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Application of Nanozerovalent Iron for Water Treatment and Soil Remediation: Emerging Nanohybrid Approach and Environmental Implications
Citation:
Aich, N., C. Su, I. Kim, AND A. Masoud. Application of Nanozerovalent Iron for Water Treatment and Soil Remediation: Emerging Nanohybrid Approach and Environmental Implications. 1, Chapter 4, Marta I. Litter, Natalia Quici, Martin Meichtry (ed.), Iron Nanomaterials for Water and Soil Treatment. Taylor & Francis Group, London, Uk, , 65-88, (2018).
Impact/Purpose:
To be submitted to the Book “Iron nanomaterials for water and soil treatment” to be published by Pan Stanford Publishing (Marta I. Litter, editor).
Description:
Nano-zero valent iron (nZVI) due to its high activity towards persistent organic contaminant degradation and heavy metal removal has attracted applications in industrial waste water treatment as well as in situ soil remediation techniques. Enhancement of nZVI’s catalytic activity is pursued by employing different surface modification strategies and most recently conjugating or hybridizing with other carbonaceous or metallic nanomaterials. Nanohybrid formation has multifaceted advantages towards its redox activity increases, electronic property alterations, providing with higher surface area, and better adsorption capabilities. Achievement of multifunctionality through hybridization approach, on the contrary, can bring about uncertainty in understanding the environmental fate, transport, and toxicity of conjugated nZVI due to the alterations of physicochemical properties. This chapter will describe major environmental applications of nZVI and its nanohybrids along with their field and pilot scale testing scenarios. Finally, the chapter will identify the potential environmental risks associated with these novel nanostructures based on their altered/emergent properties.
