Nanoscale zero-valent iron: Future prospects for an emerging water treatment technologyJournal of Hazardous Materials, 2011
- Pd–Fe nanoparticles stabilized by chitosan derivatives for perchloroethene dechlorinationEnvironment International, 2011
- Dehalogenation of Polybrominated Diphenyl Ethers and Polychlorinated Biphenyl by Bimetallic, Impregnated, and Nanoscale Zerovalent IronEnvironmental Science & Technology, 2011
- Transport and Deposition of Polymer-Modified Fe0 Nanoparticles in 2-D Heterogeneous Porous Media: Effects of Particle Concentration, Fe0 Content, and CoatingsEnvironmental Science & Technology, 2010
- Mechanism study of nitrate reduction by nano zero valent ironJournal of Hazardous Materials, 2010
- Nanotechnology and in Situ Remediation: A Review of the Benefits and Potential RisksEnvironmental Health Perspectives, 2009
- A method for the preparation of stable dispersion of zero-valent iron nanoparticlesColloids and Surfaces A: Physicochemical and Engineering Aspects, 2007
- Nanoscale iron particles for complete reduction of chlorinated ethenesColloids and Surfaces A: Physicochemical and Engineering Aspects, 2001
- Reductive Dehalogenation of Chlorinated Methanes by Iron MetalEnvironmental Science & Technology, 1994