Characterization of nanoscale iron for groundwater remediation

TL;DRAbstract

The aim of this study is the characterization of nanoscale zero-valent iron (NZVI), used for the remediation of contaminated groundwater. This is one of the most prominent applications of nanotechnology in environmental field. Compared to the commonly used granular zero-valent iron, nanoscale zerovalent iron (NZVI) particles show a larger surface areas that leads to higher reactivity towards a wider variety of environmental contaminants. Moreover, due to the small diameters of the particles (1-100 nm) they can be injected in the subsurface as a colloidal suspension, thus providing great flexibility for in situ applications. We performed laboratory analysis on RNIP-10AP-SDS, a nanoscale iron slurry produced by Toda Kogyo Corp. We investigated chemical and physical properties either on dispersion or on its single phases (dispersed phase constituted by nanoscale iron particles and dispersing medium constituted by water solution with a biodegradable polymer). The dispersion was analyzed to

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