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Download Nanotechnologies for Environmental Remediation: Applications by Giusy Lofrano, Giovanni Libralato, Jeanette Brown PDF

By Giusy Lofrano, Giovanni Libralato, Jeanette Brown

In this e-book discussing the rules of eco-friendly chemistry and eco-friendly engineering a global crew of investigators current major contemporary advancements in using nanoscience, nanoengineering, and nanotechnology to the world of environmental remediation. the outlet chapters introduce candidate nanomaterials, homes, mechanisms that let the functions, the benefits and boundaries in comparison to present approaches and advertisement study specifications. It then explores the detection and alertness of nanomaterials in photocatalytic tactics and as adsorbents, and in addition covers the impact of nanoparticles within the activated sludge approach. Later chapters specialize in the results of nanoparticles on vegetation, the hazards linked to the presence of nanoparticles within the setting, 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 teachers drawn to the function, hazards and merits of nanotechnology in glossy environmental contexts.

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2014). TiO2 has had a long-standing use as direct application in form of powder into a solution. However, recent studies have also demonstrated as TiO2 photoactivity can be significantly enhanced when used in the nanoparticle form (Han and Bai 2009). At large scale, the application of TiO2 nanoparticles has been limited by the necessity of filtration of the catalyst after the treatment. This particular disadvantage, which results in a high cost, can be overcome by immobilizing TiO2 nanoparticles on various substrates (Ma et al.

2008) Yan et al. (2006) Phosphate ions Bina et al. (2012) Hu et al. (2012) Majewski (2007) Feng et al. (1997), Kelly et al. (2001) Goyal et al. (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.

The great progresses made in the field of membrane synthesis and production has led to the spread of membrane processes for several uses. The wide range of applications of nanofiltration makes these materials very attractive in ground water remediation, surface remediation, water potable treatment, and desalination. The possibility of removing cations, natural organic matter, biological contaminants, organic pollutants, nitrates and arsenic as application in drinking water industry has been already reviewed (Van der Bruggen and Vandecasteele 2003).

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