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Read e-book online Nanotechnologies for Environmental Remediation: Applications PDF

By Giusy Lofrano, Giovanni Libralato, Jeanette Brown

ISBN-10: 3319531611

ISBN-13: 9783319531618

ISBN-10: 331953162X

ISBN-13: 9783319531625

In this publication discussing the rules of eco-friendly chemistry and eco-friendly engineering a global group of investigators current major contemporary advancements in utilizing nanoscience, nanoengineering, and nanotechnology to the world of environmental remediation. the hole chapters introduce candidate nanomaterials, homes, mechanisms that permit the functions, the benefits and boundaries in comparison to present strategies and advertisement examine necessities. It then explores the detection and alertness of nanomaterials in photocatalytic approaches and as adsorbents, and in addition covers the impression of nanoparticles within the activated sludge procedure. Later chapters specialise in the consequences of nanoparticles on plants, the hazards linked to the presence of nanoparticles within the surroundings, and finally the environmental results of nanoscale zero-valent iron (nZVI) on land remediation.

This well timed, multi-author contributed quantity is aimed toward scholars, technicians, and lecturers drawn to the function, dangers and merits of nanotechnology in smooth environmental contexts.

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Other of nanostructured membranes are also possible. It is the case of nanostructured thermotropic liquid-crystal (LC) materials that can be synthetized (often in situ) by photopolymerization of a LC monomer (Henmi et al. 2012). Nanostructured LCs can form aligned and self-organized pathways for permeation on nanometer scale (Kato 2002; Sakai et al. 2006; Gin et al. 2006; Zhou et al. 2007a; Kato 2010; Ichikawa et al. 2011). They are on the good way to represent valid candidates for the construction of new water treatment membranes with ordered nanostructures.

2011) Chen et al. (1999), Yantasee et al. (2007), Fryxell et al. (2007) Chouyyok et al. (2010) Phosphate ions Singh and Singhal (2013) Methylene blue and heavy metal ions Functionalized iron oxide magnetic nanomaterials Chromium – magMCM-41, Fe3+magMCM-41 – maghemite nanoparticles Chromium – Mesoporous SiO2 Chromium Heavy metal ions – Poly-l-cysteine coated Fe2O3 MNPs Heavy metal ions – Humic acid coated Fe3O4 nanoparticles (Fe3O4/ HA) – Bionanocomposite for Inorganic particles magnetic removal Zeolites Toluene Nitrogen dioxide Zero-valent iron nanoparticles Heavy metal ions (nZVI) Nitrobenzene PCBs Chen and He (2008) Chen et al.

Its high functional density and the surface area (up to 1000 m2/g) make this sorbent material characterized by a really fast kinetics, high sorption capacity and excellent selectivity (Chen et al. 1999). Functional groups are introduced to the pore surface of mesoporous silica as the terminal groups of organic monolayers to selectively bind targeted molecules while the pore size, monolayer length, and density can be adjusted to give the material specific diffusive and kinetic properties (Feng 1997).

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Nanotechnologies for Environmental Remediation: Applications and Implications by Giusy Lofrano, Giovanni Libralato, Jeanette Brown

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